Magulu a Magawo

Bodi yonyamulira ya IC PCB

1. Kodi mungadziwe bwanji kuchuluka kwa zigawo za PCB yonyamula ya IC?

Dziwani kutengera kuchuluka kwa ma siginolo, zosowa za gawo lamagetsi, ndi zofunikira pa umphumphu wa ma siginolo. Ma siginolo ambiri othamanga kwambiri amafunikira zigawo zina zamkati kuti ateteze, mwachitsanzo, zonyamulira ma processor oyenda nthawi zambiri zimagwiritsa ntchito zigawo 8-10.
2. Kodi mungapange bwanji kukula kwa chonyamulira cha IC?

Kapangidwe kogwirizana ndi kukula kwa chip, kapangidwe ka zigawo zina, ndi malo oyika. Mwachitsanzo, zonyamulira mawotchi anzeru zimafuna kuchepetsedwa pang'ono.
3. Kodi mungasankhe bwanji zipangizo za PCB yonyamula IC?

Gwiritsani ntchito zipangizo zomwe sizimagwiritsa ntchito magetsi ambiri (monga Rogers) pakugwiritsa ntchito mwachangu komanso FR-4 pakugwiritsa ntchito nthawi zonse. Gwirizanitsani kuchuluka kwa kutentha ndi chip.
4. Kodi mungapange bwanji njira yoyendetsera galimoto yonyamula ma IC?

Tsatirani mfundo za umphumphu wa chizindikiro: sungani zizindikiro zothamanga kwambiri kukhala zazifupi komanso zowongoka, onetsetsani kuti ma differential pairs ndi ofanana kutalika ndi kufanana pa mtunda. Mwachitsanzo, ma PCIe interfaces amafunika kuwongolera kwambiri kutalika ndi mtunda.
5. Kodi mungapange bwanji gawo lamagetsi la chonyamulira cha IC?

Konzani ma power plane ofanana ndipo patulani ma power domain osiyanasiyana panthawi yogawa kuti mupewe kukambirana pakati pa magetsi a digito ndi analogi.
6. Kodi mungapange bwanji maziko a chonyamulira cha IC?

Konzani malo otsetsereka okhala ndi impedance yochepa, onjezerani mphete zotetezera zizindikiro zomveka bwino, ndipo gwiritsani ntchito malo otsetsereka okhala ndi mfundo zambiri pa ma RF circuits.
7. Kodi mungapange bwanji ma vias a chonyamulira cha IC?

Kukula kwa Via kumatsimikiziridwa ndi mphamvu yamagetsi ndi ma frequency. Gwiritsani ntchito ma via ang'onoang'ono (monga, ＜0.3mm pazizindikiro zopitilira 10GHz) pazizindikiro zothamanga kwambiri kuti muchepetse magawo a parasitic.
8. Kodi mungapange bwanji ma CD a BGA a chonyamulira cha IC?

Gwirizanitsani bwino kukula kwa ma pad ndi malo olumikizirana, konzani njira yolumikizirana ndi kutentha komwe kumataya mu BGA, ndikuwonjezera kutentha kudzera pa array pansi pa BGA.
9. Kodi mungapange bwanji malo oyesera a chonyamulira cha IC?

Malo oyesera ayenera kukhala osavuta kugwiritsa ntchito pa zipangizo, ndipo ayenera kuyikidwa pa ma key signal nodes ndi ma power pin kuti akwaniritse zofunikira zoyesera.
10. Kodi mungapange bwanji chophimba cha silika cha chonyamulira cha IC?

Chophimba cha silika chiyenera kuonetsa bwino zilembo za zigawo, polarity, ndi zina zotero, ndipo chiyikidwe m'malo opanda kanthu kutali ndi malo olumikizirana.
11. Kodi mungapange bwanji mawonekedwe a chonyamulira cha IC?

Sinthani mawonekedwe (monga amakona anayi/osakhazikika) malinga ndi kapangidwe ka zida ndi zofunikira pakukhazikitsa kuti muwonetsetse kuti zikugwirizana ndi zida zina, monga zonyamulira ma laputopu.
12. Kodi mungapange bwanji zolekerera za chonyamulira cha IC?

Ikani zolekerera (monga, ± 0.05mm pa mulifupi wa mzere) kutengera njira zopangira kuti zitsimikizire kulumikizana kwa pakati pa zigawo ndi kulondola kwa kukhazikitsa kwa zigawo.
13. Kodi mungapange bwanji kapangidwe ka kutentha kwa chonyamulira cha IC?

Gwiritsani ntchito masinki otenthetsera, ma vias, kapena zitsulo kuti mupeze ma chip amphamvu kwambiri. Mwachitsanzo, zonyamulira za CPU zimathandizira kufalikira kwa kutentha kudzera m'mizere yayikulu yamkuwa ndi ma vias.
14. Kodi mungapange bwanji zotchingira zamagetsi za chonyamulira cha IC?

Gwiritsani ntchito zophimba zitsulo kapena zigawo zotetezera pamwamba kuti mutseke ma circuits osavuta kumva (monga ma RF modules).
15. Kodi mungapange bwanji kudalirika kwa chonyamulira cha IC?

Ganizirani bwino zinthu, njira yoyendetsera zinthu, ndi kapangidwe ka kutentha. Gwiritsani ntchito zinthu zapamwamba kwambiri ndikuchepetsa kuchuluka kwa kupsinjika.
16. Kodi mungapange bwanji njira yopangira chonyamulira cha IC?

Kapangidwe kake kuti kakwaniritse luso la ntchito (monga, kukula kwa mzere/kutalika kwa mzere) kuti zinthu zikhale zosavuta kupanga.
17. Kodi mungapange bwanji kuti chonyamulira cha IC chiyesedwe?

Phatikizani malo okwanira oyesera ndi malo olumikizirana (monga JTAG) kuti muyesere kupanga ndi kuzindikira zolakwika.
18. Kodi mungapange bwanji kuti chonyamulira cha IC chikhale cholimba?

Konzani zigawo kuti zikhale zosavuta kuzisintha, ndikuyika zigawo zosatetezeka pamalo osavuta kufikako.
19. Kodi mungapange bwanji kuti chonyamulira cha IC chikhale chokwera mtengo?

Konzani mtengo mwa kuwongolera kuchuluka kwa zigawo, kukula, ndikusankha zipangizo ndi njira zoyenera malinga ndi zofunikira pakugwira ntchito.
20. Kodi mungapange bwanji njira yotetezera chilengedwe cha chonyamulira cha IC?

Gwiritsani ntchito soldering yopanda lead komanso zinthu zosawononga chilengedwe kuti mutsatire miyezo ya RoHS.
21. Kodi njira yoyambira yopangira ma PCB onyamula ma IC ndi yotani?

Njirazi zikuphatikizapo kudula zinthu, kuboola, kuika mkuwa, kuyika ma electroplating, kupanga ma circuit, kuphimba ma solder, kuwunikira silika, ndi kukonza pamwamba.
22. Kodi ndi zipangizo ziti zomwe zimagwiritsidwa ntchito popanga zinthu?

Zipangizozi zikuphatikizapo ma laminate okhala ndi mkuwa (FR-4, zipangizo zama frequency apamwamba), zojambula zamkuwa, inki zotchingira solder/silika, ndi zipangizo zochizira pamwamba (golide/tin plating, OSP).
23. Kodi mungatsimikizire bwanji kuti kubowola ndi kolondola?

Gwiritsani ntchito zida zolondola kwambiri, sungani zobowolera nthawi zonse, wongolerani liwiro/kuchuluka kwa chakudya, ndipo gwiritsani ntchito mapini oikira kuti musunge kupotoka ≤±0.05mm.
24. Kodi mungatani kuti musunge mkuwa?

Gwiritsani ntchito pulasitala yopanda ma electroless kuti muyike mkuwa woonda wa 0.2-0.5μm pakhoma la dzenje, zomwe zimapangitsa kuti makoma osayendetsa magetsi azikhala oyendetsera magetsi.
25. Kodi mungayang'anire bwanji makulidwe a electroplating?

Yang'anirani bwino kuchuluka kwa mphamvu yamagetsi, nthawi, kapangidwe kake ka yankho lopangira/kutentha. Mwachitsanzo, kupangira kwa mkuwa kwa 18-35μm kumachitika posintha magawo.
26. Kodi mungapange bwanji ma trace a circuit?

Gwiritsani ntchito photolithography kusamutsa mapangidwe, kutsatiridwa ndi chitukuko ndi kukongoletsa. M'lifupi mwa mzere wocheperako ukhoza kufika 0.075mm.
27. Kodi mungatsimikizire bwanji kuti chigoba chosokera chili bwino?

Gwiritsani ntchito inki yapamwamba kwambiri, wongolerani makulidwe/kufanana kwa chophimba, konzani mawonekedwe/kuyeretsa. Kukhuthala kwa filimu 25-40μm, yopanda thovu/bowo.
28. Kodi mungatani kuti muyeretse silika?

Gwiritsani ntchito kusindikiza pazenera kuti muwongolere makulidwe a inki (10-20μm) ndi kulondola kwake, kuonetsetsa kuti zilembo zake ndi zomveka bwino komanso malo ake ndi olondola.
29. Kodi mungasankhe bwanji njira zochizira pamwamba?

Sankhani HASL kuti ikhale yolimba komanso ENIG kuti ikhale yosalala, kutengera zomwe zimagwiritsidwa ntchito.
30. Kodi ndi zolakwika ziti zomwe zimachitika kawirikawiri popanga zinthu?

Ma circuit afupiafupi, ma circuit otseguka, ma trace otsegula, zolakwika za solder mask, chinsalu cha silika chosawoneka bwino, makoma obowoka, delamination, ndi zina zotero.
31. Kodi mungayang'anire bwanji ubwino?

Gwiritsani ntchito AOI, X-ray, flying probe testing, ndi ICT kuti muwone kulimba kwa circuit, ubwino wa soldering, ndi momwe magetsi amagwirira ntchito.
32. Kodi mungakonze bwanji zolakwika?

Gwiritsani ntchito micro-etching kuti muchotse mkuwa wochuluka pa kabudula, mawaya a jumper otsegulira, ndi kukonza komweko ngati pali zolakwika pa chigoba cha solder. Yang'ananinso mukamaliza kukonza.
33. Kodi nthawi yopangira zinthu nthawi zambiri imakhala yotani?

Masiku 3-7 kwa onyamula katundu wamba, masiku 10-15 kwa ovuta, ndi masiku 1-3 kwa oda zachangu (ndi ndalama zambiri).
34. Kodi mungachepetse bwanji ndalama zopangira zinthu?

Konzani kapangidwe kake kuti muchepetse kuchuluka/kukula kwa zigawo, sankhani zipangizo/njira zotsika mtengo, ndikuwonjezera phindu.
35. Kodi kupanga zinthu kumakhudza bwanji chilengedwe?

Amapanga madzi otayira, mpweya wotulutsa utsi, ndi zinyalala zokhala ndi zitsulo zolemera, zomwe zimafuna kukonzedwa kuti zikwaniritse miyezo yotulutsira madzi.
36. Kodi mungawongolere bwanji kuchuluka kwa zochita zokha?

Gwiritsani ntchito zida zonyamula/kutsitsa zinthu zokha, zowunikira silika, ndi zowunikira kuti muwongolere magwiridwe antchito komanso kusinthasintha kwa khalidwe.
37. Ndi zipangizo ziti zomwe zimagwiritsidwa ntchito popanga zinthu?

Makina obowola, mipiringidzo ya mkuwa/electroplating, makina owonetsera zinthu, makina odulira, zosindikizira za chigoba/zosindikizira za silika, kukonza pamwamba, ndi zida zowunikira.
38. Kodi zipangizo zopangira zinthu zingasamalidwe bwanji?

Yeretsani nthawi zonse, samalirani, sinthani zida zosweka, ndikulinganiza magawo kuti muwonetsetse kuti zida zikugwira ntchito bwino.
39. Kodi mungakonze bwanji magawo a ndondomeko?

Konzani bwino magawo obowolera, kuyika ma electroplating, kuyika ma etching, ndi zina zotero, kudzera mu kusanthula koyesera—monga, kuwongolera kufanana kwa ma plating kuti muwonjezere ubwino ndi magwiridwe antchito.
40. Kodi tingatsimikizire bwanji kuti kupanga zinthu kumagwirizana?

Gwiritsani ntchito njira zokhazikika, kuwongolera ubwino wa zinthu zopangira, kuwongolera zida, ndikuphunzitsa ogwira ntchito kuti atsimikizire kuti zinthuzo zikugwirizana.
41. Kodi tingayese bwanji magwiridwe antchito amagetsi?

Gwiritsani ntchito ma multimeter, ma oscilloscope, ndi ma network analyzer kuti muyese kupitiriza, impedance, ndi makhalidwe a ma signal transmission.
42. Kodi tingawunikire bwanji umphumphu wa chizindikiro?

Gwiritsani ntchito chithunzi cha maso, kuwunikira, ndi mayeso okambirana kuti mufufuze kusokonekera. Kutsegula chithunzi cha maso kuyenera kukwaniritsa miyezo.
43. Kodi tingawongolere bwanji umphumphu wa mphamvu?

Konzani maukonde ogawa magetsi, onjezerani ma capacitor olekanitsa magetsi, chepetsani kukana/kutuluka kwa magetsi mkati, ndikuchepetsa phokoso—monga, ikani ma capacitor amtengo wapatali pafupi ndi ma chip pins.
44. Kodi tingayese bwanji momwe RF imagwirira ntchito?

Gwiritsani ntchito ma vector network analyzers kuti muyesere kutayika kwa insertion, kutayika kobwerera, kudzipatula, ndi zina zotero, kuti muwonetsetse kuti chizindikiro cha RF chikufalikira bwino.
45. Kodi tingawunikire bwanji momwe kutentha kumagwirira ntchito?

Gwiritsani ntchito zithunzi za kutentha kuti muyese kufalikira kwa kutentha ndikuwerengera kukana kutentha. Kutentha kwa pamwamba pa chip kuyenera kukhala mkati mwa malire ovoteledwa.
46. Kodi tingawongolere bwanji luso loletsa kusokoneza zinthu?

Gwiritsani ntchito zotchingira, zosefera, ndi njira yoyenera—monga, siyanitsani malo a digito/analog ndikuwonjezera zotchingira ku zizindikiro zobisika.
47. Kodi tingayese bwanji kudalirika?

Chitani mayeso okalamba kutentha kwambiri (monga 85℃), kutentha kwa thupi, chinyezi, ndi kugwedezeka kuti muwone ngati chilengedwe chikugwirizana ndi kusintha kwa kutentha.
48. Kodi tingawunikire bwanji moyo wautumiki?

Loserani za moyo wautumiki kudzera mu kuyesa kwa moyo wofulumira komanso kuyerekezera kwa Arrhenius equation.
49. Kodi mungakonze bwanji kugwirizana kwa maginito ndi maginito (EMC)?

Konzani bwino malo okhazikika, oteteza, ndi osefa kuti muwongolere kuwala kwa chizindikiro ndi kusokonezeka kwa magetsi—monga, onjezani mafelemu okhazikika m'mphepete mwa PCB.
50. Kodi tingayese bwanji magwiridwe antchito a makina?

Chitani mayeso opindika, kupsinjika, ndi kumeta kuti muwone mphamvu ya bolodi, zomwe ziyenera kukwaniritsa miyezo yoyenera.
51. Kodi tingawunikire bwanji kukhazikika kwa mankhwala?

Yesani pogwiritsa ntchito mayeso oletsa mankhwala (kuviika mu njira za asidi/alkali) kuti muwone mawonekedwe ndi kusintha kwa magwiridwe antchito.
52. Kodi mungawongolere bwanji kukana kwa IC carrier PCB kuti isagwere nyengo?

Sankhani zipangizo zomwe sizingagwere nyengo yabwino ndipo pakani mankhwala oteteza pamwamba (monga kupaka utoto wosapitirira katatu) kuti muwonjezere nthawi yogwira ntchito panja.
53. Kodi mungayese bwanji momwe insulation imagwirira ntchito ya IC carrier PCB?

Gwiritsani ntchito choyezera kukana kwa kutenthetsa kuti muyese kukana kwa kutenthetsa pakati pa ma circuits ndi pakati pa ma circuits ndi nthaka (kuyenera kukhala pamwamba pa mulingo wa megohm).
54. Kodi mungawunikire bwanji momwe dielectric imagwirira ntchito ya IC carrier PCB?

Yesani poyesa magawo monga dielectric constant ndi dielectric loss factor. Mu ntchito zama frequency apamwamba, dielectric constant iyenera kukhala yokhazikika komanso yotsika.
55. Kodi mungawongolere bwanji liwiro lotumizira chizindikiro cha PCB yonyamula ma signal?

Konzani mawaya, gwiritsani ntchito zipangizo zomwe sizitaya kwambiri, ndipo gwiritsani ntchito microstrip kapena stripline kuti zizipereka zizindikiro zothamanga kwambiri kuti muchepetse kuchedwa.
56. Kodi mungayese bwanji mphamvu yogwiritsira ntchito mphamvu ya PCB yonyamula IC?

Gwiritsani ntchito mphamvu zosiyanasiyana, onani kutentha kwa magetsi ndi kusintha kwa magwiridwe antchito amagetsi, ndikuwunika mphamvu yonyamula magetsi ya magetsi a magetsi.
57. Kodi mungawunikire bwanji phokoso la PCB yonyamula ma IC?

Yesani phokoso la mphamvu, phokoso la chizindikiro, ndi zina zotero, kuti muwonetsetse kuti phokoso la mphamvu likufika pachimake liri mkati mwa malire ololedwa.
58. Kodi mungawongolere bwanji kulolerana kwa cholakwika cha PCB yonyamula IC?

Gwiritsani ntchito mapangidwe owonjezera (monga kuwonjezera ma circuit osungira kapena zigawo zina), ndipo gwiritsani ntchito kutumiza kwa mizere iwiri kuti mupeze zizindikiro zofunika kuti muwongolere kudalirika.
59. Kodi mungayese bwanji magwiridwe antchito a PCB yonyamula IC?

Yesani liwiro la kuyankha kwa chizindikiro ndi kukhazikika pansi pa mikhalidwe yogwira ntchito (monga kuyesa kwamphamvu kwa ma interface otumizira deta mwachangu).
60. Kodi mungawunikire bwanji kugwirizana kwa PCB yonyamula IC?

Chitani mayeso ogwirizana ndi ma chip ndi ma module osiyanasiyana (monga kuyesa ndi ma chip osiyanasiyana) kuti muwonetsetse kuti dongosolo likugwira ntchito bwino.
61. Kodi mungathetse bwanji zolakwika za short-circuit mu IC carrier PCB?

Choyamba gwiritsani ntchito AOI kuti muwone ngati pali ma circuit short points, kenako gwiritsani ntchito multimeter kuti muyese kukana kwa malo, ndikuwona ngati pali ma short circuit mu ma circuit kapena component pin.
62. Kodi mungathetse bwanji zolakwika za open-circuit mu IC carrier PCB?

Gwiritsani ntchito mayeso oyendera mlengalenga kapena multimeter kuti muyese kupitiliza kwa circuit ndikuyang'ana ma circuit otseguka kapena ma via otsekedwa (mwina chifukwa cha mavuto ochulukirapo oboola kapena kuboola).
63. Kodi mungathetse bwanji vuto la kutumiza kwa chizindikiro chosazolowereka mu PCB yonyamula ya IC?

Gwiritsani ntchito oscilloscope kuti muwone mawonekedwe a mafunde a chizindikiro, onani mavuto a kuwunikira ndi kulankhulana, ndikufufuza kusagwirizana kosayenera kwa mawaya kapena kulephera kwa impedance.
64. Kodi mungathetse bwanji mavuto a magetsi mu PCB yonyamula ma IC?

Yesani magetsi amphamvu, yang'anani ngati pali ma circuit afupiafupi/ma circuit otseguka m'mizere yamagetsi ndi kulephera kwa capacitor, ndipo fufuzani zolakwika za chip yamagetsi kapena kutayika kwakukulu kwa mzere.
65. Kodi mungathetse bwanji vuto la kutentha kosazolowereka mu PCB yonyamula IC?

Gwiritsani ntchito chithunzi cha kutentha kuti mudziwe magwero a kutentha ndikuwona ngati chipangizo chamagetsi chadzaza kwambiri kapena kutentha sikukuyenda bwino (monga kuyika sinki yotenthetsera molakwika kapena ma heater via osakwanira).
66. Kodi mungathetse bwanji mavuto a electromagnetic interference (EMI) mu IC carrier PCB?

Gwiritsani ntchito chida chowunikira ma spectrum kuti mupeze magwero osokoneza ndikuwona momwe chitetezo chimayendera (monga kulumikizana kwa zophimba pansi ndi magwiridwe antchito abwinobwino a ma filter circuits).
67. Kodi mungathetse bwanji mavuto a kuwotcherera mu PCB yonyamula ma IC?

Gwiritsani ntchito AOI kuti muwone ngati pali malo olumikizirana oziziritsa, malo olumikizirana osowa, ndi malo olumikizirana, ndikufufuza mavuto osayenera okhudza kutentha/nthawi yolumikizirana kapena kusinthasintha kwa kutentha.
68. Kodi mungathetse bwanji kuwonongeka kwa gawo mu PCB yonyamula IC?

Gwiritsani ntchito ma multimeter ndi ma oscilloscope kuti muyesere magwiridwe antchito a zigawo (monga kukana, capacitance, ndi diode conductivity), ndikufufuza zomwe zimayambitsa overvoltage/overcurrent.
69. Kodi mungathetse bwanji zolakwika pa kapangidwe ka PCB yonyamula IC?

Onaninso zikalata za kapangidwe kake, yerekezerani momwe zinthu zilili ndi zofunikira, ndipo fufuzani zolakwika zosayenerera pa mawaya kapena ma parameter (monga kukula kwa mzere sikukwanira kunyamula magetsi).
70. Kodi mungathetse bwanji vuto la kukhudzana kosayenera pamalo oyesera a PCB yonyamula IC?

Yang'anani ngati pali kuipitsidwa/kuipitsidwa pamalo oyesera, kuwonongeka kwa ma probe oyesera, kapena mavuto olumikizirana ndi zida. Tsukani malo oyesera kapena sinthani ma probe.
71. Kodi mungathetse bwanji mavuto a silk screen mu IC carrier PCB?

Yang'anani bwino mawonekedwe a siketi ya silika, kulondola kwake, ndi malo ake, ndipo fufuzani mavuto okhudza njira yogwiritsira ntchito siketi ya silika kapena ubwino wa inki (monga kusintha magawo a siketi ya silika).
72. Kodi mungathetse bwanji mavuto a chigoba cha solder mu PCB yonyamula IC?

Yang'anani gawo la chigoba cha solder kuti muwone ngati pali thovu, mabowo a pinbowo, ndi kutsekeka, ndipo fufuzani mavuto okhudza kupaka/kukonza (monga kusintha makulidwe a kupaka ndi kutentha kwa kupaka).
73. Kodi mungathetse bwanji vuto la kulekanitsa pakati pa zigawo ziwiri mu PCB yonyamula ya IC?

Gwiritsani ntchito X-ray kuti muzindikire kugwirizana kwa zinthu pakati pa zigawo ziwiri ndikufufuza mavuto okhudzana ndi kutentha kwambiri kapena kugwirizana kwa zinthu (monga kusintha kwa kutentha mwachangu panthawi yopanga).
74. Kodi mungathetse bwanji mavuto a khoma lopanda mabowo mu PCB yonyamula ma IC?

Yang'anani makoma a mabowo pogwiritsa ntchito maikulosikopu ndipo yang'anani momwe kubowolera ndi kuwonongeka kwa ming'alu ya mabowo (monga kusintha liwiro la kubowola ndi kuchuluka kwa chakudya).
75. Kodi mungathetse bwanji vuto la kusagwira bwino ntchito kwa PCB yonyamula IC?

Chongani kufanana kwa gawo lochiritsira pamwamba, kulimba, ndi okosijeni/dzimbiri, ndikufufuza magawo osayenera a njira (monga kusintha nthawi ya electroplating ndi kuchuluka kwa current).
76. Kodi mungathetse bwanji mavuto a kupotoka kwa magawo mu PCB yonyamula ya IC?

Gwiritsani ntchito zida zoyezera monga ma caliper kuti muyerekezere ndi miyeso ya kapangidwe kake ndikufufuza momwe zinthu zilili kapena momwe zinthu zilili molondola (monga kuwona momwe zinthu zilili).
77. Kodi mungathetse bwanji mavuto a kusintha kwa ma PCB onyamula ma IC?

Gwiritsani ntchito chida choyezera kusalala kuti muzindikire ndikufufuza mavuto a kutentha kapena zinthu zina (monga kuchuluka kwa kutentha kwa bolodi, kukonza kapangidwe ka kutentha).
78. Kodi mungathetse bwanji kusatsatira miyezo ya chilengedwe ya PCB yonyamula IC?

Yesani kapangidwe ka zinthu ndikuwona momwe zinthu zimagwirira ntchito (monga ngati zinthu zomwe zili ndi lead zikugwiritsidwa ntchito komanso ngati madzi otayira / utsi wotulutsa utsi ukukwaniritsa miyezo).
79. Kodi mungathetse bwanji mavuto opangidwa ndi PCB yonyamula ma IC?

Lankhulani ndi opanga ndikuwona ngati kapangidwe kake kakukwaniritsa zofunikira pa ndondomeko (monga kukula kwa mzere/kutalika kwa zida zosonkhanitsira, kukonza kapangidwe kake).
80. Kodi mungathetse bwanji mavuto oyesa a PCB yonyamula IC?

Chongani ngati makonda a malo oyesera ndi momwe mawonekedwe ake alili, ndipo fufuzani malo osakwanira oyesera kapena malo osakwanira (konzani malo oyesera).
81. Kodi kusiyana pakati pa PCB yonyamula ya IC ndi PCB wamba ndi kotani?

Ma PCB onyamula ma IC amayang'ana kwambiri kulumikizana kwa ma chip, okhala ndi kukula kochepa, kulondola kwambiri, mawaya okhuthala, komanso zofunikira kwambiri kuti chizindikiro chikhale cholimba komanso kutentha kutayike.
82. Kodi mungasankhe bwanji wogulitsa wa PCB wonyamula IC?

Unikani mphamvu ya opanga, kuwongolera khalidwe, mulingo waukadaulo, mtengo, ndi nthawi yoperekera (monga kuwona ziphaso zoyenera ndi kupititsa patsogolo zida).
83. Kodi mungasamalire bwanji zinthu zomwe zili mu PCB yonyamula ma IC?

Yang'anirani moyenera kuchuluka kwa zinthu zomwe zili m'sitolo kutengera mapulani opanga ndi zomwe zikuyembekezeredwa, fufuzani zinthu zomwe zili m'sitolo nthawi zonse, ndikugwiritsa ntchito njira ya ABC yogawa kuti mupewe kuchuluka kwa zinthu/kusowa kwa zinthu.
84. Kodi njira zobwezeretsanso zinthu za IC carrier PCB ndi ziti?

Kuchotsa zinthu zakuthupi ndi mankhwala kungagwiritsidwe ntchito pobwezeretsa mkuwa ndi zitsulo zamtengo wapatali (monga kutulutsa asidi kuti abwezeretse mkuwa, mogwirizana ndi zofunikira zachilengedwe).

Bodi yonyamulira ya IC PCB

1. Kodi mungadziwe bwanji kuchuluka kwa zigawo za PCB yonyamula ya IC?

2. Kodi mungapange bwanji kukula kwa chonyamulira cha IC?

3. Kodi mungasankhe bwanji zipangizo za PCB yonyamula IC?

4. Kodi mungapange bwanji njira yoyendetsera galimoto yonyamula ma IC?

5. Kodi mungapange bwanji gawo lamagetsi la chonyamulira cha IC?

6. Kodi mungapange bwanji maziko a chonyamulira cha IC?

7. Kodi mungapange bwanji ma vias a chonyamulira cha IC?

8. Kodi mungapange bwanji ma CD a BGA a chonyamulira cha IC?

9. Kodi mungapange bwanji malo oyesera a chonyamulira cha IC?

10. Kodi mungapange bwanji chophimba cha silika cha chonyamulira cha IC?

11. Kodi mungapange bwanji mawonekedwe a chonyamulira cha IC?

12. Kodi mungapange bwanji zolekerera za chonyamulira cha IC?

13. Kodi mungapange bwanji kapangidwe ka kutentha kwa chonyamulira cha IC?

14. Kodi mungapange bwanji zotchingira zamagetsi za chonyamulira cha IC?

15. Kodi mungapange bwanji kudalirika kwa chonyamulira cha IC?

16. Kodi mungapange bwanji njira yopangira chonyamulira cha IC?

17. Kodi mungapange bwanji kuti chonyamulira cha IC chiyesedwe?

18. Kodi mungapange bwanji kuti chonyamulira cha IC chikhale cholimba?

19. Kodi mungapange bwanji kuti chonyamulira cha IC chikhale chokwera mtengo?

20. Kodi mungapange bwanji njira yotetezera chilengedwe cha chonyamulira cha IC?

21. Kodi njira yoyambira yopangira ma PCB onyamula ma IC ndi yotani?

22. Kodi ndi zipangizo ziti zomwe zimagwiritsidwa ntchito popanga zinthu?

23. Kodi mungatsimikizire bwanji kuti kubowola ndi kolondola?

24. Kodi mungatani kuti musunge mkuwa?

25. Kodi mungayang'anire bwanji makulidwe a electroplating?

26. Kodi mungapange bwanji ma trace a circuit?

27. Kodi mungatsimikizire bwanji kuti chigoba chosokera chili bwino?

28. Kodi mungatani kuti muyeretse silika?

29. Kodi mungasankhe bwanji njira zochizira pamwamba?

30. Kodi ndi zolakwika ziti zomwe zimachitika kawirikawiri popanga zinthu?

31. Kodi mungayang'anire bwanji ubwino?

32. Kodi mungakonze bwanji zolakwika?

33. Kodi nthawi yopangira zinthu nthawi zambiri imakhala yotani?

34. Kodi mungachepetse bwanji ndalama zopangira zinthu?

35. Kodi kupanga zinthu kumakhudza bwanji chilengedwe?

36. Kodi mungawongolere bwanji kuchuluka kwa zochita zokha?

37. Ndi zipangizo ziti zomwe zimagwiritsidwa ntchito popanga zinthu?

38. Kodi zipangizo zopangira zinthu zingasamalidwe bwanji?

39. Kodi mungakonze bwanji magawo a ndondomeko?

40. Kodi tingatsimikizire bwanji kuti kupanga zinthu kumagwirizana?

41. Kodi tingayese bwanji magwiridwe antchito amagetsi?

42. Kodi tingawunikire bwanji umphumphu wa chizindikiro?

43. Kodi tingawongolere bwanji umphumphu wa mphamvu?

44. Kodi tingayese bwanji momwe RF imagwirira ntchito?

45. Kodi tingawunikire bwanji momwe kutentha kumagwirira ntchito?

46. ​​Kodi tingawongolere bwanji luso loletsa kusokoneza zinthu?

47. Kodi tingayese bwanji kudalirika?

48. Kodi tingawunikire bwanji moyo wautumiki?

49. Kodi mungakonze bwanji kugwirizana kwa maginito ndi maginito (EMC)?

50. Kodi tingayese bwanji magwiridwe antchito a makina?

51. Kodi tingawunikire bwanji kukhazikika kwa mankhwala?

52. Kodi mungawongolere bwanji kukana kwa IC carrier PCB kuti isagwere nyengo?

53. Kodi mungayese bwanji momwe insulation imagwirira ntchito ya IC carrier PCB?

54. Kodi mungawunikire bwanji momwe dielectric imagwirira ntchito ya IC carrier PCB?

55. Kodi mungawongolere bwanji liwiro lotumizira chizindikiro cha PCB yonyamula ma signal?

56. Kodi mungayese bwanji mphamvu yogwiritsira ntchito mphamvu ya PCB yonyamula IC?

57. Kodi mungawunikire bwanji phokoso la PCB yonyamula ma IC?

58. Kodi mungawongolere bwanji kulolerana kwa cholakwika cha PCB yonyamula IC?

59. Kodi mungayese bwanji magwiridwe antchito a PCB yonyamula IC?

60. Kodi mungawunikire bwanji kugwirizana kwa PCB yonyamula IC?

61. Kodi mungathetse bwanji zolakwika za short-circuit mu IC carrier PCB?

62. Kodi mungathetse bwanji zolakwika za open-circuit mu IC carrier PCB?

63. Kodi mungathetse bwanji vuto la kutumiza kwa chizindikiro chosazolowereka mu PCB yonyamula ya IC?

64. Kodi mungathetse bwanji mavuto a magetsi mu PCB yonyamula ma IC?

65. Kodi mungathetse bwanji vuto la kutentha kosazolowereka mu PCB yonyamula IC?

66. Kodi mungathetse bwanji mavuto a electromagnetic interference (EMI) mu IC carrier PCB?

67. Kodi mungathetse bwanji mavuto a kuwotcherera mu PCB yonyamula ma IC?

68. Kodi mungathetse bwanji kuwonongeka kwa gawo mu PCB yonyamula IC?

69. Kodi mungathetse bwanji zolakwika pa kapangidwe ka PCB yonyamula IC?

70. Kodi mungathetse bwanji vuto la kukhudzana kosayenera pamalo oyesera a PCB yonyamula IC?

71. Kodi mungathetse bwanji mavuto a silk screen mu IC carrier PCB?

72. Kodi mungathetse bwanji mavuto a chigoba cha solder mu PCB yonyamula IC?

73. Kodi mungathetse bwanji vuto la kulekanitsa pakati pa zigawo ziwiri mu PCB yonyamula ya IC?

74. Kodi mungathetse bwanji mavuto a khoma lopanda mabowo mu PCB yonyamula ma IC?

75. Kodi mungathetse bwanji vuto la kusagwira bwino ntchito kwa PCB yonyamula IC?

76. Kodi mungathetse bwanji mavuto a kupotoka kwa magawo mu PCB yonyamula ya IC?

77. Kodi mungathetse bwanji mavuto a kusintha kwa ma PCB onyamula ma IC?

78. Kodi mungathetse bwanji kusatsatira miyezo ya chilengedwe ya PCB yonyamula IC?

79. Kodi mungathetse bwanji mavuto opangidwa ndi PCB yonyamula ma IC?

46. Kodi tingawongolere bwanji luso loletsa kusokoneza zinthu?