PCB na yumbu

1. Menene kayan da aka saba amfani da su don allon PCB masu tauri?

Kayan da aka fi amfani da su sun haɗa da aluminum oxide (Al₂O₃, tsarkin 60%-96%), aluminum nitride (AlN), da beryllium oxide (BeO, an maye gurbinsu a hankali saboda guba). Kashi 96% na aluminum oxide suna da alhakin sama da kashi 60% na aikace-aikacen.
2. Menene yanayin zafi na kayan yumbu daban-daban?

Al₂O₃ (96%) yana da kimanin 25W/m・K, AlN yana kai 170-230W/m・K, kuma beryllium oxide (BeO) yana da kimanin 250W/m・K.
3. Menene ma'aunin faɗaɗa zafi na allon PCB mai tauri na yumbu?

Aluminum oxide (6-7 ppm/°C), aluminum nitride (4.5 ppm/°C), ƙasa da FR4's 18-22 ppm/°C.
4. Menene juriyar rufin rufin yumbu?

A zafin ɗaki, juriyar rufin da ke cikin substrates na Al₂O₃ shine >10¹⁴Ω, kuma na substrates na AlN shine >10¹³Ω.
5. Menene ma'aunin dielectric na allon PCB mai tauri?

Matsakaicin dielectric na aluminum oxide 96% yana da kusan 9.8 (1MHz), kuma na AlN yana da kusan 8.5 (1MHz).
6. Menene kewayon juriyar zafin jiki na yumbu?

Zafin aiki: -55℃~300℃, zai iya jure yanayin zafi na ɗan gajeren lokaci wanda ya wuce 800℃.
7. Yaya taurin kayan yumbu yake?

Taurin Mohs shine 6-9, aluminum oxide (96%) ya kai mataki na 7, tare da wahalar sarrafawa sosai.
8. Menene yawan abubuwan da ke cikin yumbu?

Al₂O₃ (96%) yana da kimanin 3.85g/cm³, kuma AlN yana da kusan 3.26g/cm³.
9. Me yasa allon PCB mai tauri ya dace da aikace-aikacen mita mai yawa?

Ƙarancin asarar dielectric (tanδ＜0.002), ƙaramin jinkirin watsa sigina.
10. Ta yaya abubuwan da ke cikin yumbu suke shanye ruwa?

Yawan shan ruwa
11. Menene hanyoyin ƙera allon PCB masu tauri na yumbu?

Tsarin fim mai kauri (buga allo), tsarin fim mai siriri (zubar da iska/ƙazanta), tsarin harbawa tare (HTCC/LTCC), da sauransu.
12. Menene bambanci tsakanin hanyoyin HTCC da LTCC?

Zafin sintering na HTCC shine 1500-1600℃, LTCC shine 850-900℃; LTCC na iya haɗa abubuwan da ba sa aiki tare da farashi mai girma.
13. Menene mafi ƙarancin faɗin/tazara tsakanin layukan da aka yi da yumbu?

Tsarin fim mai siriri zai iya cimma faɗin layi/tazara na 10μm/10μm, kuma tsarin fim mai kauri yana da kusan 100μm/100μm.
14. Menene mafi ƙarancin diamita na ramin haƙa na allon PCB mai tauri na yumbu?

Mafi ƙarancin diamita na ramin da za a yi amfani da shi wajen haƙa ramin Laser shine 50μm, kuma ga haƙa ramin injiniya shine 100μm.
15. Waɗanne hanyoyi ne aka saba amfani da su wajen ƙara ƙarfin ƙarfe a saman yumbu?

Tagulla mai ɗaure kai tsaye (DBC), ƙarfe mai aiki (AMB), da kuma bugu mai kauri.
16. Menene kauri na layin tagulla na tsarin DBC?

Kauri na gama gari na layin jan ƙarfe shine 0.1-0.3mm, har zuwa 0.5mm a matsakaicin.
17. Menene fa'idodin tsarin AMB?

Ƙarfin ɗaurewa > 25N/mm, lokutan zagayowar zafi sun wuce sau 1000 (-40℃~150℃).
18. Menene ƙaiƙayin saman Ra ƙimar Ra na substrates na yumbu?

Tsarin fim mai siriri Ra
19. Waɗanne hanyoyi ne ake bi wajen yanke abubuwa masu kauri?

Yanke Laser, yankewa, da yanke injina. Daidaiton yanke Laser shine ± 25μm.
20. Menene yawan amfanin da ake samu na allon PCB mai tauri a masana'antar gabaɗaya?

Yawan amfanin tsarin fim ɗin siriri yana kusan kashi 85%-90%, kuma tsarin fim mai kauri yana kusan kashi 90%-95%.
21. Me ya kamata a lura da shi a cikin ƙirar allon PCB mai tauri?

A guji ƙirar kusurwa mai ƙarfi, radius na fillet ≥0.2mm; a ƙara ramukan watsa zafi a wuraren da ke da matsin lamba mai ƙarfi.
22. Ta yaya ake haɗa sassan yumbu da guntu?

Ta hanyar haɗa guntu mai juyawa, haɗa waya, walda mai ƙarfi, da sauransu. Haɗin guntu mai juyawa yana da juriya mai zafi kamar 0.5℃/W.
23. Waɗanne aikace-aikace masu yawan mita ne allon ƙarfe na yumbu PCB ya dace da su?

Tashoshin tushe na 5G (rashin sigina
24. Menene rawar da yumbu ke takawa a cikin na'urorin wutar lantarki?

Rage juriyar zafi. Amfani da substrates na AlN a cikin na'urorin IGBT na iya rage juriyar zafi zuwa 1.5℃/W.
25. Za a iya amfani da allon PCB mai tauri na yumbu a cikin na'urorin lantarki na mota?

Ana iya amfani da shi a cikin na'urorin sarrafa injin (ECUs), tare da juriya mai kyau ga zafin jiki da juriya ga girgiza.
26. Menene amfani da substrates na yumbu a cikin filin LED?

Abubuwan da ke haifar da zafi na LED masu ƙarfi, tare da juriyar zafi mai raguwa zuwa ƙasa da 3℃/W.
27. Menene matsakaicin ƙarfin ɗaukar wutar lantarki na allon PCB mai tauri na yumbu?

Don takardar jan ƙarfe mai girman oz 1 a ƙarƙashin hauhawar zafin ℃ 10, faɗin layi na 1mm zai iya ɗaukar kimanin 2A.
28. Ta yaya za a cimma ƙirar layuka da yawa don abubuwan da aka yi da yumbu?

Ta hanyar amfani da hanyoyin haɗa wutar lantarki, LTCC na iya cimma sama da matakai 100 a mafi yawan lokuta.
29. Menene ƙarfin lanƙwasa na allon PCB mai tauri na yumbu?

Ƙarfin lanƙwasa na Al₂O₃ (96%) >300MPa, da kuma na AlN >350MPa.
30. Menene fa'idodin abubuwan da ke cikin yumbu a fannin sararin samaniya?

Juriyar radiation (zai iya jure wa kashi 10⁶Gy), mai sauƙi (yawan da ke da shi kusan kashi 1/3 na ƙarfe).
31. Yadda ake gudanar da gwaje-gwajen aminci don allon PCB masu tauri na yumbu?

Gwajin zagayowar zafi (-40℃~125℃, sau 1000), gwajin zafi mai ɗanshi (85℃/85% RH, awa 1000).
32. Menene yanayin lalacewar zagayowar zafi na substrates na yumbu?

Fashewar Layer na ƙarfe (Lokacin da Al₂O₃ DBC ke faɗuwa a cikin substrate sau kusan 500-800).
33. Menene ƙarfin juriyar rufin rufin na allon PCB mai ƙarfi?

Kauri na 1mm zai iya jure ≥5kV, ƙarfin fitowar wani ɓangare ya fi 2kV.
34. Menene ma'aunin gwajin mannewa ga abubuwan da aka yi da yumbu?

Gwajin cire tef (tef ɗin 3M 610), babu rabuwar Layer na ƙarfe.
35. Menene tsawon rayuwar allon PCB mai tauri na yumbu?

A yanayin aiki na yau da kullun, yana iya kaiwa fiye da shekaru 10, kuma a yanayin zafi mai yawa da zafi mai yawa, ana rage shi zuwa shekaru 5.
36. Yadda ake gano lahani na ciki na yumbu?

Gano X-ray, na'urar hangen nesa ta ultrasonic scanning microscope (C-SAM), tare da ƙuduri har zuwa 10μm.
37. Menene ma'aunin gwajin girgiza ga allon PCB mai tauri na yumbu?

Girgizar sinusoidal 5-2000Hz, hanzari 5g, yana ɗaukar awanni 2 ba tare da fashewa ba.
38. Menene lokacin gwajin fesa gishiri don abubuwan da aka yi da yumbu?

Gwajin fesa gishiri na awanni 96 (maganin NaCl 5%), babu tsatsa a cikin layin ƙarfe.
39. Menene matakin kariyar ESD na allon PCB mai tauri na yumbu?

Tsarin jikin ɗan adam (HBM) >2kV, samfurin injin (MM) >200V.
40. Menene yanayin gwajin girgizar zafi na abubuwan da aka yi da yumbu?

-40℃~150℃, lokacin juyawa
41. Menene bambancin farashi tsakanin allon PCB mai tauri da FR4?

Kudin da ake kashewa wajen yin yumbu ya ninka na FR4 sau 5-10, galibi saboda kayan aiki da hanyoyin aiki masu sarkakiya.
42. Waɗanne hanyoyi ne ake bi don rage farashin allon PCB mai tauri na yumbu?

Samar da kayan aiki da yawa, inganta tsarin aiki (kamar amfani da fim mai kauri maimakon siririn fim), zaɓar kayan da ba su da tsada (kamar 60% aluminum oxide).
43. Menene fa'idodin kayan yumbu idan aka kwatanta da kayan ƙarfe?

Ingantaccen aikin rufi (ƙarfe yana buƙatar yadudduka masu rufi), kuma ma'aunin faɗaɗa zafi ya fi dacewa da guntu.
44. Menene matsayin farashin kayan yumbu daban-daban?

Aluminum oxide (60%)
45. Menene tasirin farashin akan allon ƙarfe mai ƙarfi na PCB?

Nau'in kayan aiki, sarkakiyar tsari, adadin yadudduka, girma, adadin oda.
46. Za a iya haɗa substrates na yumbu da PCB masu sassauƙa?

Ana iya cimma ta hanyar tsarin sassauƙa mai tauri, tare da ƙarin farashi na 20%-30%.
47. Menene rabon kuɗin shara na allon PCB mai tauri na yumbu?

Yana wakiltar kusan kashi 15% zuwa 20% na jimillar kuɗin, kuma inganta yawan amfanin ƙasa zai iya rage shi sosai.
48. Menene ma'aunin rage farashi na samar da kayan yumbu da yawa?

Idan adadin odar ya wuce guda 5,000, farashin naúrar yana raguwa sosai.
49. Shin farashin bincike da ci gaba na allon PCB mai tauri yana da yawa?

Tsawon zagayowar ci gaba (watanni 3-6), babban farashin mold (kimanin yuan 50,000-100,000).
50. Menene kwatancen farashin watsar da zafi tsakanin abubuwan da aka yi da yumbu da PCBs na aluminum?

Aikin watsa zafi na AlN substrates ya ninka na PCBs na aluminum sau uku, amma farashin ya ninka sau 4.
51. Yadda ake shigar da allon PCB mai tauri na yumbu?

An gyara shi da sukurori ko kuma an haɗa shi da manne mai sarrafa zafi (juriyar zafi
52. Menene buƙatun zafin jiki na soldering don substrates na yumbu?

Zafin zafin da za a sake amfani da shi wajen haɗa siminti: 240-260℃, tsawon lokaci
53. Za a iya sake yin amfani da allon PCB mai tauri na yumbu?

Ana iya sake yin aiki, amma yawan zafin jiki mai yawa na iya haifar da fashewar yumbu tare da nasarar kashi 70%.
54. Yadda ake tsaftace saman yumbu?

Tsaftace da IPA (isopropyl alcohol) ultrasonic cleaning na ƙasa da minti 10.
55. Yadda za a hana wutar lantarki mai tsauri ga allon PCB na yumbu?

Kiyaye danshi a yanayin aiki a 40%-60% kuma ki saka madaurin hannu mai hana tsatsa.
56. Yadda ake haɗa substrates na yumbu da matsewar zafi?

Zaɓi kayan da ke da irin wannan ma'aunin faɗaɗa zafi sannan a cika gibin da man shafawa na silicone mai sarrafa zafi.
57. Shin allon PCB mai tauri na yumbu zai iya fuskantar haɗakar raƙuman ruwa?

Ba a ba da shawarar ba, domin matsin lamba na zafi na iya haifar da fashewar yumbu.
58. Menene buƙatun ƙarfin juyi don shigar da substrates na yumbu?

Juyin juya halin sukurori na M3: 0.8-1.2N・m don guje wa yawan damuwa.
59. Yadda ake duba allon PCB mai tauri bayan amfani na dogon lokaci?

Gano wuraren zafi ta hanyar amfani da hoton zafin infrared kuma duba haɗin kai ta hanyar gwajin juriya.
60. Menene yanayin ajiya na abubuwan da aka yi amfani da su a yumbu?

Ajiya: zafi
61. Menene ƙa'idodin ƙasa da ƙasa na allon PCB mai tauri na yumbu?

IPC-6012 (Bayanin Aiki ga Allon Bugawa Mai Tauri), MIL-P-55110 (Ma'aunin Soja).
62. Waɗanne takaddun shaida ake buƙata don abubuwan da aka yi da yumbu?

Takaddun shaida na UL (mai hana harshen wuta), Takaddun shaida na RoHS (ba shi da haɗari), ISO 9001.
63. Menene ƙa'idodin soja na ƙa'idodin PCB masu ƙarfi na yumbu?

Cika gwajin muhalli na MIL-STD-810G tare da ƙa'idodin girgiza da juriya ga tasiri.
64. Waɗanne takaddun shaida ne ake buƙata a masana'antar kera motoci don abubuwan da aka yi da yumbu?

Ana buƙatar takaddun shaida na AEC-Q100 (kwakwalwa) da AEC-Q200 (kayan haɗin da ba a iya amfani da su ba).
65. Menene ƙa'idodin muhalli don allon PCB mai tauri na yumbu?

Bi ƙa'idodin EU REACH, tare da taƙaita amfani da abubuwa masu haɗari kamar gubar da cadmium.
66. Menene ƙimar hana harshen wuta na yumbu?

Matsayin UL 94 V-0 (ba yaɗuwar harshen wuta), ma'aunin iskar oxygen > 30%.
67. Menene ƙa'idodin masana'antar likitanci don allon PCB mai tauri na yumbu?

Ka bi tsarin kula da ingancin kayan aikin likitanci na ISO 13485.
68. Waɗanne takaddun shaida na sararin samaniya ake buƙata don abubuwan da aka yi da yumbu?

Ana buƙatar takardar shaidar tsarin kula da ingancin jiragen sama na AS9100.
69. Menene ƙa'idodin EMC don allon PCB mai tauri na yumbu?

Bi ƙa'idodin hasken lantarki na EN 55032, da kuma fitar da hayaki mai yawa
70. Menene hukumomin tabbatar da aminci ga abubuwan da aka yi da yumbu?

Hukumomin ba da takardar shaida na ɓangare na uku: SGS, TÜV, Intertek.
71. Me za a yi idan Layer ɗin ƙarfe na yumbu ya faɗi?

Duba tsarin haɗin gwiwa (misali, iskar shaka ta jan ƙarfe ta DBC) sannan a sake sarrafa saman.
72. Yadda ake gyara tsagewar a cikin allon PCB mai tauri na yumbu?

Cika ƙananan fasa da epoxy resin; maye gurbin substrate ɗin don manyan fasa.
73. Yadda ake magance matsalar sanyaya sanyi yayin sanyaya ƙasan yumbu?

Daidaita yanayin zafin da ake soya da kuma sarrafa aikin kwararar ruwa (matsayin RA).
74. Yadda za a magance babban raguwar watsa sigina a cikin allunan PCB masu tauri?

Inganta wayoyi, yi amfani da kayan da ba su da ƙarfin dielectric, kuma ƙara layukan ƙasa.
75. Yadda ake magance matsalar rashin kyawun watsar da zafi a cikin kayan yumbu?

Duba hanyoyin watsa zafi da kuma gwada juriyar zafi (maƙasudin
76. Me ke haifar da yawan warpage a cikin allon PCB masu tauri na yumbu?

Tsarin yin sintering mara daidaito ko rashin isasshen rage matsin lamba na zafi; inganta tsarin ƙera.
77. Yadda ake magance gurɓatar saman ƙasa akan yumbu?

A tsaftace shi da sinadarin plasma domin cire ragowar halitta.
78. Yadda ake gano gazawar rufin rufi a cikin allon PCB mai tauri?

Gwajin juriyar rufi (1000V DC) don gano wuraren zubar da ruwa.
79. Me za a yi idan Layer ɗin ƙarfe na yumbu ya lalace?

Ƙarfafa rufin kariya (misali, plating na nickel-gold) kuma a guji iskar gas mai lalata.
80. Yadda za a inganta rashin ƙarfin injina na allon PCB masu tauri na yumbu?

Ƙara kauri na substrate (≥0.5mm) kuma inganta ƙirar kusurwa.
81. Menene hanyoyin haɓakawa don allon PCB mai tauri na yumbu?

Rage nauyi (
82. Waɗanne sabbin kayan yumbu ne?

Silicon nitride (Si₃N₄), tare da yawan amfani da zafi (100W/m・K) da ƙarfi.
83. Menene yiwuwar haɗa abubuwan yumbu da bugu na 3D?

Bugawa ta 3D ta yumbu ta gano hadaddun tsarin watsa zafi tare da daidaiton 50μm.
84. Ta yaya AI ke inganta ƙirar allon PCB mai ƙarfi na yumbu?

Inganta rarrabawar zafi ta hanyar amfani da algorithms na kwaikwayo, rage zagayowar ƙira da kashi 30%.
85. Menene hasashen amfani da abubuwan da aka yi amfani da su a cikin sabbin motocin makamashi?

Ana amfani da shi a cikin na'urorin wutar lantarki na SiC tare da ƙimar haɓaka kasuwa ta shekara-shekara sama da 20%.
86. Menene buƙatar allon PCB mai ƙarfi na yumbu a intanet ta tauraron ɗan adam?

Ƙarancin asarar dielectric zai biya buƙatun sadarwa masu yawan gaske, inda ake sa ran buƙatar za ta ƙaru da kashi 50% nan da shekarar 2025.
87. Waɗanne fasahohin kera kore ne na yumbu?

Man shafawa mai kauri da aka yi da ruwa yana maye gurbin sinadarai masu narkewar halitta don rage fitar da hayakin VOC.
88. Waɗanne ƙalubale ne ke tattare da haɗa abubuwan da aka yi da yumbu da na'urorin lantarki masu sassauƙa?

Wahala wajen daidaita ma'aunin faɗaɗa zafi, wanda ke buƙatar kayan layin buffer.
89. Menene ci gaba a cikin sarrafa nanoscale na allon PCB mai tauri na yumbu?

Lithography na EUV ya cimma da'irori masu matakin 10nm, a halin yanzu suna cikin matakin dakin gwaje-gwaje.
90. Menene yuwuwar amfani da abubuwan da ke cikin yumbu a cikin lissafin kwantum?

Tsayin daka mai kyau a yanayin zafi mai ƙanƙanta na iya sa su zama masu ɗauke da ƙwayoyin quantum.
91. Menene amfani da allon PCB mai tauri na yumbu a cikin tanderun zafi mai zafi?

Matsakaicin juriya ga zafin jiki: 800℃, wanda ke buƙatar kayan ƙarfe masu zafi (misali, hanyar molybdenum-manganese).
92. Menene buƙatun kariya ga kayan yumbu a cikin kayan aikin teku mai zurfi?

Jure matsin lamba na 100MPa kuma cimma kariyar IP68 ta hanyar tukunya.
93. Menene kariyar radiation ga allon PCB mai ƙarfi na yumbu a masana'antar nukiliya?

Yi amfani da yumbu masu jure radiation (misali, silicon carbide) don kare radiation na neutron.
94. Menene mahimman abubuwan ƙira na kayan yumbu a cikin na'urorin wutar lantarki na microwave?

Sarrafa juriyar halayyar (50Ω) da rage asarar dielectric (tanδ
95. Menene tsarin watsa zafi na allon PCB mai tauri a cikin LiDAR?

Ɗauki tsarin watsa zafi na ƙananan tashoshi tare da yawan kwararar zafi har zuwa 100W/cm².
96. Menene daidaiton halittu na abubuwan da aka yi da yumbu a cikin na'urorin likitanci?

Ana buƙatar ƙarfin surface, wanda ya dace da gwajin halittu na ISO 10993.
97. Menene fa'idodin amfani da allon PCB mai ƙarfi na yumbu a cikin inverters na photovoltaic?

Babban juriya ga zafin jiki da rufin rufi, inganta ingantaccen tsarin ta hanyar 1%-2%.
98. Menene buƙatar substrates na yumbu a cikin grid mai wayo?

Cika buƙatun rufin DC (HVDC) mai ƙarfin lantarki mai ƙarfi, juriyar ƙarfin lantarki ≥10kV.
99. Menene tsarin girgizar ƙasa na allon PCB mai ƙarfi na yumbu a cikin kayan aikin da suka dace?

Yi amfani da maƙallan ɗaukar girgiza kuma ku guji mitoci na motsa jiki na waje don mitar halitta.
100. Menene tsarin haɗakarwa na substrates na yumbu a cikin na'urori masu auna sigina na IoT?

Haɗa tare da kwakwalwan MEMS don cimma ƙarancin ƙira da ƙarancin ƙarfi

PCB na yumbu

1. Menene kayan da aka saba amfani da su don allon PCB masu tauri?

2. Menene yanayin zafi na kayan yumbu daban-daban?

3. Menene ma'aunin faɗaɗa zafi na allon PCB mai tauri na yumbu?

4. Menene juriyar rufin rufin yumbu?

5. Menene ma'aunin dielectric na allon PCB mai tauri?

6. Menene kewayon juriyar zafin jiki na yumbu?

7. Yaya taurin kayan yumbu yake?

8. Menene yawan abubuwan da ke cikin yumbu?

9. Me yasa allon PCB mai tauri ya dace da aikace-aikacen mita mai yawa?

10. Ta yaya abubuwan da ke cikin yumbu suke shanye ruwa?

11. Menene hanyoyin ƙera allon PCB masu tauri na yumbu?

12. Menene bambanci tsakanin hanyoyin HTCC da LTCC?

13. Menene mafi ƙarancin faɗin/tazara tsakanin layukan da aka yi da yumbu?

14. Menene mafi ƙarancin diamita na ramin haƙa na allon PCB mai tauri na yumbu?

15. Waɗanne hanyoyi ne aka saba amfani da su wajen ƙara ƙarfin ƙarfe a saman yumbu?

16. Menene kauri na layin tagulla na tsarin DBC?

17. Menene fa'idodin tsarin AMB?

18. Menene ƙaiƙayin saman Ra ƙimar Ra na substrates na yumbu?

19. Waɗanne hanyoyi ne ake bi wajen yanke abubuwa masu kauri?

20. Menene yawan amfanin da ake samu na allon PCB mai tauri a masana'antar gabaɗaya?

21. Me ya kamata a lura da shi a cikin ƙirar allon PCB mai tauri?

22. Ta yaya ake haɗa sassan yumbu da guntu?

23. Waɗanne aikace-aikace masu yawan mita ne allon ƙarfe na yumbu PCB ya dace da su?

24. Menene rawar da yumbu ke takawa a cikin na'urorin wutar lantarki?

25. Za a iya amfani da allon PCB mai tauri na yumbu a cikin na'urorin lantarki na mota?

26. Menene amfani da substrates na yumbu a cikin filin LED?

27. Menene matsakaicin ƙarfin ɗaukar wutar lantarki na allon PCB mai tauri na yumbu?

28. Ta yaya za a cimma ƙirar layuka da yawa don abubuwan da aka yi da yumbu?

29. Menene ƙarfin lanƙwasa na allon PCB mai tauri na yumbu?

30. Menene fa'idodin abubuwan da ke cikin yumbu a fannin sararin samaniya?

31. Yadda ake gudanar da gwaje-gwajen aminci don allon PCB masu tauri na yumbu?

32. Menene yanayin lalacewar zagayowar zafi na substrates na yumbu?

33. Menene ƙarfin juriyar rufin rufin na allon PCB mai ƙarfi?

34. Menene ma'aunin gwajin mannewa ga abubuwan da aka yi da yumbu?

35. Menene tsawon rayuwar allon PCB mai tauri na yumbu?

36. Yadda ake gano lahani na ciki na yumbu?

37. Menene ma'aunin gwajin girgiza ga allon PCB mai tauri na yumbu?

38. Menene lokacin gwajin fesa gishiri don abubuwan da aka yi da yumbu?

39. Menene matakin kariyar ESD na allon PCB mai tauri na yumbu?

40. Menene yanayin gwajin girgizar zafi na abubuwan da aka yi da yumbu?

41. Menene bambancin farashi tsakanin allon PCB mai tauri da FR4?

42. Waɗanne hanyoyi ne ake bi don rage farashin allon PCB mai tauri na yumbu?

43. Menene fa'idodin kayan yumbu idan aka kwatanta da kayan ƙarfe?

44. Menene matsayin farashin kayan yumbu daban-daban?

45. Menene tasirin farashin akan allon ƙarfe mai ƙarfi na PCB?

46. ​​Za a iya haɗa substrates na yumbu da PCB masu sassauƙa?

47. Menene rabon kuɗin shara na allon PCB mai tauri na yumbu?

48. Menene ma'aunin rage farashi na samar da kayan yumbu da yawa?

49. Shin farashin bincike da ci gaba na allon PCB mai tauri yana da yawa?

50. Menene kwatancen farashin watsar da zafi tsakanin abubuwan da aka yi da yumbu da PCBs na aluminum?

51. Yadda ake shigar da allon PCB mai tauri na yumbu?

52. Menene buƙatun zafin jiki na soldering don substrates na yumbu?

53. Za a iya sake yin amfani da allon PCB mai tauri na yumbu?

54. Yadda ake tsaftace saman yumbu?

55. Yadda za a hana wutar lantarki mai tsauri ga allon PCB na yumbu?

56. Yadda ake haɗa substrates na yumbu da matsewar zafi?

57. Shin allon PCB mai tauri na yumbu zai iya fuskantar haɗakar raƙuman ruwa?

58. Menene buƙatun ƙarfin juyi don shigar da substrates na yumbu?

59. Yadda ake duba allon PCB mai tauri bayan amfani na dogon lokaci?

60. Menene yanayin ajiya na abubuwan da aka yi amfani da su a yumbu?

61. Menene ƙa'idodin ƙasa da ƙasa na allon PCB mai tauri na yumbu?

62. Waɗanne takaddun shaida ake buƙata don abubuwan da aka yi da yumbu?

63. Menene ƙa'idodin soja na ƙa'idodin PCB masu ƙarfi na yumbu?

64. Waɗanne takaddun shaida ne ake buƙata a masana'antar kera motoci don abubuwan da aka yi da yumbu?

65. Menene ƙa'idodin muhalli don allon PCB mai tauri na yumbu?

66. Menene ƙimar hana harshen wuta na yumbu?

67. Menene ƙa'idodin masana'antar likitanci don allon PCB mai tauri na yumbu?

68. Waɗanne takaddun shaida na sararin samaniya ake buƙata don abubuwan da aka yi da yumbu?

69. Menene ƙa'idodin EMC don allon PCB mai tauri na yumbu?

70. Menene hukumomin tabbatar da aminci ga abubuwan da aka yi da yumbu?

71. Me za a yi idan Layer ɗin ƙarfe na yumbu ya faɗi?

72. Yadda ake gyara tsagewar a cikin allon PCB mai tauri na yumbu?

73. Yadda ake magance matsalar sanyaya sanyi yayin sanyaya ƙasan yumbu?

74. Yadda za a magance babban raguwar watsa sigina a cikin allunan PCB masu tauri?

75. Yadda ake magance matsalar rashin kyawun watsar da zafi a cikin kayan yumbu?

76. Me ke haifar da yawan warpage a cikin allon PCB masu tauri na yumbu?

77. Yadda ake magance gurɓatar saman ƙasa akan yumbu?

78. Yadda ake gano gazawar rufin rufi a cikin allon PCB mai tauri?

79. Me za a yi idan Layer ɗin ƙarfe na yumbu ya lalace?

46. Za a iya haɗa substrates na yumbu da PCB masu sassauƙa?