PCB mai sassauƙa

1. Menene mafi ƙarancin faɗin/tazara tsakanin layi na PCB mai sassauƙa?

Na al'ada: 30μm/30μm; tsari mai ci gaba: 12μm/12μm (ma'aunin IPC-2223)
2. Sau nawa allon sassauƙa zai iya jure lanƙwasawa?

Substrate na Polyester: ~ sau 100,000; polyimide substrate: ≥ sau 1,000,000
3. Menene kewayon zafin aiki na PCB mai sassauƙa?

Substrate na Polyimide: -196℃ zuwa +260℃; polyester substrate: -55℃ zuwa +150℃
4. Yadda ake lissafin radius mai lanƙwasa na allon sassauƙa?

Gabaɗaya: Kauri R≥3× na allo; aikace-aikace na musamman: R=kauri 1.5× na allo
5. Menene yawan shan ruwa na PCB mai sassauƙa?

Polyimide:
6. Menene abubuwan da aka saba amfani da su a allon da aka sassauƙa?

Polyimide (PI), polyester (PET), polymer mai lu'ulu'u mai ruwa (LCP)
7. Menene ma'aunin dielectric na allon sassauƙa?

Polyimide: εr≈3.5; PET: εr≈3.2
8. Ta yaya za a hana lalacewar allon da ke da sassauƙa?

Tsarin zafin lamination mai sarrafawa; lamination mai polyimide: 280-320℃
9. Menene ƙayyadaddun bayanai game da kauri na allon jan ƙarfe mai sassauƙa?

Na gama gari: 18μm, 35μm, 70μm; mafi ƙaranci: 9μm
10. Menene matsakaicin ƙarfin wutar lantarki mai sassauƙa PCB zai iya jurewa?

Takardar jan ƙarfe ta 18μm: ~20A/mm²
11. Yadda ake gwada aikin lanƙwasawa na allon sassauƙa?

Gwajin lanƙwasawa da zagayawa bisa ga ƙa'idar ASTM D2176
12. Waɗanne hanyoyi ne ake amfani da su wajen magance allunan da ke da sassauƙa?

Zinare mai nutsewa ba tare da lantarki ba (ENIG), tin na nutsewa, OSP; ENIG: Ni 3-5μm, Au 0.05-0.1μm
13. Menene zafin da ya dace da SMT na soldering don allunan sassauƙa?

Zafin da ke sake kwarara: polyimide substrate ≤260℃; PET substrate ≤230℃
14. Yadda ake tsara yankin ƙarfafawa na allunan sassauƙa?

Kauri mai ƙarfi: Kauri mai sassauƙa 1.5-2 ×; ana buƙatar gefuna masu zagaye
15. Menene kauri na abin rufe fuska na solder don PCB mai sassauƙa?

Na al'ada: 15-30μm; buƙatu na musamman: har zuwa 50μm
16. Za a iya sarrafa allunan sassauƙa da hanyoyin rufewa/binne?

Ee; mafi ƙarancin makanta ta hanyar diamita: 0.15mm, rabon al'amari ≤3:1
17. Yadda ake zaɓar tsakanin polyimide da polyester?

Polyimide don yanayin zafi mai yawa da buƙatun lanƙwasa mai yawa; polyester don aikace-aikacen da ke da sauƙin amfani
18. Menene yanayin ajiya na allunan da ke da sassauƙa?

Danshi
19. Yadda ake magance matsalolin warpage na allo masu sassauci?

Ƙara ƙirar ma'auni; matsin lamba na lamination: 3-5MPa
20. Menene mafi ƙarancin girman da za a iya amfani da shi don PCB mai sassauƙa?

Tsarin al'ada: 0.3mm; tsari mai ci gaba: 0.1mm
21. Menene ma'aunin ƙarfin bawon ga allunan sassauƙa?

Ma'aunin IPC: ≥1.5N/mm (takardar jan ƙarfe 18μm)
22. Za a iya amfani da allunan sassauƙa tare da haɗa igiyoyi?

Ba a ba da shawarar ba; an ba da shawarar sake haɗa solder ko zaɓin solder na raƙuman ruwa
23. Ta yaya ake cimma kariyar EMI don allunan sassauƙa?

Layer na kariyar jan ƙarfe/nickel; ingancin kariyar> 60dB
24. Menene tangent na asarar dielectric na allon sassauƙa?

Polyimide: tanδ≈0.003; PET: tanδ≈0.01
25. Menene matsakaicin ƙarfin ɗaukar damuwa na injiniya na PCB mai sassauƙa?

Ƙarfin tauri: polyimide≥150MPa, PET≥100MPa
26. Ta yaya za a hana karyewar allon da ke da sassauƙa a wuraren lanƙwasa?

Tsarin sauyawar baka; etching na tagulla mai gefe 0.05mm
27. Menene ƙimar hana harshen wuta na allon sassauƙa?

Polyimide: UL94 V-0; PET: UL94 HB
28. Za a iya haɗa allunan sassauƙa masu gefe biyu?

Eh, tare da kulawa ga ƙirar ƙarfafawa da jerin soldering
29. Menene mafi ƙarancin tsayin haruffa don PCB mai sassauƙa?

Tsarin al'ada: 0.15mm; tsari mai kyau: 0.1mm
30. Yadda ake auna juriyar allon sassauƙa?

Mai nazarin hanyar sadarwa; daidaiton sarrafa tasirin hana halayen ± 5Ω
31. Menene matsakaicin ma'aunin faɗaɗa zafi ga allunan sassauƙa?

Polyimide: X/Y axis≈15ppm/℃, Z axis≈70ppm/℃
32. Menene juriyar haɗin allunan sassauƙa?

Daidaiton rajistar tsakanin layukan layukan ≤50μm
33. Yadda ake magance matsalolin jinkirin sigina a cikin allunan sassauƙa?

Sarrafa tsawon alamar; yi amfani da ƙirar nau'i-nau'i daban-daban
34. Mene ne abubuwan da ke tasiri ga rayuwar lanƙwasa ta PCB mai sassauƙa?

Nau'in ƙasa, kauri foil ɗin jan ƙarfe, radius mai lanƙwasa, zafin yanayi
35. Menene kauri na jan ƙarfe mara amfani da lantarki don allon sassauƙa?

Kauri na jan ƙarfe mai ramin rami≥25μm
36. Shin allon da ke da sassauƙa za su iya yin lanƙwasa ta hanyar amfani da sitiriyo mai siffar 3D?

Eh, amma ana buƙatar tsari mataki-mataki; kowace kusurwar lanƙwasa ≤90°
37. Menene ma'aunin gwajin feshi na gishiri ga allunan sassauƙa?

ASTM B117; babu tsatsa bayan awanni 24
38. Menene mafi ƙarancin girman faifan PCB mai sassauƙa?

0.3mm (tsawo daga 0.1mm), 0.5mm (tsawo daga 0.3mm)
39. Ta yaya za a inganta aikin watsa zafi na allon sassauƙa?

Ƙara layin foil na jan ƙarfe mai amfani da zafi; ƙarfin wutar lantarki har zuwa 150W/mK
40. Menene ƙarfin juriya na allon sassauƙa?

Rufin da aka saba amfani da shi yana jure ƙarfin lantarki ≥500V; ƙira ta musamman har zuwa 1500V
41. Menene mafi ƙarancin iyaka na radius na lanƙwasa na allon sassauƙa?

Mafi ƙarancin radius na lanƙwasa na Polyimide: R=1mm (kauri 0.1mm)
42. Ta yaya za a hana ƙuraje yayin haɗa allo mai sassauƙa?

Zafin zafin jiki na 80-120℃; lokacin soldering ＜3s
43. Menene buƙatar ƙaiƙayin saman don PCB mai sassauƙa?

Ra≤1.5μm (surface ENIG)
44. Menene ma'aunin gwajin soldering ga allunan sassauƙa?

JIS Z3198; lokacin jika ＜3s
45. Menene saurin gwajin lanƙwasa mai ƙarfi ga allunan sassauƙa?

Na al'ada: Kekuna 5-10 a minti daya
46. Yadda ake tsara yankin naɗewa na allunan sassauƙa?

Tsarin grid mai rami; riƙe tallafin substrate 20%
47. Menene matsakaicin yawan haɗa PCB mai sassauƙa?

Zai iya cimma wurin sanya sassan 0201; mafi ƙarancin tazara 0.3mm
48. Waɗanne hanyoyi ne ake amfani da su wajen magance danshi ga allunan da ke da sassauƙa?

Marufi na injin tsotsa + na'urar busar da ruwa; katin nuna danshi
49. Menene tsarin kula da lokacin lamination ga allunan sassauƙa?

Lokacin lamination na Polyimide: minti 30-60
50. Menene zagayowar gwajin gajiya mai lankwasawa ga allon masu lankwasawa?

Zagaye 1,000,000; duba aiki a kowace zagaye 100,000
51. Menene mafi ƙarancin faɗin layin ƙira ga PCB mai sassauƙa?

Iyakar ka'ida: 10μm (ana buƙatar fasahar daukar hoton kai tsaye ta laser)
52. Menene yanayin warkarwa don tawada mai laushi na abin rufe fuska na allo?

150℃ na minti 60 ko 180℃ na minti 30
53. Shin ma'aunin dielectric na allon sassauƙa yana canzawa tare da mita?

Polyimide: εr=3.5 a 1GHz, εr=3.2 a 10GHz
54. Yadda ake gwada juriyar rufin katako na allunan sassauƙa?

Mita 500V mai ƙarfin lantarki; juriya≥10¹²Ω
55. Menene matsakaicin matsin lamba ga allon sassauƙa?

Matsin lamination shine 4-6MPa (polyimide substrate)
56. Menene mafi ƙarancin diamita na ramin da ake amfani da shi don PCBs masu sassauƙa?

Hakowar Laser (mafi ƙarancin 0.1mm), ƙwanƙwasa plasma
57. Menene hanyar gwajin bawon tagulla don allunan sassauƙa?

Gwajin barewa na IPC-TM-650 2.4.8 na yau da kullun, 90°
58. Menene juriyar zafi mai danshi na allon sassauƙa?

Babu matsala bayan sa'o'i 1000 a cikin yanayin RH 85℃/85%
59. Menene juriyar gogayya ta fuskar maganin allunan sassauƙa?

Juriyar gogayya ta saman ENIG ≥ sau 500 (ƙafafun CS-10, matsin lamba 1000g)
60. Yadda ake tsara yankin haɗin allon masu sassauƙa?

Dauki tsarin haɗin kai mai tauri, tsawon yankin haɗi ≥5mm
61. Menene ƙa'idar gwajin radius mai lanƙwasa mafi ƙaranci ga PCBs masu sassauƙa?

IPC-6013, babu fashewa bayan zagayowar lanƙwasa 1000
62. Nawa ne adadin lokutan gyarawa ga allunan sassauƙa?

An ba da shawarar ≤ sau 2, matsakaicin kada ya wuce sau 3
63. Menene yanayin gwajin damuwa na zafi don allon sassauƙa?

-55℃ zuwa +125℃ zagayowar sau 100, mintuna 30 suna tsayawa a kowane lokaci
64. Menene taurin abin rufe fuska na solder don allunan sassauƙa?

Taurin fensir ≥3H
65. Menene kewayon kusurwar gwajin lanƙwasa don allon lanƙwasa?

0-180°, mai da hankali kan aikin lanƙwasawa na 90°
66. Yadda ake warware matsalar siginar da ke tsakanin allon sassauƙa?

Ƙara layin kariya, sarrafa tazara tsakanin layuka ≥3 faɗin layi
67. Menene mafi ƙarancin faɗin zoben annular na pad don PCBs masu sassauƙa?

Na al'ada 0.15mm, mafi ƙarancin 0.1mm
68. Menene ma'aunin tsari na fenti nickel da zinariya marasa lantarki akan allunan sassauƙa?

Adadin ajiyar nickel 1-2μm/h, ƙimar ajiyar zinare 0.02-0.05μm/h
69. Menene matsakaicin adadin yadudduka don allon sassauƙa?

Layuka 8 na al'ada, matsakaicin har zuwa layuka 20
70. Menene juriyar tasirin allon sassauƙa?

Zai iya jure wa hanzarin 50g, tasirin tsawon lokaci na 11ms
71. Mene ne hanyoyin gazawar gajiya mai lanƙwasa na allon sassauƙa?

Fashewar takardar tagulla (70%), lalata tushen ƙasa (20%), karyewar wurin haɗawa (10%)
72. Ta yaya ake gano ƙarfin bawon allon da ke da sassauƙa?

Yi amfani da injin gwaji mai ƙarfi a gudun 100mm/min
73. Menene mafi ƙarancin faɗin layin haruffa ga PCBs masu sassauƙa?

Tsarin al'ada 0.05mm, tsari mai kyau har zuwa 0.03mm
74. Menene ikon sarrafa lanƙwasa zafin lamination ga allunan sassauƙa?

Dumamawa 2-3℃/min, yanayin zafi yana riƙewa ±5℃ canji
75. Menene gwajin mannewa na saman don allunan sassauƙa?

Gwajin tef ɗin 3M 600, babu wani ƙulli da ke cirewa
76. Menene buƙatun muhalli don gwajin lanƙwasa na allunan lanƙwasa?

Zafin jiki 23±2℃, zafi 50±5%
77. Ta yaya ake tsara tsarin rage damuwa na allon sassauƙa?

Dauki zane-zanen rage damuwa kamar su alamun serpentine da ramukan U-shaped
78. Menene mafi ƙarancin faɗin zoben annular don PCBs masu sassauƙa?

Na al'ada 0.15mm, mafi ƙarancin 0.1mm
79. Menene juriyar sinadaran da ke cikin abin rufe fuska na solder don allunan sassauƙa?

An goge shi da acetone sau 10, babu barewa
80. Menene kusurwar gwajin lanƙwasa mai ƙarfi don allon sassauƙa?

Lanƙwasa mai zagaye na yau da kullun ±90°
81. Yadda za a magance matsalar nakasar zafi na allon sassauƙa?

Zaɓi substrates masu ƙarancin ma'aunin faɗaɗa zafi kuma ƙara tashoshin watsa zafi
82. Menene matsakaicin zafi na aiki ga allunan sassauƙa?

Danshin aiki na dogon lokaci ≤90% RH
83. Menene ma'aunin zafin jiki na ma'aunin dielectric don allon sassauƙa?

Polyimide △εr/△T≈-0.001/℃
84. Menene mafi ƙarancin haƙurin faɗin layi ga PCBs masu sassauƙa?

±10% (tsarin al'ada), ±5% (tsarin da ya dace sosai)
85. Menene zaɓin kayan da ake amfani da su wajen ƙarfafa allunan sassauƙa?

FR-4, masu tauri na polyimide, kauri 0.1-0.5mm
86. Menene muhimman abubuwan ƙira don kera allunan sassauƙa (DFM)?

Guji kusurwoyi masu kaifi, sarrafa daidaiton foil na tagulla, inganta wuraren lanƙwasa
87. Menene juriyar tsatsa na maganin saman don allon sassauƙa?

Gwajin fesa gishiri na tsawon awanni 48, babu tsatsa
88. Menene samfurin hasashen rayuwar lanƙwasa don allon lanƙwasa?

Coffin-Manson equation: Nf=A (Δε)^(-m)
89. Ta yaya ake gano ƙaiƙayin bangon ramin na allon sassauƙa?

An lura da shi ta hanyar duba na'urar hangen nesa ta lantarki (SEM), Ra≤10μm
90. Menene matsakaicin mitar lanƙwasawa ga PCBs masu sassauƙa?

Mitar lanƙwasa mai ƙarfi da aka ba da shawarar ≤2Hz
91. Menene hanyar gwajin mannewa don abin rufe fuska na solder na allunan sassauƙa?

Hanyar yanke giciye (ISO 2409), maki 0 ya cancanta
92. Menene ma'aunin ƙarfin haɗin kai tsakanin layukan don allon sassauƙa?

Matsayin IPC yana buƙatar ≥1.2N/mm
93. Yadda ake ƙididdige jinkirin watsa siginar allon sassauƙa?

Jinkiri = tsawon alamar ×√εr×0.167 (ns/cm)
94. Yadda ake tsara layin jan ƙarfe na watsa zafi na allunan sassauƙa?

Kauri na layin jan ƙarfe ≥70μm, yankin taga a buɗe ≥30%
95. Menene juriyar girgiza na allon sassauƙa?

Zai iya jure girgizar hanzari ta 10-2000Hz, 2g
96. Menene mafi ƙarancin girman gwajin PCBs masu sassauƙa?

Na al'ada 0.6mm, mafi ƙarancin 0.4mm
97. Menene gwajin juriya ga abrasion na maganin saman don allunan sassauƙa?

Gwajin gogewa na Taber, ƙafafun CS-10, adadin lalacewa
98. Menene zaɓin kauri na foil ɗin tagulla a yankin lanƙwasa na allunan sassauƙa?

Ana ba da shawarar foil ɗin jan ƙarfe 9μm ko 12μm don yankin lanƙwasa
99. Menene juriyar girgizar zafin jiki na abin rufe fuska na solder don allunan sassauƙa?

-40℃ zuwa +150℃ zagayowar sau 50, babu fashewa
100. Menene muhimman abubuwan duba ƙa'idojin ƙira (DRC) don PCBs masu sassauƙa?

Faɗin layi/tazara, ta hanyar girma, radius mai lanƙwasa, ƙirar matsewa

PCB mai sassauƙa

1. Menene mafi ƙarancin faɗin/tazara tsakanin layi na PCB mai sassauƙa?

2. Sau nawa allon sassauƙa zai iya jure lanƙwasawa?

3. Menene kewayon zafin aiki na PCB mai sassauƙa?

4. Yadda ake lissafin radius mai lanƙwasa na allon sassauƙa?

5. Menene yawan shan ruwa na PCB mai sassauƙa?

6. Menene abubuwan da aka saba amfani da su a allon da aka sassauƙa?

7. Menene ma'aunin dielectric na allon sassauƙa?

8. Ta yaya za a hana lalacewar allon da ke da sassauƙa?

9. Menene ƙayyadaddun bayanai game da kauri na allon jan ƙarfe mai sassauƙa?

10. Menene matsakaicin ƙarfin wutar lantarki mai sassauƙa PCB zai iya jurewa?

11. Yadda ake gwada aikin lanƙwasawa na allon sassauƙa?

12. Waɗanne hanyoyi ne ake amfani da su wajen magance allunan da ke da sassauƙa?

13. Menene zafin da ya dace da SMT na soldering don allunan sassauƙa?

14. Yadda ake tsara yankin ƙarfafawa na allunan sassauƙa?

15. Menene kauri na abin rufe fuska na solder don PCB mai sassauƙa?

16. Za a iya sarrafa allunan sassauƙa da hanyoyin rufewa/binne?

17. Yadda ake zaɓar tsakanin polyimide da polyester?

18. Menene yanayin ajiya na allunan da ke da sassauƙa?

19. Yadda ake magance matsalolin warpage na allo masu sassauci?

20. Menene mafi ƙarancin girman da za a iya amfani da shi don PCB mai sassauƙa?

21. Menene ma'aunin ƙarfin bawon ga allunan sassauƙa?

22. Za a iya amfani da allunan sassauƙa tare da haɗa igiyoyi?

23. Ta yaya ake cimma kariyar EMI don allunan sassauƙa?

24. Menene tangent na asarar dielectric na allon sassauƙa?

25. Menene matsakaicin ƙarfin ɗaukar damuwa na injiniya na PCB mai sassauƙa?

26. Ta yaya za a hana karyewar allon da ke da sassauƙa a wuraren lanƙwasa?

27. Menene ƙimar hana harshen wuta na allon sassauƙa?

28. Za a iya haɗa allunan sassauƙa masu gefe biyu?

29. Menene mafi ƙarancin tsayin haruffa don PCB mai sassauƙa?

30. Yadda ake auna juriyar allon sassauƙa?

31. Menene matsakaicin ma'aunin faɗaɗa zafi ga allunan sassauƙa?

32. Menene juriyar haɗin allunan sassauƙa?

33. Yadda ake magance matsalolin jinkirin sigina a cikin allunan sassauƙa?

34. Mene ne abubuwan da ke tasiri ga rayuwar lanƙwasa ta PCB mai sassauƙa?

35. Menene kauri na jan ƙarfe mara amfani da lantarki don allon sassauƙa?

36. Shin allon da ke da sassauƙa za su iya yin lanƙwasa ta hanyar amfani da sitiriyo mai siffar 3D?

37. Menene ma'aunin gwajin feshi na gishiri ga allunan sassauƙa?

38. Menene mafi ƙarancin girman faifan PCB mai sassauƙa?

39. Ta yaya za a inganta aikin watsa zafi na allon sassauƙa?

40. Menene ƙarfin juriya na allon sassauƙa?

41. Menene mafi ƙarancin iyaka na radius na lanƙwasa na allon sassauƙa?

42. Ta yaya za a hana ƙuraje yayin haɗa allo mai sassauƙa?

43. Menene buƙatar ƙaiƙayin saman don PCB mai sassauƙa?

44. Menene ma'aunin gwajin soldering ga allunan sassauƙa?

45. Menene saurin gwajin lanƙwasa mai ƙarfi ga allunan sassauƙa?

46. ​​Yadda ake tsara yankin naɗewa na allunan sassauƙa?

47. Menene matsakaicin yawan haɗa PCB mai sassauƙa?

48. Waɗanne hanyoyi ne ake amfani da su wajen magance danshi ga allunan da ke da sassauƙa?

49. Menene tsarin kula da lokacin lamination ga allunan sassauƙa?

50. Menene zagayowar gwajin gajiya mai lankwasawa ga allon masu lankwasawa?

51. Menene mafi ƙarancin faɗin layin ƙira ga PCB mai sassauƙa?

52. Menene yanayin warkarwa don tawada mai laushi na abin rufe fuska na allo?

53. Shin ma'aunin dielectric na allon sassauƙa yana canzawa tare da mita?

54. Yadda ake gwada juriyar rufin katako na allunan sassauƙa?

55. Menene matsakaicin matsin lamba ga allon sassauƙa?

56. Menene mafi ƙarancin diamita na ramin da ake amfani da shi don PCBs masu sassauƙa?

57. Menene hanyar gwajin bawon tagulla don allunan sassauƙa?

58. Menene juriyar zafi mai danshi na allon sassauƙa?

59. Menene juriyar gogayya ta fuskar maganin allunan sassauƙa?

60. Yadda ake tsara yankin haɗin allon masu sassauƙa?

61. Menene ƙa'idar gwajin radius mai lanƙwasa mafi ƙaranci ga PCBs masu sassauƙa?

62. Nawa ne adadin lokutan gyarawa ga allunan sassauƙa?

63. Menene yanayin gwajin damuwa na zafi don allon sassauƙa?

64. Menene taurin abin rufe fuska na solder don allunan sassauƙa?

65. Menene kewayon kusurwar gwajin lanƙwasa don allon lanƙwasa?

66. Yadda ake warware matsalar siginar da ke tsakanin allon sassauƙa?

67. Menene mafi ƙarancin faɗin zoben annular na pad don PCBs masu sassauƙa?

68. Menene ma'aunin tsari na fenti nickel da zinariya marasa lantarki akan allunan sassauƙa?

69. Menene matsakaicin adadin yadudduka don allon sassauƙa?

70. Menene juriyar tasirin allon sassauƙa?

71. Mene ne hanyoyin gazawar gajiya mai lanƙwasa na allon sassauƙa?

72. Ta yaya ake gano ƙarfin bawon allon da ke da sassauƙa?

73. Menene mafi ƙarancin faɗin layin haruffa ga PCBs masu sassauƙa?

74. Menene ikon sarrafa lanƙwasa zafin lamination ga allunan sassauƙa?

75. Menene gwajin mannewa na saman don allunan sassauƙa?

76. Menene buƙatun muhalli don gwajin lanƙwasa na allunan lanƙwasa?

77. Ta yaya ake tsara tsarin rage damuwa na allon sassauƙa?

78. Menene mafi ƙarancin faɗin zoben annular don PCBs masu sassauƙa?

79. Menene juriyar sinadaran da ke cikin abin rufe fuska na solder don allunan sassauƙa?

46. Yadda ake tsara yankin naɗewa na allunan sassauƙa?