Pawg Module

PCB ua los ntawm cov khoom siv ceramic

1. Cov ntaub ntawv siv rau cov laug cam PCB ceramic yog dab tsi?

Cov ntaub ntawv siv ntau suav nrog txhuas oxide (Al₂O₃, 60% -96% purity), txhuas nitride (AlN), thiab beryllium oxide (BeO, maj mam hloov pauv vim muaj tshuaj lom). 96% txhuas oxide suav rau ntau dua 60% ntawm cov ntawv thov.
2. Cov khoom siv ceramic sib txawv muaj qhov thermal conductivity li cas?

Al₂O₃ (96%) yog kwv yees li 25W/m・K, AlN ncav cuag 170-230W/m・K, thiab beryllium oxide (BeO) yog kwv yees li 250W/m・K.
3. Tus coefficient ntawm thermal expansion ntawm ceramic PCB rigid boards yog dab tsi?

Aluminium oxide (6-7 ppm/°C), aluminium nitride (4.5 ppm/°C), qis dua li FR4's 18-22 ppm/°C.
4. Qhov tiv thaiv rwb thaiv tsev ntawm cov khoom siv ceramic yog dab tsi?

Thaum sov li chav tsev, qhov tsis kam ntawm Al₂O₃ substrates yog >10¹⁴Ω, thiab ntawm AlN substrates yog >10¹³Ω.
5. Lub dielectric constant ntawm cov ceramic PCB rigid boards yog dab tsi?

Lub dielectric constant ntawm 96% txhuas oxide yog li 9.8 (1MHz), thiab ntawm AlN yog li 8.5 (1MHz).
6. Cov khoom siv ceramic tiv taus qhov kub thiab txias li cas?

Kub ua haujlwm: -55 ℃ ~ 300 ℃, tuaj yeem tiv taus qhov kub siab luv luv tshaj 800 ℃.
7. Cov khoom siv ceramic nyuaj npaum li cas?

Mohs hardness yog 6-9, txhuas oxide (96%) ncav cuag theem 7, nrog rau qhov nyuaj ua tiav siab.
8. Qhov ceev ntawm cov khoom siv ceramic yog dab tsi?

Al₂O₃ (96%) yog kwv yees li 3.85g/cm³, thiab AlN yog kwv yees li 3.26g/cm³.
9. Vim li cas cov laug cam PCB ceramic thiaj li tsim nyog rau cov ntawv thov zaus siab?

Kev poob qis dielectric (tanδ
10. Cov khoom siv ceramic nqus dej npaum li cas?

Tus nqi nqus dej
11. Cov txheej txheem tsim khoom rau cov laug cam PCB ceramic yog dab tsi?

Cov txheej txheem zaj duab xis tuab (kev luam ntawv), cov txheej txheem zaj duab xis nyias (sputtering/evaporation), cov txheej txheem sib koom ua ke (HTCC/LTCC), thiab lwm yam.
12. Qhov txawv ntawm cov txheej txheem HTCC thiab LTCC yog dab tsi?

Qhov kub ntawm HTCC sintering yog 1500-1600 ℃, LTCC yog 850-900 ℃; LTCC tuaj yeem koom ua ke cov khoom siv passive nrog tus nqi siab dua.
13. Qhov dav/qhov sib nrug tsawg kawg nkaus ntawm cov kab ceramic substrates yog dab tsi?

Cov txheej txheem zaj duab xis nyias tuaj yeem ua tiav qhov dav/qhov sib nrug ntawm kab 10μm/10μm, thiab cov txheej txheem zaj duab xis tuab yog li 100μm/100μm.
14. Lub qhov tho qhov tsawg kawg nkaus ntawm cov laug cam PCB ceramic yog dab tsi?

Qhov tsawg kawg nkaus qhov txoj kab uas hla rau laser drilling yog 50μm, thiab rau mechanical drilling yog 100μm.
15. Cov txheej txheem feem ntau rau kev ua kom cov khoom siv ceramic saum npoo av yog dab tsi?

Tooj liab txuas ncaj qha (DBC), hlau ua haujlwm brazing (AMB), luam ntawv tuab.
16. Qhov tuab ntawm cov txheej txheem DBC yog dab tsi?

Cov txheej tooj liab feem ntau yog 0.1-0.3 hli, txog li 0.5 hli ntawm qhov siab tshaj plaws.
17. Cov txiaj ntsig ntawm cov txheej txheem AMB yog dab tsi?

Lub zog sib txuas > 25N / hli, lub sijhawm thermal voj voog tshaj 1000 zaug (-40 ℃ ~ 150 ℃).
18. Qhov roughness Ra ntawm cov khoom siv ceramic yog dab tsi?

Cov txheej txheem nyias-zaj duab xis Ra
19. Cov txheej txheem txiav rau cov khoom siv ceramic yog dab tsi?

Kev txiav laser, kev txiav dicing, kev txiav tshuab. Kev txiav laser raug yog ± 25μm.
20. Cov txiaj ntsig ntawm cov laug cam PCB ceramic yog dab tsi?

Cov txheej txheem nyias zaj duab xis yog li ntawm 85% -90%, thiab cov txheej txheem tuab yog li ntawm 90% -95%.
21. Yuav tsum nco ntsoov dab tsi thaum tsim cov laug cam PCB ceramic?

Tsis txhob tsim lub kaum ntse ntse, lub vojvoog ntawm cov fillet ≥0.2 hli; ntxiv cov qhov cua sov hauv cov cheeb tsam uas muaj kev ntxhov siab thermal concentrated.
22. Cov khoom siv ceramic txuas nrog cov chips li cas?

Los ntawm kev sib txuas ntawm cov khoom siv flip chip, kev sib txuas ntawm cov hlau, kev vuam eutectic, thiab lwm yam. Kev sib txuas ntawm cov khoom siv flip chip muaj qhov tsis kam cua sov tsawg li 0.5 ℃ / W.
23. Cov ntawv thov zaus siab twg yog cov PCB rigid boards uas haum rau?

5G chaw nres tsheb (kev poob teeb liab
24. Lub luag haujlwm ntawm cov khoom siv ceramic hauv cov khoom siv fais fab yog dab tsi?

Txo qhov tsis kam ntawm cua sov. Siv AlN substrates hauv IGBT modules tuaj yeem txo qhov tsis kam ntawm cua sov rau 1.5 ℃ / W.
25. Cov laug cam PCB ceramic puas siv tau rau hauv cov khoom siv hluav taws xob hauv tsheb?

Siv tau rau hauv cov chav tswj cav (ECUs), nrog kev tiv taus kub thiab kev co zoo heev.
26. Daim ntawv thov ntawm cov khoom siv ceramic hauv thaj chaw LED yog dab tsi?

Cov khoom siv hluav taws xob LED siab heev, nrog rau kev tiv thaiv thermal txo qis dua 3 ℃ / W.
27. Lub peev xwm nqa tam sim no siab tshaj plaws ntawm cov laug cam PCB ceramic yog dab tsi?

Rau 1oz tooj liab ntawv ci nyob rau hauv 10 ℃ kub nce, 1 hli kab dav tuaj yeem nqa kwv yees li 2A.
28. Yuav ua li cas thiaj ua tau ntau txheej tsim rau cov khoom siv ceramic?

Los ntawm kev sib xyaw ua ke, LTCC tuaj yeem ua tiav ntau dua 100 txheej.
29. Lub zog flexural ntawm cov laug cam PCB ceramic yog dab tsi?

Lub zog flexural ntawm Al₂O₃ (96%) > 300MPa, thiab ntawm AlN > 350MPa.
30. Cov txiaj ntsig ntawm cov khoom siv ceramic hauv aerospace yog dab tsi?

Kev tiv taus hluav taws xob (tuaj yeem tiv taus 10⁶Gy koob tshuaj), lub teeb yuag (qhov ceev txog li 1/3 ntawm cov hlau substrates).
31. Yuav ua li cas thiaj ua tau qhov kev ntsuam xyuas kev ntseeg tau rau cov laug cam PCB ceramic?

Kev sim lub voj voog thermal (-40 ℃ ~ 125 ℃, 1000 zaug), kev sim cua sov ntub (85 ℃ / 85% RH, 1000h).
32. Hom kev ua tsis tiav ntawm lub voj voog thermal ntawm cov khoom siv ceramic yog dab tsi?

Kev tawg ntawm txheej metallization (Al₂O₃ DBC substrate failure cycle lub sijhawm kwv yees li 500-800 zaug).
33. Lub rwb thaiv tsev ntawm cov laug cam PCB ceramic yog dab tsi?

1 hli tuab tuaj yeem tiv taus ≥5kV, qhov hluav taws xob pib tawm ib nrab> 2kV.
34. Tus qauv xeem nplaum rau cov khoom siv ceramic yog dab tsi?

Kev sim tev daim kab xev (3M 610 daim kab xev), tsis muaj txheej hlau tawg.
35. Lub neej ua haujlwm ntawm cov laug cam PCB ceramic yog dab tsi?

Nyob rau hauv cov xwm txheej ua haujlwm ib txwm muaj, nws tuaj yeem ncav cuag ntau dua 10 xyoo, thiab nyob rau hauv qhov kub thiab txias thiab av noo siab, nws raug luv luv rau 5 xyoos.
36. Yuav ua li cas thiaj nrhiav tau qhov tsis zoo sab hauv ntawm cov khoom siv ceramic?

Kev kuaj pom X-ray, lub tshuab ntsuas ultrasonic scanning (C-SAM), nrog qhov kev daws teeb meem txog li 10μm.
37. Tus qauv ntsuas kev co rau cov laug cam PCB ceramic yog dab tsi?

Sinusoidal kev co 5-2000Hz, acceleration 5g, kav ntev li 2 teev yam tsis muaj kab nrib pleb.
38. Lub sijhawm sim ntsev tsuag rau cov khoom siv ceramic yog dab tsi?

Kev sim tshuaj tsuag ntsev 96 teev (5% NaCl kua), tsis muaj xeb ntawm txheej metallization.
39. Qib kev tiv thaiv ESD ntawm cov laug cam PCB ceramic yog dab tsi?

Qauv lub cev tib neeg (HBM) > 2kV, qauv tshuab (MM) > 200V.
40. Cov xwm txheej ntawm kev sim thermal shock rau cov khoom siv ceramic yog dab tsi?

-40 ℃ ~ 150 ℃, lub sijhawm hloov pauv
41. Tus nqi sib txawv ntawm cov laug cam PCB ceramic thiab FR4 yog dab tsi?

Tus nqi ntawm cov khoom siv ceramic yog 5-10 npaug ntawm FR4, feem ntau yog vim cov ntaub ntawv thiab cov txheej txheem nyuaj.
42. Yuav ua li cas thiaj txo tau tus nqi ntawm cov laug cam PCB ceramic?

Kev tsim khoom ntau, kev ua kom zoo dua qub (xws li siv cov zaj duab xis tuab es tsis siv cov zaj duab xis nyias), xaiv cov ntaub ntawv pheej yig (xws li 60% txhuas oxide).
43. Cov txiaj ntsig ntawm cov khoom siv ceramic piv rau cov khoom siv hlau yog dab tsi?

Kev ua tau zoo dua ntawm kev rwb thaiv tsev (cov hlau substrates xav tau cov txheej rwb thaiv tsev), thiab cov coefficient ntawm thermal expansion yog sib phim ntau dua nrog cov chips.
44. Tus nqi ntawm cov khoom siv ceramic sib txawv yog dab tsi?

Aluminium oxide (60%)
45. Cov yam ntxwv dab tsi cuam tshuam rau tus nqi ntawm cov laug cam PCB ceramic?

Hom khoom siv, qhov nyuaj ntawm cov txheej txheem, tus lej ntawm cov khaubncaws sab nraud povtseg, qhov loj me, kev txiav txim kom muaj nuj nqis.
46. Cov khoom siv ceramic puas siv tau nrog cov PCBs uas yoog tau?

Yuav ua tiav tau los ntawm cov txheej txheem rigid-flex, nrog rau kev nce nqi ntawm 20% -30%.
47. Tus nqi pov tseg ntawm cov laug cam PCB ceramic yog dab tsi?

Kwv yees li ntawm 15% -20% ntawm tag nrho cov nqi, thiab kev txhim kho ntawm cov txiaj ntsig tuaj yeem txo nws tau zoo heev.
48. Tus nqi sib npaug rau kev tsim cov khoom siv ceramic ntau yog dab tsi?

Thaum qhov kev txiav txim ntau tshaj 5,000 daim, tus nqi ntawm chav tsev yuav txo qis heev.
49. Tus nqi R&D ntawm cov laug cam PCB ceramic puas siab?

Lub voj voog kev loj hlob ntev (3-6 lub hlis), tus nqi pwm siab (kwv yees li 50,000-100,000 yuan).
50. Kev sib piv ntawm tus nqi cua sov ntawm cov khoom siv ceramic thiab cov PCBs ua los ntawm txhuas yog dab tsi?

Qhov kev ua haujlwm ntawm AlN substrates yog 3 npaug ntawm cov PCBs uas ua los ntawm txhuas, tab sis tus nqi siab dua 4 npaug.
51. Yuav ua li cas rau nruab cov laug cam PCB ceramic?

Kho los ntawm cov ntsia hlau los yog sib txuas nrog cov nplaum thermal conductive (thermal resistance
52. Cov kev cai kub ntawm kev siv soldering rau cov khoom siv ceramic yog dab tsi?

Reflow soldering qhov kub siab tshaj plaws: 240-260 ℃, ntev
53. Cov laug cam PCB ceramic puas tuaj yeem ua haujlwm dua?

Ua haujlwm tau dua, tab sis qhov kub siab yuav ua rau cov khoom siv ceramic tawg nrog qhov ua tiav ntawm kwv yees li 70%.
54. Yuav ua li cas ntxuav qhov chaw ntawm cov khoom siv ceramic?

Ntxuav nrog IPA (isopropyl cawv) ultrasonic ntxuav rau
55. Yuav ua li cas thiaj tiv thaiv tau hluav taws xob zoo li qub rau cov laug cam PCB ceramic?

Tswj kom qhov chaw ua haujlwm noo ntawm 40% -60% thiab hnav cov hlua tes tiv thaiv hluav taws xob.
56. Yuav ua li cas thiaj phim cov khoom siv ceramic nrog cov dab dej kub?

Xaiv cov ntaub ntawv uas muaj cov coefficients thermal expansion zoo sib xws thiab sau cov qhov sib txawv nrog cov roj silicone thermal conductive.
57. Cov laug cam PCB puas tuaj yeem raug soldering los ntawm nthwv dej?

Tsis pom zoo, vim tias kev ntxhov siab thermal yuav ua rau ceramic tawg.
58. Yuav tsum muaj lub zog torque li cas rau kev teeb tsa cov khoom siv ceramic?

Lub zog ntswj rau M3 ntsia hlau: 0.8-1.2N・m kom tsis txhob muaj kev ntxhov siab.
59. Yuav ua li cas los xyuas cov laug cam PCB ceramic tom qab siv ntev?

Tshawb nrhiav cov chaw kub kub los ntawm kev siv duab thermal infrared thiab tshawb xyuas kev sib txuas los ntawm kev sim kev tiv thaiv.
60. Cov xwm txheej khaws cia rau cov khoom siv ceramic yog dab tsi?

Cia: av noo
61. Cov qauv thoob ntiaj teb rau cov laug cam PCB ceramic yog dab tsi?

IPC-6012 (Cov Lus Qhia Txog Kev Ua Haujlwm rau Cov Rooj Sib Tham Luam Tawm Rigid), MIL-P-55110 (Tus Qauv Tub Rog).
62. Yuav tsum muaj daim ntawv pov thawj dab tsi rau cov khoom siv ceramic?

Daim ntawv pov thawj UL (tiv taus hluav taws), daim ntawv pov thawj RoHS (tsis muaj tshuaj lom), ISO 9001.
63. Cov qauv tub rog rau cov laug cam PCB ceramic yog dab tsi?

Ua tau raws li MIL-STD-810G kev sim ib puag ncig nrog kev cai nruj heev rau kev tiv thaiv kev co thiab kev cuam tshuam.
64. Cov ntawv pov thawj twg ntawm kev lag luam tsheb uas xav tau rau cov khoom siv ceramic?

Yuav tsum tau daim ntawv pov thawj AEC-Q100 (chips) thiab AEC-Q200 (passive components).
65. Cov qauv ib puag ncig rau cov laug cam PCB ceramic yog dab tsi?

Ua raws li EU REACH cov cai, txwv tsis pub siv cov tshuaj phom sij xws li txhuas thiab cadmium.
66. Qhov ntsuas hluav taws kub ntawm cov khoom siv ceramic yog dab tsi?

UL 94 V-0 qib (tsis muaj nplaim taws kis), cov pa oxygen > 30%.
67. Cov qauv kev lag luam kho mob rau cov laug cam PCB ceramic yog dab tsi?

Ua raws li ISO 13485 kev tswj hwm qhov zoo ntawm cov khoom siv kho mob.
68. Cov ntawv pov thawj aerospace twg yuav tsum muaj rau cov khoom siv ceramic?

Yuav tsum tau daim ntawv pov thawj AS9100 aerospace quality management system.
69. Cov qauv EMC rau cov laug cam PCB ceramic yog dab tsi?

Ua raws li EN 55032 cov qauv hluav taws xob electromagnetic, ua cov pa phem
70. Cov koom haum pov thawj kev ntseeg tau rau cov khoom siv ceramic yog dab tsi?

Cov koom haum pov thawj thib peb: SGS, TÜV, Intertek.
71. Yuav ua li cas yog tias cov txheej metallization ntawm cov khoom siv ceramic poob tawm?

Tshawb xyuas cov txheej txheem sib txuas (piv txwv li, DBC tooj liab ntawv ci oxidation) thiab rov ua dua qhov chaw.
72. Yuav kho cov kab nrib pleb hauv cov laug cam PCB ceramic li cas?

Sau cov kab nrib me me nrog epoxy resin; hloov cov substrate rau cov kab nrib loj.
73. Yuav ua li cas daws qhov teeb meem txias soldering thaum lub sijhawm ceramic substrate soldering?

Kho qhov kub thiab txias ntawm kev vuam thiab tswj cov dej num flux (RA qib).
74. Yuav ua li cas los daws qhov teeb meem loj ntawm kev xa xov tooj cua hauv cov laug cam PCB ceramic?

Txhim kho cov xov hlau, siv cov khoom siv dielectric tsis tu ncua, thiab ntxiv cov khaubncaws sab nraud povtseg av.
75. Yuav ua li cas thiaj daws tau qhov teeb meem cua sov tsis zoo hauv cov khoom siv ceramic?

Tshawb xyuas cov kev coj ua cua sov thiab sim kev tiv thaiv cua sov (lub hom phiaj
76. Dab tsi ua rau muaj kev sib txhuam ntau dhau hauv cov laug cam PCB ceramic?

Cov txheej txheem sintering tsis sib npaug lossis tsis txaus thermal stress relief; optimize cov txheej txheem tsim khoom.
77. Yuav ua li cas thiaj li daws tau qhov teeb meem ntawm cov khoom siv ceramic?

Ntxuav nrog plasma kom tshem tawm cov organic residues.
78. Yuav ua li cas thiaj nrhiav tau qhov tsis ua haujlwm ntawm cov khoom rwb thaiv tsev hauv cov laug cam PCB ceramic?

Kev ntsuas kev tiv thaiv rwb thaiv tsev (1000V DC) los nrhiav cov ntsiab lus xau.
79. Yuav ua li cas yog tias cov txheej metallization ntawm cov khoom siv ceramic corrodes?

Ua kom cov txheej tiv thaiv muaj zog (piv txwv li, nickel-kub plating) thiab zam cov pa roj corrosive.
80. Yuav ua li cas los txhim kho lub zog tsis txaus ntawm cov laug cam PCB ceramic?

Ua kom cov substrate tuab dua (≥0.5mm) thiab ua kom zoo dua qhov tsim ntawm lub ces kaum.
81. Cov lus qhia txog kev txhim kho rau cov laug cam PCB ceramic yog dab tsi?

Ua kom nyias nyias (
82. Cov khoom siv ceramic tshiab yog dab tsi?

Silicon nitride (Si₃N₄), nrog rau kev ua kom muaj cua sov siab (100W/m・K) thiab lub zog.
83. Muaj peev xwm ua ke cov khoom siv ceramic nrog 3D printing li cas?

Kev luam ntawv 3D Ceramic tau pom cov qauv cua sov uas nyuaj nrog qhov tseeb ntawm 50μm.
84. AI ua li cas thiaj ua kom zoo dua qhov kev tsim ntawm cov laug cam PCB ceramic?

Txhim kho qhov kev faib tawm thermal los ntawm kev siv cov algorithms simulation, ua kom luv lub voj voog tsim los ntawm 30%.
85. Yuav ua li cas thiaj siv tau cov khoom siv ceramic hauv cov tsheb fais fab tshiab?

Siv rau hauv SiC fais fab modules nrog kev loj hlob ntawm kev lag luam txhua xyoo ntau dua 20%.
86. Qhov kev thov rau cov laug cam PCB ceramic hauv internet satellite yog dab tsi?

Kev poob dielectric tsawg ua tau raws li qhov xav tau kev sib txuas lus zaus siab, nrog rau qhov kev thov yuav loj hlob 50% los ntawm xyoo 2025.
87. Cov txheej txheem tsim khoom ntsuab rau cov khoom siv ceramic yog dab tsi?

Cov tshuaj nplaum tuab ua los ntawm dej hloov cov organic solvents kom txo cov pa phem VOC.
88. Cov teeb meem hauv kev sib txuas cov khoom siv ceramic nrog cov khoom siv hluav taws xob uas yoog tau yog dab tsi?

Nyuaj rau kev sib phim cov coefficients thermal expansion, xav tau cov ntaub ntawv txheej buffer.
89. Cov kev nce qib hauv kev ua cov nanoscale ntawm cov laug cam PCB ceramic yog dab tsi?

EUV lithography ua tiav 10nm-level circuits, tam sim no nyob rau theem kuaj mob.
90. Lub peev xwm siv cov khoom siv ceramic hauv kev suav lej quantum yog dab tsi?

Kev ruaj khov siab ntawm qhov kub qis yuav ua rau lawv nqa cov chips quantum.
91. Yuav siv cov ceramic PCB rigid boards li cas hauv cov cub tawg kub siab?

Qhov kub siab tshaj plaws tiv taus: 800 ℃, xav tau cov ntaub ntawv kub siab metallization (piv txwv li, molybdenum-manganese txoj kev).
92. Cov kev cai tiv thaiv rau cov khoom siv ceramic hauv cov khoom siv hauv dej hiav txwv tob yog dab tsi?

Tiv taus 100MPa siab thiab ua tiav IP68 kev tiv thaiv los ntawm kev siv potting.
93. Kev tiv thaiv hluav taws xob rau cov laug cam PCB ceramic hauv kev lag luam nuclear yog dab tsi?

Siv cov khoom siv ceramics uas tiv taus hluav taws xob (piv txwv li, silicon carbide) los tiv thaiv cov hluav taws xob neutron.
94. Cov ntsiab lus tseem ceeb ntawm kev tsim cov khoom siv ceramic hauv cov khoom siv hluav taws xob microwave yog dab tsi?

Tswj cov yam ntxwv impedance (50Ω) thiab txo qhov dielectric poob (tanδ
95. Kev tsim cov cua sov dissipation ntawm cov laug cam PCB ceramic hauv LiDAR yog dab tsi?

Txais yuav cov qauv cua sov me me uas muaj cov cua sov ceev txog li 100W / cm².
96. Qhov sib xws ntawm cov khoom siv ceramic hauv cov khoom siv kho mob yog dab tsi?

Yuav tsum tau ua kom nto passivation, ua raws li ISO 10993 kev kuaj mob ntawm lub cev.
97. Cov txiaj ntsig ntawm daim ntawv thov ntawm cov laug cam PCB ceramic hauv photovoltaic inverters yog dab tsi?

Kev tiv taus kub thiab rwb thaiv tsev siab, txhim kho kev ua haujlwm ntawm lub cev los ntawm 1% -2%.
98. Qhov kev xav tau rau cov khoom siv ceramic hauv cov smart grids yog dab tsi?

Ua tau raws li qhov yuav tsum tau ua ntawm high-voltage DC (HVDC), voltage withstand ≥10kV.
99. Tus qauv tsim ntawm cov laug cam PCB ceramic hauv cov twj siv precision yog dab tsi?

Siv cov brackets uas nqus tau kev co thiab tsis txhob muaj cov zaus ua kom muaj zog sab nraud rau cov zaus ntuj.
100. Txoj kev sib koom ua ke rau cov khoom siv ceramic hauv IoT sensors yog dab tsi?

Sib koom ua ke nrog MEMS chips kom ua tiav miniaturization thiab tsim qauv qis-zog

PCB ua los ntawm cov khoom siv ceramic

1. Cov ntaub ntawv siv rau cov laug cam PCB ceramic yog dab tsi?

2. Cov khoom siv ceramic sib txawv muaj qhov thermal conductivity li cas?

3. Tus coefficient ntawm thermal expansion ntawm ceramic PCB rigid boards yog dab tsi?

4. Qhov tiv thaiv rwb thaiv tsev ntawm cov khoom siv ceramic yog dab tsi?

5. Lub dielectric constant ntawm cov ceramic PCB rigid boards yog dab tsi?

6. Cov khoom siv ceramic tiv taus qhov kub thiab txias li cas?

7. Cov khoom siv ceramic nyuaj npaum li cas?

8. Qhov ceev ntawm cov khoom siv ceramic yog dab tsi?

9. Vim li cas cov laug cam PCB ceramic thiaj li tsim nyog rau cov ntawv thov zaus siab?

10. Cov khoom siv ceramic nqus dej npaum li cas?

11. Cov txheej txheem tsim khoom rau cov laug cam PCB ceramic yog dab tsi?

12. Qhov txawv ntawm cov txheej txheem HTCC thiab LTCC yog dab tsi?

13. Qhov dav/qhov sib nrug tsawg kawg nkaus ntawm cov kab ceramic substrates yog dab tsi?

14. Lub qhov tho qhov tsawg kawg nkaus ntawm cov laug cam PCB ceramic yog dab tsi?

15. Cov txheej txheem feem ntau rau kev ua kom cov khoom siv ceramic saum npoo av yog dab tsi?

16. Qhov tuab ntawm cov txheej txheem DBC yog dab tsi?

17. Cov txiaj ntsig ntawm cov txheej txheem AMB yog dab tsi?

18. Qhov roughness Ra ntawm cov khoom siv ceramic yog dab tsi?

19. Cov txheej txheem txiav rau cov khoom siv ceramic yog dab tsi?

20. Cov txiaj ntsig ntawm cov laug cam PCB ceramic yog dab tsi?

21. Yuav tsum nco ntsoov dab tsi thaum tsim cov laug cam PCB ceramic?

22. Cov khoom siv ceramic txuas nrog cov chips li cas?

23. Cov ntawv thov zaus siab twg yog cov PCB rigid boards uas haum rau?

24. Lub luag haujlwm ntawm cov khoom siv ceramic hauv cov khoom siv fais fab yog dab tsi?

25. Cov laug cam PCB ceramic puas siv tau rau hauv cov khoom siv hluav taws xob hauv tsheb?

26. Daim ntawv thov ntawm cov khoom siv ceramic hauv thaj chaw LED yog dab tsi?

27. Lub peev xwm nqa tam sim no siab tshaj plaws ntawm cov laug cam PCB ceramic yog dab tsi?

28. Yuav ua li cas thiaj ua tau ntau txheej tsim rau cov khoom siv ceramic?

29. Lub zog flexural ntawm cov laug cam PCB ceramic yog dab tsi?

30. Cov txiaj ntsig ntawm cov khoom siv ceramic hauv aerospace yog dab tsi?

31. Yuav ua li cas thiaj ua tau qhov kev ntsuam xyuas kev ntseeg tau rau cov laug cam PCB ceramic?

32. Hom kev ua tsis tiav ntawm lub voj voog thermal ntawm cov khoom siv ceramic yog dab tsi?

33. Lub rwb thaiv tsev ntawm cov laug cam PCB ceramic yog dab tsi?

34. Tus qauv xeem nplaum rau cov khoom siv ceramic yog dab tsi?

35. Lub neej ua haujlwm ntawm cov laug cam PCB ceramic yog dab tsi?

36. Yuav ua li cas thiaj nrhiav tau qhov tsis zoo sab hauv ntawm cov khoom siv ceramic?

37. Tus qauv ntsuas kev co rau cov laug cam PCB ceramic yog dab tsi?

38. Lub sijhawm sim ntsev tsuag rau cov khoom siv ceramic yog dab tsi?

39. Qib kev tiv thaiv ESD ntawm cov laug cam PCB ceramic yog dab tsi?

40. Cov xwm txheej ntawm kev sim thermal shock rau cov khoom siv ceramic yog dab tsi?

41. Tus nqi sib txawv ntawm cov laug cam PCB ceramic thiab FR4 yog dab tsi?

42. Yuav ua li cas thiaj txo tau tus nqi ntawm cov laug cam PCB ceramic?

43. Cov txiaj ntsig ntawm cov khoom siv ceramic piv rau cov khoom siv hlau yog dab tsi?

44. Tus nqi ntawm cov khoom siv ceramic sib txawv yog dab tsi?

45. Cov yam ntxwv dab tsi cuam tshuam rau tus nqi ntawm cov laug cam PCB ceramic?

46. ​​Cov khoom siv ceramic puas siv tau nrog cov PCBs uas yoog tau?

47. Tus nqi pov tseg ntawm cov laug cam PCB ceramic yog dab tsi?

48. Tus nqi sib npaug rau kev tsim cov khoom siv ceramic ntau yog dab tsi?

49. Tus nqi R&D ntawm cov laug cam PCB ceramic puas siab?

50. Kev sib piv ntawm tus nqi cua sov ntawm cov khoom siv ceramic thiab cov PCBs ua los ntawm txhuas yog dab tsi?

51. Yuav ua li cas rau nruab cov laug cam PCB ceramic?

52. Cov kev cai kub ntawm kev siv soldering rau cov khoom siv ceramic yog dab tsi?

53. Cov laug cam PCB ceramic puas tuaj yeem ua haujlwm dua?

54. Yuav ua li cas ntxuav qhov chaw ntawm cov khoom siv ceramic?

55. Yuav ua li cas thiaj tiv thaiv tau hluav taws xob zoo li qub rau cov laug cam PCB ceramic?

56. Yuav ua li cas thiaj phim cov khoom siv ceramic nrog cov dab dej kub?

57. Cov laug cam PCB puas tuaj yeem raug soldering los ntawm nthwv dej?

58. Yuav tsum muaj lub zog torque li cas rau kev teeb tsa cov khoom siv ceramic?

59. Yuav ua li cas los xyuas cov laug cam PCB ceramic tom qab siv ntev?

60. Cov xwm txheej khaws cia rau cov khoom siv ceramic yog dab tsi?

61. Cov qauv thoob ntiaj teb rau cov laug cam PCB ceramic yog dab tsi?

62. Yuav tsum muaj daim ntawv pov thawj dab tsi rau cov khoom siv ceramic?

63. Cov qauv tub rog rau cov laug cam PCB ceramic yog dab tsi?

64. Cov ntawv pov thawj twg ntawm kev lag luam tsheb uas xav tau rau cov khoom siv ceramic?

65. Cov qauv ib puag ncig rau cov laug cam PCB ceramic yog dab tsi?

66. Qhov ntsuas hluav taws kub ntawm cov khoom siv ceramic yog dab tsi?

67. Cov qauv kev lag luam kho mob rau cov laug cam PCB ceramic yog dab tsi?

68. Cov ntawv pov thawj aerospace twg yuav tsum muaj rau cov khoom siv ceramic?

69. Cov qauv EMC rau cov laug cam PCB ceramic yog dab tsi?

70. Cov koom haum pov thawj kev ntseeg tau rau cov khoom siv ceramic yog dab tsi?

71. Yuav ua li cas yog tias cov txheej metallization ntawm cov khoom siv ceramic poob tawm?

72. Yuav kho cov kab nrib pleb hauv cov laug cam PCB ceramic li cas?

73. Yuav ua li cas daws qhov teeb meem txias soldering thaum lub sijhawm ceramic substrate soldering?

74. Yuav ua li cas los daws qhov teeb meem loj ntawm kev xa xov tooj cua hauv cov laug cam PCB ceramic?

75. Yuav ua li cas thiaj daws tau qhov teeb meem cua sov tsis zoo hauv cov khoom siv ceramic?

76. Dab tsi ua rau muaj kev sib txhuam ntau dhau hauv cov laug cam PCB ceramic?

77. Yuav ua li cas thiaj li daws tau qhov teeb meem ntawm cov khoom siv ceramic?

78. Yuav ua li cas thiaj nrhiav tau qhov tsis ua haujlwm ntawm cov khoom rwb thaiv tsev hauv cov laug cam PCB ceramic?

79. Yuav ua li cas yog tias cov txheej metallization ntawm cov khoom siv ceramic corrodes?

46. Cov khoom siv ceramic puas siv tau nrog cov PCBs uas yoog tau?