Ceramic Circuit Boards Manufacturing: Dab tsi yog cov khoom siv?

Hauv tsab ntawv tshaj tawm no, peb yuav tshawb txog cov ntaub ntawv tseem ceeb siv hauv kev tsim cov khoom siv hluav taws xob ceramic thiab sib tham txog lawv qhov tseem ceeb rau kev ua tiav kev ua haujlwm zoo.

Hauv kev tsim cov khoom siv hluav taws xob ceramic, ntau yam khoom siv ua lub luag haujlwm tseem ceeb hauv kev ua kom lawv cov haujlwm thiab kev ntseeg tau. Ceramic circuit boards, tseem hu ua ceramic printed circuit boards (PCBs), yog dav siv nyob rau hauv ntau yam industries xws li electronics, aerospace thiab automotive vim lawv zoo heev thermal conductivity, siab khiav hauj lwm kub thiab superior hluav taws xob zog.

Ceramic circuit boards yog tsim los ntawm kev sib xyaw ntawm cov ntaub ntawv ceramic thiab hlau, ua tib zoo xaiv kom tau raws li cov kev xav tau ntawm kev siv sib txawv.

1. Ceramic substrate:

Lub hauv paus ntawm lub rooj tsavxwm ceramic yog lub hauv paus ceramic, uas muab lub hauv paus rau tag nrho lwm cov khoom. Aluminium oxide (Al2O3) thiab txhuas nitride (AlN) yog cov khoom siv ceramic feem ntau. Alumina muaj zog txhua yam zoo, siab thermal conductivity thiab zoo hluav taws xob rwb thaiv tsev, ua rau nws haum rau ntau yam kev siv. Aluminium nitride, ntawm qhov tod tes, muaj cov thermal conductivity zoo heev thiab thermal expansion zog, ua rau nws zoo tagnrho rau cov ntawv thov uas yuav tsum tau ua kom muaj cua sov zoo.

2. Cov kab hluav taws xob:

Cov kab hluav taws xob yog lub luag haujlwm rau nqa cov teeb liab hluav taws xob ntawm cov khoom sib txawv ntawm lub rooj tsav xwm hauv Circuit Court. Hauv cov kab hluav taws xob ceramic, cov khoom siv hlau xws li kub, nyiaj, lossis tooj liab yog siv los tsim cov kab no. Cov hlau no tau xaiv rau lawv cov hluav taws xob hluav taws xob siab thiab kev sib raug zoo nrog cov khoom siv ceramic. Kub yog feem ntau nyiam rau nws zoo heev corrosion kuj thiab ruaj khov zog, tshwj xeeb tshaj yog nyob rau hauv high-frequency daim ntaub ntawv.

3. Dielectric txheej:

Dielectric txheej yog qhov tseem ceeb rau insulating cov kab hluav taws xob thiab tiv thaiv cov teeb liab cuam tshuam thiab luv circuits. Cov khoom siv dielectric feem ntau siv nyob rau hauv ceramic circuit boards yog iav. Cov iav muaj cov khoom siv hluav taws xob zoo heev thiab tuaj yeem tso ua ib txheej nyias ntawm cov khoom siv ceramic. Tsis tas li ntawd, cov iav txheej tuaj yeem hloov kho kom muaj qhov tshwj xeeb dielectric tas li, tso cai rau kev tswj xyuas cov khoom hluav taws xob ntawm lub rooj tsav xwm hauv Circuit Court.

4. Solder daim npog qhov ncauj thiab kho qhov chaw:

Lub npog ntsej muag yog siv rau saum cov kab hluav taws xob los tiv thaiv lawv los ntawm ib puag ncig xws li plua plav, noo noo, thiab oxidation. Cov npog ntsej muag no feem ntau yog tsim los ntawm epoxy lossis polyurethane-raws li cov ntaub ntawv uas muab rwb thaiv tsev thiab tiv thaiv. Siv cov kev kho deg xws li immersion tin los yog kub plating los txhim kho lub rooj tsavxwm solderability thiab tiv thaiv oxidation ntawm raug tooj liab kab.

5. Ntawm cov khoom ntim:

Vias yog qhov me me drilled los ntawm lub rooj tsav xwm Circuit Court uas tso cai rau kev sib txuas hluav taws xob ntawm cov txheej txheem sib txawv ntawm lub rooj tsavxwm. Nyob rau hauv lub rooj tsav xwm ceramic, los ntawm cov ntaub ntawv sau yog siv los sau cov qhov thiab xyuas kom ntseeg tau cov hluav taws xob conductivity. Feem ntau ntawm cov ntaub ntawv sau muaj xws li cov khoom siv los yog cov khoom ua los ntawm cov nyiaj, tooj liab lossis lwm yam hlau, sib xyaw nrog iav los yog ceramic fillers. Qhov kev sib xyaw ua ke no muab hluav taws xob thiab kev ruaj ntseg, ua kom muaj kev sib raug zoo ntawm cov txheej txheem sib txawv.

Hauv cov ntsiab lus

Kev tsim cov khoom siv hluav taws xob ceramic muaj kev sib xyaw ua ke ntawm cov ntaub ntawv ceramic, hlau thiab lwm yam khoom tshwj xeeb. Aluminium oxide thiab aluminium nitride yog siv los ua substrates, thaum hlau xws li kub, nyiaj thiab tooj liab yog siv rau cov kab hluav taws xob. Cov iav ua raws li cov khoom siv dielectric, muab hluav taws xob rwb thaiv tsev, thiab epoxy lossis polyurethane solder daim npog qhov ncauj tiv thaiv cov kab hluav taws xob. Kev sib txuas ntawm cov khaubncaws sab nraud povtseg yog tsim los ntawm cov khoom ntim khoom uas muaj cov khoom siv tshuaj thiab cov khoom ntim.

Kev nkag siab txog cov ntaub ntawv siv hauv kev tsim cov khoom siv hluav taws xob ceramic yog qhov tseem ceeb rau cov engineers thiab cov tsim qauv tsim cov khoom siv hluav taws xob zoo thiab txhim khu kev qha. Xaiv cov khoom tsim nyog yog nyob ntawm cov ntawv thov tshwj xeeb xws li thermal conductivity, hluav taws xob khoom thiab ib puag ncig. Los ntawm kev siv cov khoom tshwj xeeb ntawm txhua yam khoom siv, ceramic circuit boards txuas ntxiv hloov pauv ntau yam kev lag luam nrog lawv cov kev ua tau zoo thiab ua haujlwm ntev.