Peb qhov no xa mus rau cov txheej txheem tsim khoom rau Metalized Ceramic Substrates (MCC), dav siv hauv kev tswj xyuas thermal thiab kev sib koom ua ke ntawm cov khoom siv xws li siab - lasers, lidar, thiab kev sib txuas lus kho qhov muag.
Cov teeb meem tseem ceeb hauv kev ua laser ntawm peb cov ntaub ntawv no yog:
1. Laser ua ntawm DBC substrates
Kev sib tw: Thick copper layer is requiring high energy penetration; copper's reflectivity >95%, yooj yim puas kho qhov muag khoom; Al₂O₃ yog nkig, nws yooj yim rau chipping thaum txiav.
Cov lus pom zoo: Kauv Drilling + Ntau qhov kev soj ntsuam: Kom tsis txhob muaj ntau dhau ib zaug -pulse zog ua rau cov ceramic tawg; Kev tiv thaiv nitrogen: tiv thaiv tooj liab oxidation thiab blackening.
Tej kev siv: IGBT module substrate txheej txheem txiav, lub hwj chim davhlau ya nyob twg slotting.
2. Laser ua ntawm AMB substrates
Kev sib tw: Si₃N₄ ceramic yog ib qho nyuaj heev thiab nyuaj rau txiav; muaj ib txheej solder, yooj yim melting thiab overflowing; siab -tus nqi substrate, tsis pub microcracks.
Cov lus pom zoo: Picosecond/femtosecond ultrafast laser (355nm lossis 515nm): txias ablation, tsis txhob kub-kub solder; tsawg ib leeg -mem tes zog + siab repetition tus nqi: meej tswj ntawm tshav kub input; Kev tswj xyuas meej meej hauv txheej tooj liab: zam kev puas tsuaj. Si₃N₄
Tej kev siv: SiC module substrate txiav rau lub zog tshiab tsheb
3. DPC substrate laser ua
Kev sib tw: Cov txheej tooj liab heev nyias, yooj yim hlawv los ntawm kev hla dhau; zoo circuitry, xav tau siab positioning raug; thermal stress yooj yim ua rau delamination
Cov lus pom zoo: Tsawg-lub hwj chim UV nanosecond: Precisely tshem tooj liab yam tsis ua puas lub ceramic; Siab -kev daws teeb meem galvanometer + kev pom kev pom: Aligns nrog circuitry uas twb muaj lawm; Ib leeg-pulse stripping: Ua tiav "txiav tsuas yog tooj liab, tsis muaj kev puas tsuaj rau lub substrate"
Tej kev siv: 5G millimeter-wave kav hlau txais xov tooj liab tshem tawm, kev kho mob sojntsuam Circuit Court trimming
Nws tsis pom zoo kom siv ib lub tshuab ua haujlwm rau tag nrho peb hom khoom. Yclaser tuaj yeem tsim kho cov kev daws teeb meem raws li cov neeg siv khoom xav tau.Txais tos nug!
