High-precision Circuit Court board hais txog kev siv cov kab dav dav / qhov sib txawv, micro qhov, lub nplhaib nqaim dav (lossis tsis muaj lub nplhaib dav) thiab faus thiab qhov muag tsis pom qhov kom ua tiav qhov siab ceev.

High precision txhais tau hais tias qhov tshwm sim ntawm "zoo, me me, nqaim, thiab nyias" yuav inevitably ua rau siab precision. Siv cov kab dav ua piv txwv:

0.20mm kab dav, 0.16 ~ 0.24mm ua raws li cov kev cai tsim nyog, thiab qhov yuam kev yog (0.20 ± 0.04) mm; thaum txoj kab dav ntawm 0.10mm, qhov yuam kev yog (0.1 ± 0.02) hli, pom tseeb qhov tseeb ntawm qhov tom kawg yog nce los ntawm qhov zoo ntawm 1, thiab lwm yam tsis yooj yim rau kev nkag siab, yog li qhov yuav tsum tau muaj qhov tseeb siab yuav tsis tham txog. cais. Tab sis nws yog ib qho teeb meem tseem ceeb hauv kev tsim khoom siv tshuab.

Me thiab ntom hlau technology

Nyob rau hauv lub neej yav tom ntej, cov high-density kab dav / suab yuav yog los ntawm 0.20mm-0.13mm-0.08mm-0.005mm kom tau raws li qhov yuav tsum tau ntawm SMT thiab multi-chip ntim (Mulitichip Package, MCP). Yog li ntawd, cov cuab yeej hauv qab no yuav tsum tau ua.
① Substrate

Siv cov ntaub ntawv nyias lossis ultra-thin tooj liab (<18um) substrate thiab cov cuab yeej kho kom zoo.
② Txheej txheem

Siv cov yeeb yaj kiab nyias nyias thiab cov txheej txheem ntub dej ntub dej, cov yeeb yaj kiab nyias thiab zoo zoo tuaj yeem txo cov kab dav distortion thiab tsis xws luag. Cov yeeb yaj kiab ntub dej tuaj yeem sau cov pa me me, ua kom muaj kev sib txuas ua ke, thiab txhim kho cov hlau kev ncaj ncees thiab raug.
③ Electrodeposited photoresist zaj duab xis

Electro-deposited Photoresist (ED) yog siv. Nws cov tuab tuaj yeem tswj tau hauv thaj tsam ntawm 5-30 / um, thiab nws tuaj yeem tsim cov xov hlau zoo tshaj plaws. Nws yog tshwj xeeb tshaj yog haum rau nqaim nplhaib dav, tsis muaj nplhaib dav thiab tag nrho phaj electroplating. Tam sim no, muaj ntau tshaj kaum ED cov kab ntau lawm hauv ntiaj teb.
④ Parallel light exposure technology

Siv cov cuab yeej siv hluav taws xob sib luag. Txij li thaum lub teeb pom kev sib luag tuaj yeem kov yeej qhov cuam tshuam ntawm txoj kab dav qhov sib txawv los ntawm oblique rays ntawm "point" lub teeb ci, cov hlau zoo nrog cov kab dav dav dav thiab cov npoo du tuaj yeem tau txais. Txawm li cas los xij, cov khoom siv sib xyaw ua ke yog kim, kev nqis peev yog siab, thiab nws yuav tsum tau ua haujlwm hauv ib puag ncig huv si.
⑤ Tsis siv neeg kho qhov muag tshuaj xyuas tshuab

Siv cov cuab yeej siv kho qhov muag tsis siv neeg. Cov thev naus laus zis no tau dhau los ua ib qho tseem ceeb ntawm kev tshawb nrhiav hauv kev tsim cov xov hlau zoo, thiab tau nce sai, siv thiab tsim.

EDA365 Electronic Forum

Microporous technology

Lub qhov ua haujlwm ntawm cov ntawv luam tawm siv rau saum npoo ntawm lub tshuab microporous yog siv rau kev sib txuas hluav taws xob, uas ua rau daim ntawv thov ntawm cov tshuab microporous tseem ceeb dua. Siv cov khoom siv sib xyaw ua ke thiab CNC drilling tshuab los tsim cov qhov me me muaj ntau qhov tsis ua tiav thiab cov nqi siab.

Yog li ntawd, high-density ntawm cov ntawv luam tawm feem ntau yog tsom rau kev ua kom zoo ntawm cov xov hlau thiab cov ntaub qhwv. Txawm hais tias tau txais txiaj ntsig zoo, nws lub peev xwm raug txwv. Txhawm rau txhim kho qhov ceev ntxiv (xws li cov xov hlau tsawg dua 0.08mm), tus nqi nce siab. , Yog li tig mus siv micropores los txhim kho qhov ntom ntom.

Nyob rau hauv xyoo tas los no, cov lej tswj cov tshuab drilling thiab micro-drill thev naus laus zis tau ua tiav, thiab yog li micro-qhov tshuab tau tsim sai heev. Qhov no yog qhov tseem ceeb tshaj plaws hauv kev tsim khoom PCB tam sim no.

Nyob rau hauv lub neej yav tom ntej, lub micro-qhov sib sau tshuab yuav tsuas yog vam khom CNC drilling tshuab thiab zoo heev micro-taub hau, thiab cov me me qhov tsim los ntawm laser technology yog tseem inferior rau cov tsim los ntawm CNC drilling machines los ntawm view ntawm tus nqi thiab qhov zoo. .
① CNC drilling tshuab

Tam sim no, thev naus laus zis ntawm CNC drilling tshuab tau ua tiav tshiab thiab kev vam meej. Thiab tsim ib lub cim tshiab ntawm CNC drilling tshuab yam ntxwv los ntawm drilling qhov me me.

Qhov ua tau zoo ntawm qhov drilling qhov me me (tsawg dua 0.50mm) ntawm lub tshuab micro-qhov drilling yog 1 npaug siab dua li ntawm cov pa CNC drilling tshuab, nrog tsawg dua kev ua haujlwm, thiab kev sib hloov ceev yog 11-15r / min; nws tuaj yeem laum 0.1-0.2mm micro-qhov, siv cov ntsiab lus cobalt siab. Qhov zoo tshaj plaws me me laum me tuaj yeem xyaum peb daim hlau (1.6mm / block) stacked nyob rau sab saum toj ntawm ib leeg. Thaum lub laum me ntsis puas lawm, nws tuaj yeem nres thiab tshaj tawm txoj haujlwm, tuaj yeem hloov lub laum me ntsis thiab tshawb xyuas txoj kab uas hla (lub cuab yeej lub tsev qiv ntawv tuaj yeem tuav tau ntau pua daim), thiab tuaj yeem tswj qhov kev ncua deb ntawm lub laum taub thiab lub hau. thiab qhov tob drilling, yog li qhov muag tsis pom qhov yuav tsum tau drilled, Nws yuav tsis ua puas lub countertop. Lub rooj saum toj kawg nkaus ntawm CNC drilling tshuab txais cov cua cushion thiab magnetic levitation hom, uas tuaj yeem txav tau sai dua, sib dua thiab meej dua yam tsis muaj khawb lub rooj.

Xws li cov tshuab drilling tam sim no xav tau, xws li Mega 4600 los ntawm Prurite hauv ltalis, Excellon 2000 series hauv Tebchaws Meskas, thiab cov khoom tsim tshiab los ntawm Switzerland thiab Lub Tebchaws Yelemees.
② Laser drilling

Muaj tseeb muaj ntau yam teeb meem nrog cov pa CNC drilling tshuab thiab laum cov khoom rau tho qhov me me. Nws tau cuam tshuam kev nce qib ntawm micro-qhov tshuab, yog li laser ablation tau nyiam, kev tshawb fawb thiab kev siv.

Tab sis muaj qhov tsis txaus ntshai, uas yog, qhov tsim ntawm lub qhov taub, uas ua rau hnyav dua thaum lub phaj thickness nce. Coupled nrog kub-kub ablation muaj kuab paug (tshwj xeeb tshaj yog multilayer boards), lub neej thiab txij nkawm ntawm lub teeb qhov chaw, lub repeatability ntawm corrosion qhov, thiab tus nqi, kev nce qib thiab daim ntawv thov ntawm micro-qhov nyob rau hauv zus tau tej cov boards tau raug txwv. . Txawm li cas los xij, laser ablation tseem siv nyob rau hauv nyias thiab high-density microporous daim hlau, tshwj xeeb tshaj yog nyob rau hauv MCM-L high-density interconnect (HDI) technology, xws li polyester zaj duab xis etching thiab hlau deposition nyob rau hauv MCMs. (Sputtering thev naus laus zis) yog siv nyob rau hauv kev sib xyaw ua ke ntawm kev sib txuas siab.

Kev tsim ntawm faus vias nyob rau hauv high-density interconnect multilayer boards nrog faus thiab dig muag ntawm cov qauv kuj tuaj yeem siv tau. Txawm li cas los xij, vim yog kev txhim kho thiab thev naus laus zis ntawm CNC drilling tshuab thiab micro-drills, lawv tau nrawm nrawm thiab thov. Yog li ntawd, daim ntawv thov ntawm laser drilling nyob rau hauv nto mount Circuit Court boards tsis tuaj yeem tsim txoj haujlwm tseem ceeb. Tab sis nws tseem muaj qhov chaw nyob hauv ib qho chaw.

③ Muab faus, qhov muag tsis pom, thiab dhau-qhov tshuab

faus, qhov muag tsis pom, thiab los ntawm lub qhov sib xyaw tshuab kuj yog ib txoj hauv kev tseem ceeb los ua kom cov ntawv luam tawm ntau dua. Feem ntau, qhov faus thiab qhov muag tsis pom yog qhov me me. Ntxiv nrog rau kev nce cov xov tooj ntawm lub rooj tsavxwm, cov qhov faus thiab qhov muag tsis pom kev sib cuam tshuam los ntawm "ze" sab hauv txheej, uas txo cov naj npawb ntawm cov qhov tau tsim, thiab kev sib cais disk teeb tsa kuj tseem yuav txo qis, yog li ua kom muaj qhov sib txawv. tus naj npawb ntawm cov kab hluav taws xob zoo thiab cov txheej txheem kev sib tshuam hauv lub rooj tsavxwm, thiab txhim kho cov kev sib txuas ceev.

Yog li ntawd, cov txheej txheem ntau txheej nrog kev sib xyaw ua ke ntawm faus, qhov muag tsis pom, thiab los ntawm qhov muaj tsawg kawg yog 3 zaug siab dua kev sib txuas ntawm qhov sib txawv dua li cov qauv sib xyaw ua ke puv-dhau-qhov board qauv nyob rau hauv tib qhov loj thiab cov txheej txheem. Yog tias qhov faus, qhov muag tsis pom, qhov loj ntawm cov ntawv luam tawm ua ke nrog los ntawm qhov yuav raug txo kom tsawg lossis cov txheej txheem yuav raug txo kom tsawg.

Yog li ntawd, nyob rau hauv high-density nto-mounted prints boards, faus thiab dig qhov muag technologies tau nce zuj zus, tsis yog tsuas yog nyob rau hauv nto-mounted luam boards nyob rau hauv loj computers, khoom siv sib txuas lus, thiab lwm yam, tab sis kuj nyob rau hauv pej xeem thiab kev siv. Nws kuj tau siv dav hauv thaj chaw, txawm tias nyob rau hauv qee lub rooj tsav tsheb nyias, xws li PCMCIA, Smard, IC phaib thiab lwm cov ntawv nyias rau txheej.

Cov ntawv luam tawm Circuit Court boards nrog faus thiab qhov muag tsis pom cov qauv feem ntau ua tiav los ntawm "sub-board" txoj kev tsim khoom, uas txhais tau hais tias lawv yuav tsum ua kom tiav los ntawm ntau yam xovxwm, drilling, thiab lub qhov plating, yog li qhov tseeb qhov chaw tseem ceeb heev.