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Ukadaulo wapamwamba kwambiri wa board board

  • 2022-05-05 18:13:58
Mkulu mwatsatanetsatane dera bolodi amatanthauza kugwiritsa ntchito mizere yopyapyala m'lifupi / katalikirana, timabowo ting'onoting'ono, m'lifupi mwake m'litali (kapena opanda mphete), ndi mabowo okwiriridwa ndi akhungu kuti akwaniritse kachulukidwe kwambiri.Ndipo kulondola kwakukulu kumatanthauza kuti zotsatira za "zoonda, zazing'ono, zopapatiza, zopapatiza" zidzabweretsa zofunikira zolondola kwambiri, tengani mzere wa mzere monga chitsanzo: O. 20mm mzere m'lifupi, malinga ndi malamulo opangira O. 16 ~ 0.24mm ndi oyenerera, cholakwika ndi (O.20 ± 0.04) mm;ndi O. Kwa mzere wa mzere wa 10mm, cholakwika ndi (0.10±0.02) mm.Mwachiwonekere, kulondola kwazomwezi kumawirikiza kawiri, ndi zina zotero sizili zovuta kumvetsa, kotero kuti zofunikira zapamwamba sizidzakambidwa mosiyana.Koma ndivuto lalikulu muukadaulo wopanga.



(1) Ukadaulo wa waya wabwino

M'tsogolo waya wabwino kwambiri m'lifupi/mipata idzasinthidwa kuchoka pa 0.20mm-O.13mm-0.08mm-0.005mm akhoza kukwaniritsa zofunika za SMT ndi Mipikisano Chip phukusi (Multichip Phukusi, MCP).Choncho, njira zotsatirazi ndi zofunika.


①Kugwiritsa ntchito zojambula zamkuwa zoonda kapena zowonda kwambiri (<18um) gawo lapansi ndi ukadaulo wamankhwala apamwamba.

②Kugwiritsa ntchito filimu yowonda kwambiri komanso filimu yonyowa, filimu yowonda komanso yabwino yowuma imatha kuchepetsa kupotoza kwa mzere ndi zolakwika.Kunyowa konyowa kumatha kudzaza mipata yaying'ono ya mpweya, kukulitsa kumamatira kwapakati, ndikuwongolera kukhulupirika kwa waya komanso kulondola.

③ Kugwiritsa ntchito electrodeposited photoresist film (Electro-deposited Photoresist, ED).makulidwe ake akhoza lizilamuliridwa mu osiyanasiyana 5-30/um, amene akhoza kupanga mawaya wangwiro kwambiri, makamaka oyenera yopapatiza mphete m'lifupi, palibe mphete m'lifupi ndi zonse bolodi electroplating.Pakadali pano, pali mizere yopitilira khumi yopanga ED padziko lapansi.

④Kugwiritsa ntchito ukadaulo wowonetsa kuwala kofananira.Popeza kuwala kofananirako kumatha kuthana ndi kusiyanasiyana kwa kukula kwa mzere chifukwa cha kuwala kwa oblique kwa gwero la "point", mawaya abwino okhala ndi mizere yolondola m'lifupi mwake ndi m'mbali zoyera amatha kupezeka.Komabe, zida zowonetsera zofananira ndizokwera mtengo, zimafuna ndalama zambiri, ndipo zimafunikira ntchito pamalo aukhondo kwambiri.

⑤ Pezani ukadaulo wowunikira wowunikira (Automatic Optical Inspection, AOI).Tekinoloje iyi yakhala njira yofunikira yodziwira popanga mawaya abwino, ndipo ikulimbikitsidwa, kugwiritsiridwa ntchito ndi kupangidwa mwachangu.Mwachitsanzo, AT&T Company ili ndi 11 AoIs, ndipo}tadco Company ili ndi ma AoI 21 omwe amagwiritsidwa ntchito mwapadera kuzindikira zojambula zamkati.

(2) Ukadaulo wa Microvia

Mabowo ogwira ntchito a matabwa osindikizidwa omwe amagwiritsidwa ntchito poyikira pamwamba amatenga gawo la kulumikiza magetsi, zomwe zimapangitsa kugwiritsa ntchito teknoloji ya microvia kukhala yofunika kwambiri.Kugwiritsa ntchito pobowola zipangizo ochiritsira ndi CNC pobowola makina kubala mabowo ting'onoting'ono ndi zolephera zambiri ndi kukwera mtengo.Choncho, kachulukidwe matabwa osindikizidwa makamaka chifukwa kachulukidwe mawaya ndi ziyangoyango.Ngakhale kuti zapindula kwambiri, kuthekera kwake kuli ndi malire.Kuti mupititse patsogolo kachulukidwe (monga mawaya ochepera 0.08mm), mtengo wake ndiwofunika kwambiri.malita, motero amatembenukira ku kugwiritsa ntchito ma micropores kuti apititse patsogolo kachulukidwe.



M'zaka zaposachedwa, zopambana zapangidwa mu CNC pobowola makina ndi yaying'ono-bowola luso, kotero yaying'ono dzenje luso lakula mofulumira.Ichi ndiye chinthu chodziwika bwino pakupanga kwaposachedwa kwa PCB.M'tsogolomu, luso lopanga mabowo ting'onoting'ono lidzadalira makina obowola apamwamba a CNC ndi mitu yaying'ono kwambiri, pamene mabowo opangidwa ndi luso la laser akadali otsika kuposa omwe amapangidwa ndi makina obowola a CNC pakuwona mtengo ndi khalidwe la dzenje. .

①CNC pobowola makina Pakali pano, luso CNC pobowola makina wapanga zopambana ndi kupita patsogolo.Ndipo anapanga mbadwo watsopano wa CNC pobowola makina yodziwika ndi kubowola mabowo ting'onoting'ono.Kugwiritsa ntchito bwino pobowola mabowo ang'onoang'ono (osakwana 0.50mm) ndi makina obowola ang'onoang'ono ndi 1 nthawi yayitali kuposa makina ochiritsira a CNC, osalephera pang'ono, ndipo liwiro lozungulira ndi 11-15r / min;Imatha kubowola mabowo ang'onoang'ono a O. 1 ~ 0.2mm, tizibowo tating'ono tapamwamba tambiri tokhala ndi cobalt wambiri timagwiritsidwa ntchito, ndipo mbale zitatu (1.6mm/block) zitha kuunikidwa pobowola.Pamene kubowola pang'ono wosweka, akhoza basi kusiya ndi lipoti udindo, basi m'malo kubowola pang'ono ndi kuyang'ana m'mimba mwake (chida magazini akhoza kunyamula mazana zidutswa), ndipo basi kulamulira mtunda nthawi zonse pakati pa kubowola nsonga ndi chivundikirocho. mbale ndi kubowola kuya, kotero mabowo akhungu amatha kubowola., ndipo sichidzawononga countertop.Gome la makina obowola a CNC amatenga khushoni ya mpweya ndi mtundu woyandama wa maginito, womwe umayenda mwachangu, mopepuka komanso molondola kwambiri, ndipo sudzakanda tebulo.Makina osindikizira ngati amenewa akusoŵeka, monga Mega 4600 ochokera ku Prute ku Italy, mndandanda wa ExcelIon 2000 ku United States, ndi zinthu za m'badwo watsopano wochokera ku Switzerland ndi Germany.

② Palidi zovuta zambiri pakubowola makina ochiritsira a CNC ndi kubowola mabowo ang'onoang'ono.Zalepheretsa kupita patsogolo kwaukadaulo wamabowo ang'onoang'ono, chifukwa chake laser hole etching yakhala ikuyang'aniridwa, kufufuza ndi kugwiritsa ntchito.Koma pali vuto lowopsa, ndiko kuti, kupanga mabowo anyanga, komwe kumakulitsidwa ndi kuchuluka kwa makulidwe a mbale.Kuphatikiza pa kuipitsidwa kwa kutentha kwapamwamba kwambiri (makamaka matabwa amitundu yambiri), moyo ndi kukonza kwa gwero la kuwala, kubwerezabwereza kwa dzenje ndi mtengo wake, kukwezedwa ndi kugwiritsa ntchito mabowo ang'onoang'ono pakupanga matabwa osindikizidwa akhala ochepa.Komabe, laser ablation imagwiritsidwabe ntchito m'ma microplates ochepa komanso otalika kwambiri, makamaka muukadaulo wa high-density interconnect (HDI) wa MCM-L, monga M. c.Yakhala ikugwiritsidwa ntchito polumikizana ndi kachulukidwe kakang'ono kwambiri kuphatikiza ma polyester film etching mu Ms ndi metal deposition (njira ya sputtering).Kukwiriridwa kudzera m'mapangidwe apamwamba kwambiri olumikizana ndi ma multilayer board okhala ndi zokwiriridwa komanso osawona kudzera m'mapangidwe atha kugwiritsidwanso ntchito.Komabe, chifukwa cha chitukuko ndi kupita patsogolo kwaukadaulo wamakina obowola a CNC ndi tinthu tating'onoting'ono tabowola, alimbikitsidwa ndikugwiritsidwa ntchito mwachangu.Motero laser anabowola mabowo pamwamba

Mapulogalamu omwe ali m'mabwalo ozungulira okwera sangathe kupanga ulamuliro.Koma ikadali ndi malo mu gawo linalake.

③Tekinoloje yokwiriridwa, yakhungu komanso yodutsa m'dzenje Kuphatikiza kwaukadaulo wokwiriridwa, wakhungu komanso wodutsa m'dzenje ndi njira yofunika kwambiri yopititsira patsogolo kachulukidwe ka mabwalo osindikizidwa.Nthawi zambiri, njira zokwiriridwa ndi zakhungu ndizobowo ting'onoting'ono.Kuwonjezera kuonjezera chiwerengero cha mawaya pa bolodi, m'manda ndi akhungu vias ndi interconnected pakati "yapafupi" zigawo zamkati, amene amachepetsa kwambiri chiwerengero cha kudzera mabowo anapanga, ndi zoikamo kudzipatula chimbale Komanso kwambiri kuchepetsa chiwerengero cha kudzera.Kuchepetsa, potero kuonjezera chiwerengero cha mawaya ogwira ntchito ndi ma interlayer interlayer mu bolodi, ndikuwongolera kachulukidwe kameneka kakugwirizanitsa.Choncho, Mipikisano wosanjikiza bolodi ndi kuphatikiza kukwiriridwa, akhungu ndi kudzera-dzenje ndi zosachepera 3 nthawi apamwamba kuposa ochiritsira zonse-dzenje bolodi dongosolo pansi ofanana kukula ndi chiwerengero cha zigawo.Kukula kwa bolodi losindikizidwa pamodzi ndi mabowo kudzachepetsedwa kwambiri kapena chiwerengero cha zigawo chidzachepetsedwa kwambiri.Choncho, m'mabwalo osindikizira apamwamba kwambiri, okwiriridwa ndi akhungu pogwiritsa ntchito matekinoloje akugwiritsidwa ntchito kwambiri, osati pamapepala osindikizidwa pamwamba pa makompyuta akuluakulu, zipangizo zoyankhulirana, ndi zina zotero, komanso ntchito za boma ndi mafakitale.Amagwiritsidwanso ntchito kwambiri m'munda wa , ndipo ngakhale matabwa owonda, monga matabwa owonda okhala ndi zigawo zopitilira zisanu ndi chimodzi za PCMCIA, Smart, IC makadi, etc.

The kusindikizidwa matabwa dera ndi kukwiriridwa ndi bowo akhungu Zomangamanga nthawi zambiri zimamalizidwa ndi njira yopangira "split board", zomwe zikutanthauza kuti zitha kumalizidwa pakangopita nthawi zambiri, kubowola, kubowola mabowo, ndi zina zotere, kotero kuyika bwino ndikofunikira kwambiri..

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