1. Aka kanali koyamba kuti tatha kuchita izi. 2

PCB ndondomeko laminated

1. Autoclave pressure cooker

Laminates is a container filled with high temperature saturated water vapor, and can apply high pressure, Laminates the specimen, placed in it for a period of time, forced the water into the plate, and then takes out the plate and placed on the surface of high temperature molten tin, measurement of its “resistance to lamination” characteristics. Mawu awa ali ndi mawu ofanana ndi a Pressure Cooker ndipo amagwiritsidwa ntchito kwambiri pamakampani. Kuphatikiza apo, pali mtundu wa “njira yokakamiza kanyumba” yomwe imachitika ndi kutentha kwambiri komanso kuthamanga kwa carbon dioxide mu njira yopangira lamination, yomwe ilinso yamtunduwu wa Autoclave Press.

2. Kapu Lamination

“Zosanjikiza zakunja” za MLB zidapangidwa ndi laminated ndikukanikizidwa pazigawo zopyapyala zamkuwa zambali imodzi. Sizinali mpaka kumapeto kwa 1984, pamene kupanga MLB kunakula kwambiri, kuti njira yamakono yamkuwa yakhungu lalikulu kapena yochuluka (Mss Lam) inakhazikitsidwa. Kuphatikizika koyambirira kwa MLB kumeneku pogwiritsa ntchito gawo limodzi lochepa la khungu lamkuwa kumatchedwa Cap LaminaTIon.

3. Caul Plate

Pamene mbale ya multilayer ikanikizidwa, pakati pa Kutsegula kulikonse kwa bedi la atolankhani (Kutsegula), nthawi zambiri amasunga “mabuku” ambiri kuti asindikize zinthu zotayirira (monga ma seti 8-10), pakati pa “zinthu zotayirira” (Buku) , iyenera kulekanitsidwa ndi mbale yosalala yosalala komanso yolimba yosapanga dzimbiri, Mtundu uwu wa galasi wosapanga dzimbiri Plate umatchedwa Caul Plate kapena Separate Plate. AISI 430 kapena AISI 630 amagwiritsidwa ntchito kwambiri pakadali pano.

4. Crease

Mu laminate kukanikiza, nthawi zambiri amatanthauza mkuwa khungu pokonza crease. Khungu lopyapyala la mkuwa lochepera 0.5 oz limakonda kukhala ndi vutoli likakanikizidwa m’magulu angapo.

5. Dent

Zimatanthawuza kufatsa komanso ngakhale kutsika pamtunda wamkuwa, zomwe zingayambitsidwe ndi kutuluka kwa mawanga kwa mbale yachitsulo yomwe imagwiritsidwa ntchito posindikiza. Ngati m’mphepete mwa mbaleyo igwera bwino m’njira yolakwika, imatchedwa Dish Down. Zowonongeka izi, ngati mwatsoka zitasiyidwa pamzere pambuyo pa kuyika kwa mkuwa, zingayambitse kusakhazikika kwa chizindikiro chothamanga kwambiri, ndi Phokoso la Phokoso. Choncho, pamwamba pa mkuwa wa gawo lapansi ayenera kupeŵedwa momwe angathere.

6. Zojambulajambula LaminaTIon

Amatanthauza Misa kupanga multilayer bolodi, wosanjikiza akunja amene mbamuikha ndi zojambulazo mkuwa ndi filimu mwachindunji ndi wosanjikiza wamkati wotchedwa Misa Lam kwa multilayer bolodi, m’malo mwa chikhalidwe njira limodzi woonda gawo lapansi kumayambiriro siteji.

7. Kupsyopsyona Kupanikizika

When the multilayer board is pressed, when the plates in each Opening are placed and positioned, it begins to heat up and lift up from the bottom hot plate with a powerful hydraulic top column (Ram) to press the loose material in each Opening for bonding. Panthawi imeneyi pamodzi ndi filimu (Prepreg) anayamba pang’onopang’ono kufewetsa ndipo ngakhale otaya, kotero mavuto ntchito pamwamba extrusion sangakhale lalikulu kwambiri, kupewa mbale kutsetsereka kapena zomatira otaya kwambiri. Kupanikizika koyambirira kumeneku (15 mpaka 50 PSI) kumatchedwa “kupsompsona”. Koma pamene utomoni mu filimu chochuluka zakuthupi ndi wofewetsa ndi kutentha ndi gelatinized, ndipo adzaumitsa, ndiko kuti, kuonjezera kuthamanga zonse (300 ~ 500 PSI), kuti chochuluka zakuthupi kukwaniritsa kuphatikiza kwapafupi ndi mapangidwe a bolodi lolimba lamitundu yambiri.

8. Kraft Paper

Pepala la Kraft limagwiritsidwa ntchito ngati chotchingira kutentha kwa laminating multilayer board kapena substrate board. Imayikidwa pakati pa mbale yotentha (Platern) ya makina osindikizira ndi mbale yachitsulo kuti ichepetse kutentha kwapakati pafupi ndi zinthu zambiri. Pakati pa angapo gawo lapansi kapena mbale multilayer kuti akanikizire. Momwe mungathere kuti mutseke kusiyana kwa kutentha pakati pa zigawo zosiyanasiyana za mbale, zomwe zimagwiritsidwa ntchito nthawi zambiri ndi 90 mpaka 150 mapaundi. Chifukwa cha kutentha kwambiri komanso kuthamanga kwambiri, ulusi womwe uli pamapepala wathyoka, sukhalanso ndi kulimba komanso zovuta kuchitapo kanthu, choncho tiyenera kuyesetsa kusintha. Izi kraft pepala ndi chisakanizo cha paini ndi zosiyanasiyana amphamvu alkali yophika, pambuyo volatiles kuthawa ndi kuchotsa asidi, ndiye osambitsidwa ndi mpweya; Zikakhala zamkati, zimatha kukanikizidwanso kuti zikhale pepala lolimba komanso lotsika mtengo.

9. Iyikeni

Pamaso pa laminate kapena gawo lapansi mbamuikha, m`pofunika agwirizane, kugwa, kapena kuika mkati wosanjikiza, filimu, mkuwa ndi zipangizo zina chochuluka ndi mbale zitsulo, kraft pepala padding zipangizo, etc., kotero kuti mosamala kudyetsedwa mu makina osindikizira a kutentha kwapakati. Kukonzekera kotereku kumatchedwa kuyala. Pofuna kupititsa patsogolo khalidwe la multilayer board, osati izi “kuphatikizana” ntchito kuti ichitike mu kutentha ndi chinyezi kulamulira fumbi lopanda fumbi, komanso kuti Misa kupanga liwiro ndi khalidwe, zambiri zotsatirazi zigawo zisanu ndi zitatu. amatengera njira yayikulu yolumikizira mbale (Misa Lam) yomanga, ndipo amafunika kugwiritsa ntchito njira yolumikizirana “yodziwikiratu”, kuti achepetse zolakwika ndi kutayika kwa anthu. Pofuna kupulumutsa zida zomangira ndi kugawana, fakitale yayikulu ikhala “yophatikizana” komanso “gulu lopindika” zonse zophatikizidwa kukhala gawo lokonzekera bwino, motero uinjiniya wake wodzipangira okha ndi wovuta kwambiri.

10. Misa Laminati (laminated)

Iyi ndi njira yatsopano yopangira kusiya “nsonga yolumikizira” ndikutengera mizere ingapo ya mbale pamalo amodzi. Kuyambira 1986, pamene kufunika kwa laminates anayi ndi asanu ndi limodzi kwawonjezeka, njira yopangira multilaminates yasintha kwambiri. Pachiyambi choyamba, mbale imodzi yokha yotumizira inkakonzedwa pa mbale ya ndondomeko kuti isindikizidwe. Kukonzekera kwa chimodzi-kumodzi kumeneku kwathyoledwa m’chilamulo chatsopano, chimene chingasinthidwe kukhala chiŵiri, kapena mizere inayi, kapena mizere yowonjezereka ya mbale zopanikizidwa mogwirizana ndi kukula kwake. Chachiwiri ndikuletsa mitundu yonse ya zinthu zotayirira (monga pepala lamkati, filimu, pepala limodzi lakunja, ndi zina zotero) za nsonga yolumikizira; The outer layer is changed to copper foil, and the “target” is pre-made on the inner layer plate, which is “swept” to get the target after pressing, and then the tool hole is drilled from the center, which can be set on the drilling machine for drilling. Koma zigawo zisanu ndi zitatu kapena zisanu ndi zitatu za matabwa, filimu ya aliyense wamkati wosanjikiza ndi masangweji akhoza riveted ndiyeno mbamuikha pa kutentha. Ikhozanso kuwonjezera chiwerengero cha “High” ndi Kutsegula molingana ndi njira yoyambira mbale. Iwo sangakhoze kuchepetsa ntchito ndi pawiri linanena bungwe, komanso kuchita zokha. Njira ya platen ya lingaliro latsopanoli imatchedwa “large platen” kapena “large platen”. M’zaka zaposachedwa, pakhala pali mafakitale ambiri okakamiza a OEM ku China.

11. Mbale zotentha za mbale

Ndi nsanja yosunthika yopangira makina osindikizira a laminate kapena kupanga mbale zoyambira. The dzenje zitsulo mesa za mtundu uwu wa massiness, makamaka ndi kupereka kukakamizidwa ndi kutentha gwero thabwa, chifukwa ayenera kukhalabe lathyathyathya, kufanana mphamvu mu kutentha kupita. Nthawi zambiri mbale iliyonse yotentha imayikidwa mkati mwa chitoliro cha nthunzi, machubu otentha kapena kukana kutenthetsa chinthu, ndipo m’mphepete mwa kunja kwa malo ozungulira ayeneranso kudzazidwa ndi zinthu zotetezera, kuchepetsa kutaya kwa kutentha, ndi zida zowunikira kutentha kuti ziwongolere. kutentha.

12. Press Plate

Amatanthauza gawo lapansi kapena multilayer bolodi mu kukanikiza, ntchito kulekanitsa gulu lililonse lotayirira Book (amatanthauza mkuwa, filimu ndi wosanjikiza wamkati wa Bukhu, etc.). Chitsulo chachitsulo cholimba kwambiri ndi AISI 630 (kuuma mpaka 420 VPN) kapena AISI 440C (600 VPN) chitsulo cha alloy, pamwamba sichingokhala cholimba kwambiri, komanso chopukutidwa bwino kuti chikhale galasi, chikhoza kukanikizidwa mu gawo lapansi lathyathyathya kapena bolodi. . Chifukwa chake, imatchedwanso Mirror Plate, yomwe imadziwikanso kuti Carrier Plate. Zofunikira za mbale iyi yachitsulo ndizovuta kwambiri, pamwamba pake sayenera kuwoneka zokanda, zotupa kapena zomata, makulidwe akuyenera kukhala yunifolomu, kuuma kuyenera kukhala kokwanira, ndipo kumatha kupirira kutulutsa kwamankhwala komwe kumapangidwa ndi kutentha kwambiri. Mtengo wa mbale iyi yachitsulo ndi yokwera mtengo kwambiri chifukwa imatha kupirira maburashi amphamvu pamakina pakanikizidwa kulikonse.

13. Sindikizani Kupyolera

Mphamvu yamphamvu (PSI) yomwe imagwiritsidwa ntchito pamene mbale ya laminated ndi yaikulu kwambiri, kotero kuti ma resin ambiri amachotsedwa mu mbale, zomwe zimapangitsa kuti khungu la mkuwa likhale loponderezedwa mwachindunji pa nsalu ya galasi, ndipo ngakhale nsalu ya galasi imaphwanyidwa ndi kupunduka. kuti makulidwe a mbale ndi osakwanira, kukula kwake kukhazikika bwino, ndipo mzere wamkati umakanikizidwa kunja kwa mawonekedwe ndi zolakwika zina. Zikavuta kwambiri, maziko a waya nthawi zambiri amalumikizana mwachindunji ndi nsalu yagalasi, ndikuyika “Conductive glass fiber” kutayikira. CAF). Yankho lofunikira liri molingana ndi mfundo ya Scaled Flow, kukanikiza kwakukulu kwa malo kumayenera kugwiritsa ntchito mphamvu yayikulu, mbale yaing’ono pamwamba imagwiritsa ntchito mphamvu yaing’ono; The Pressure and Force of field operation are counted using 1.16PSI/in2 or 1.16Lb/in4 as baseline.

14. Relamination (RE-LAM) laminated mbale

Wosanjikiza wamkati wa gawo lapansi woonda, amapangidwa ndi ogulitsa gawo lapansi ntchito filimu ndi mkuwa mbamuikha pamodzi, dera bolodi fakitale anagula gawo lapansi woonda wopangidwa ndi bolodi mkati dera, komanso ndi filimu akanikizire kupanga multilayer bolodi, nthawi zina nthawi zambiri kutsindika wapadera ndi amatchedwa ” adapanikizidwanso pamodzi”, yotchedwa re-LAM. M’malo mwake, ndi mawonekedwe chabe a “Draven” ya plywood laminated, yopanda tanthauzo lina.

15. Resin Recession, Resin Retreat

Sangweji mbale mu B – siteji ya utomoni filimu kapena BoJi bolodi (bwanji) m’mbuyomo, sanathebe anaumitsa kwathunthu pambuyo kukanikiza (ndiko, kusowa digiri polymerization), lembani dzenje pa malata ndime, pamene kwa biopsy, anapeza kuti khoma lamkuwa la dzenje kuseri kwa kusowa kwa utomoni wina wa polymerization, udzawoneka kuchokera ku khoma lamkuwa kupita ku chopanda kanthu, “kuchepetsa utomoni” kumatanthauza. Chilemachi chiyenera kutchulidwa ngati vuto lalikulu la ndondomeko kapena mbale, yomwe ndi yoopsa kwambiri kuposa zowonongeka zapamtunda, ndipo chifukwa chake chiyenera kufufuzidwa mosamala.

16. Mayeso Oyenda Oyenda

It is a method of detecting the amount of glue in the film (Prepreg) when the laminate is pressed.Ndi njira yoyesera ya Resin Flow pansi pa kutentha kwambiri komanso kupanikizika kwambiri. Onani gawo 2.3.18 la IPC-TM-650 kuti mumve zambiri, ndipo onani PCB Information Journal, No. 14, P.42 kuti mumve zambiri

17. Separator Plate, mirror Plate

Pamene mbale yoyambira kapena mbale ya multilayer ikanikizidwa, chitsulo chosapanga dzimbiri cholimba (410,420, etc.) chomwe chimagwiritsidwa ntchito kulekanitsa Mabuku mu Kutsegula kulikonse (Masana) osindikizira ndi. Pofuna kupewa kumamatira, pamwamba pake amachitidwa mwapadera kuti akhale ophwanyika komanso owala kwambiri, choncho amatchedwanso Mirror Plate.

18. Sequential Lamination

Amatanthawuza Kulumikizana kwa zigawo za bolodi la multilayer lomwe limapangidwa osati nthawi imodzi koma nthawi yomweyo mu mawonekedwe a mabowo akhungu kapena okwiriridwa. Njira imeneyi akhoza kupulumutsa padziko bolodi ayenera mokhomerera kunja dzenje zonse. Ma board owonjezera atha kupezeka kuti awonjezere kuchuluka kwa mawaya ndi ma SMDS, koma njira yopangira idachedwa kwambiri.

19. Njala guluu

Mawu mu gulu gulu makampani, wakhala ambiri ntchito multilayer bolodi kugwirizana “kusowa guluu” Njala vuto mawu. Amatanthauza utomoni otaya zoipa, kapena kukanikiza mikhalidwe ndi zosayenera, chifukwa akamaliza multilayer bolodi, mbale thupi la m`deralo kusowa guluu.

20. Mzere Wosambira umachoka

Kusambira kumatanthawuza kusuntha kwa mkati mwa bolodi la multilayer panthawi ya kupanikizana. Izi zikugwirizana kwambiri ndi kutalika kwa “Gel Time” ya filimu yomwe imagwiritsidwa ntchito. Pakalipano, makampaniwa amakonda kugwiritsa ntchito Gel Time yochepa, choncho vutoli lachepetsedwa kwambiri.

21. Telegraphing yoyandama yosindikiza, yobisika yosindikiza

Pofuna kupewa vuto la guluu kusefukira, filimu yosagwira kutentha (monga Tedlar) imawonjezedwa pachojambula chamkuwa kapena mbale yopyapyala ya zinthu zobalalika zomwe zapakidwa, kuti zithandizire kugwiritsa ntchito kuvula kapena kupunduka pambuyo pake. kukanikiza. Komabe, pamene filimu yogwiritsidwa ntchito pa mbale yakunja imakhala yochepa kwambiri ndipo zojambula zamkuwa zimakhala ndi 0.5 oz, mawonekedwe ozungulira a mbale yamkati akhoza kusamutsidwa ku pepala lotulutsidwa pansi pa kupanikizika kwakukulu. Pepala lobowola likagwiritsidwanso ntchito pama board, limatha kuyandama pamkuwa pa bolodi latsopanolo, chodabwitsachi chimatchedwa Telegraphing.

22. Kutentha Mbiri

M’magawo a board board mukamakanikiza, kapena kumtunda kwa infuraredi kapena kutentha kwa mpweya wowotcherera (Reflow), onse amayenera kufunafuna kutentha (mozungulira) ndi nthawi (yopingasa) yofananira ndi “mapindikira” abwino kwambiri, kuti apititse patsogolo khalidwe la solder pakupanga kwakukulu.

23. Vacuum Lamination

Mawuwa nthawi zambiri amawonekera mumakampani a PCB mu mgwirizano wa filimu wowuma ndi wowuma. The Vacuum pressing of multilayer board amagawidwa mu Vacuum outer Frame (Vacuum Frame), yomwe ndi “kupopera njira” ndi makina oyambirira a hydraulic press, ndi Vacuum chamber (Autoclave), yomwe ndi “pressure method” pogwiritsa ntchito makina apamwamba. kutentha ndi kuthamanga kwa carbon dioxide. Hydralic Vacuum Pressing imatenga 90% ya msika chifukwa cha zida zake zosavuta, mtengo wotsika mtengo komanso ntchito yabwino. Chotsatiracho ndi chifukwa chakuti zipangizo ndi ntchito zimakhala zovuta kwambiri, ndipo voliyumuyo ndi yaikulu kwambiri, kuphatikizapo mtengo wazinthu zofunikira komanso zokwera mtengo, kotero kukhazikitsidwa sikokwanira.

24. Makwinya, Makwinya

Nthawi zambiri amatanthawuza kupanikizika pamene kutuluka kwa guluu kuli kwakukulu kwambiri. 11. Makwinya Amayambitsa Makwinya, omwe amachititsa kuti kunja kwake kukhale kofooka pang’ono mu mphamvu ndi kulimba, monga zojambula zamkuwa za 0.5oz zomwe zimadziwika kuti Wrinkle. Mawuwa amagwiritsidwanso ntchito m’madera ena.