Nekukurumidza kuvandudzwa kwemagetsi emagetsi emagetsi uye magetsi ekukurukurirana modules, ekupedzisira-yakakora yemhangura foil circuit mabhodhi e12oz uye pamusoro zvishoma nezvishoma ave rudzi rweakakosha mabhodhi ePCB ane tarisiro yemusika wakafara, ayo akakwezva kuwedzera uye kutarisisa kwevagadziri;Nekushandiswa kwakakura kwe mapuranga edunhu akadhindwa mundima yemagetsi, zvinodikanwa zvekushanda zvemidziyo zviri kuramba zvichikwira nekukwira.Mapuranga edunhu akadhindwa haangope chete anodiwa emagetsi ekubatanidza uye kutsigirwa kwemichina yezvikamu zvemagetsi, asi zvakare zvishoma nezvishoma kupihwa mamwe Nemamwe mabasa, Ultra-yakakora yemhangura foil yakadhindwa mapuranga anogona kubatanidza masosi emagetsi, inopa yakakwirira ikozvino uye yakakwirira kuvimbika zvishoma nezvishoma yave yakakurumbira. zvigadzirwa zvakagadzirwa nePCB indasitiri uye zvine tarisiro yakakura.

Parizvino, vashandi vekutsvagisa nekusimudzira muindasitiri vakabudirira kugadzira a mativi maviri akadhindwa redunhu bhodhi ine hukobvu hwemhangura hwakapedzwa hwe10oz kuburikidza neyakaiswa nzira yekutevedzana kukora kwe electroplated mhangura inonyura + akawanda solder mask kudhinda rubatsiro.Zvisinei, kune mishumo shomanana pamusoro pekugadzirwa kwe-ultra-thick copper multilayer akadhindwa mapuranga nehupamhi hwemhangura hwakapedzwa hwe12oz uye pamusoro;chinyorwa ichi chinonyanya kutarisisa pane inogoneka chidzidzo chekugadzirwa kwe12oz Ultra-yakakora copper multilayer akadhindwa mabhodhi.Mhangura yakakora nhanho-nhanho inodzorwa yakadzika etching tekinoroji + kuvaka-up lamination tekinoroji, kunyatsoona kugadzirisa uye kugadzirwa kwe12oz Ultra-yakakora mhangura yakawanda yakadhindwa mabhodhi.

Manufacturing process

2.1 Stack up dhizaini

Iyi i4 layer, yekunze / yemukati cooper ukobvu 12 oz, maminitsi ehupamhi / nzvimbo 20/20mil, rongedza sepazasi:

2.1 Kuongorora kwekugadzirisa matambudziko

❶ Ultra-yakakora yemhangura etching tekinoroji (foil yemhangura yakanyanya-kukora, yakaoma kuisa): tenga yakakosha 12OZ yemhangura foil zvinhu, tora yakanaka uye isina kunaka inodzorwa yakadzika etching tekinoroji kuti uone kuiswa kweakanyanya-kukora maseketi emhangura.

❷ Ultra-yakakora copper lamination tekinoroji: Iyo tekinoroji yeimwe-sided redunhu-inodzorwa yakadzika etching nekutsikirira uye kuzadza inoshandiswa kunyatso kudzikisa kuoma kwekutsikirira.Panguva imwecheteyo, inobatsira kudzvanywa kwesilicone pad + epoxy pad kugadzirisa dambudziko re Ultra-gobvu copper laminate Zvinetso zvehunyanzvi zvakaita semavara machena uye lamination.

❸ Kunyatsogadzirisa kurongeka kwemaitiro maviri emutsara wakafanana wemitsara: kuyerwa kwekuwedzera uye kuputika mushure mekugadzirisa, kugadziriswa kwekuwedzera uye kubhadharwa kwekugadzirisa kwemutsara;panguva imwecheteyo, kugadzirwa kwemutsara kunoshandisa LDI laser yakananga kufungidzira kuti ive nechokwadi chekupindirana kweiyo girafu maviri.

❹ Ultra-yakakora mhangura yekuchera tekinoroji: Nekugadzirisa kumhanya kwekutenderera, kukurumidza kwekudya, kumhanya kwekudzoka, hupenyu hwekudhirowa, nezvimwe, kuve nechokwadi chekuchera kwakanaka.

2.3 Kuyerera kwemaitiro (tora 4-layer board semuenzaniso)

2.4 Maitiro

Nekuda kweiyo yakanyanya kukora yemhangura foil, hapana 12oz gobvu copper core board muindasitiri iyi.Kana iyo core board yakanyatso kukora kusvika 12oz, iyo yedunhu etching yakaoma kwazvo, uye etching mhando yakaoma kuvimbisa;panguva imwecheteyo, kuoma kwekutsikirira dunhu mushure mekugadzira imwe nguva kunowedzerawo zvakanyanya., Kutarisana nehombe yetekiniki bhodhoro.

Kuti ugadzirise matambudziko ari pamusoro, mune iyi yakanyanyisa-yakakora mhangura yekugadzirisa, yakakosha 12oz yemhangura foil zvinhu inotengwa zvakananga panguva yekugadzira dhizaini.Dunhu rinotora nhanho-ne-nhanho inodzorwa yakadzika etching tekinoroji, ndiko kuti, iyo foil yemhangura inotanga yakamisikidzwa 1/2 ukobvu kudivi reshure → yakatsikirirwa kuti igadzire gobvu remhangura Bhodhi → kunyorera kumberi kuti uwane iyo yemukati layer. circuit pattern.Nekuda kweiyo nhanho-ne-nhanho etching, kuoma kwe etching kunoderedzwa zvakanyanya, uye kuoma kwekudzvanya kunoderedzwa zvakare.

❶ Mutsara faira dhizaini
Maseti maviri emafaira akagadzirirwa kune imwe neimwe layer yedunhu.Iyo yekutanga yakaipa faira inoda kuratidzwa kuti ive nechokwadi chekuti dunhu riri munzvimbo imwechete panguva yekumberi / reverse control yakadzika etching, uye hapazovi nekukanganisa.

❷ Reverse kudzora zvakadzika etching yedunhu magirafu

❸ Sekondari redunhu magiraidhi kurongeka kwekutonga
Kuti uve nechokwadi chekuenderana kwemitsara miviri, kuwedzera uye kukosha kwekugadzirisa kunofanira kuyerwa mushure mekutanga lamination, uye kuwedzera kwemutsara uye kubhadharwa kwekugadzirisa kunofanira kugadziriswa;panguva imwe,

Iyo otomatiki kurongeka kweLDI laser imaging inovandudza kurongeka chaiko.Mushure mekugadzirisa, iko kurongeka kwechokwadi kunogona kudzorwa mukati me25um.

❹ Super gobvu mhangura etching quality control
Kuti uvandudze etching mhando yemaseketi emhangura akanyanya-akakora, nzira mbiri dze alkaline etching uye acid etching dzakashandiswa pakuenzanisa kuyedzwa.Mushure mekuisirwa, iyo acid-etched yedunhu ine madiki mabhura uye yakakwira mutsara upamhi hwechokwadi, iyo inogona kusangana nezvinodiwa etching ye Ultra-gobvu mhangura.Mhedzisiro yacho inoratidzwa muTafura 1.

Nezvakanakira nhanho-ne-nhanho inodzorwa yakadzika etching, kunyangwe kuomerwa kwelamination kwakadzikira zvakanyanya, kana iyo yakajairika nzira inoshandiswa palamination, ichiri kutarisana nematambudziko mazhinji, uye zviri nyore kubudisa yakavanzwa mhando matambudziko akadai lamination. mavara machena uye lamination delamination.Nokuda kwechikonzero ichi, mushure mekuedzwa kwekuenzanisa kwemaitiro, kushandiswa kwesilicone pad kudzvanya kunogona kuderedza laminating mavara machena, asi bhodhi yepamusoro haina kuenzana nekugoverwa kwemuenzaniso, iyo inokanganisa kuonekwa uye kunaka kwefirimu;kana iyo epoxy pad ichibatsirwawo, iyo yekutsikirira mhando inovandudzwa zvakanyanya, Inogona kusangana nezvinomanikidza zvemhangura yakakora.

❶ Super gobvu copper lamination nzira

❷ Super gobvu mhangura laminate mhando

Tichitarisa kubva mumamiriro ezvimedu zvelaminated, dunhu rinozadzwa zvizere, risina micro-slit bubbles, uye chikamu chose chakadzika-yakadzika midzi yakadzika mu resin;panguva imwe chete, nekuda kwedambudziko re-ultra-thick copper side etching, iyo yepamusoro mutsara wakafara zvakanyanya kupfuura yakatetepa mutsara wakafara pakati Painenge 20um, ichi chimiro chakafanana ne "inverted ladder", iyo inowedzera kubata kwekudzvanya, izvo zvinoshamisa.

❷ Tekinoroji yakakora yemhangura yekuvaka

Uchishandisa yataurwa pamusoro nhanho-nhanho inodzorwa yakadzika etching tekinoroji + lamination process, maseru anogona kuwedzerwa zvakatevedzana kuti uone kugadzirisa uye kugadzirwa kweakanyanya-yakakora mhangura akadhindwa mabhodhi;panguva imwecheteyo, kana iyo yekunze yekunze yagadzirwa, ukobvu hwemhangura hungori nezve approx.6oz, mukati meiyo yakajairwa solder mask process kugona, inoderedza zvakanyanya kuomerwa kwemaitiro ekugadzira masiki ekutengesa uye inopfupisa kutenderera kwekugadzirwa kwemasiki.

Ultra-yakakora copper drilling parameters

Mushure mekudzvanya kwakazara, ukobvu hwendiro yakapedzwa ndeye 3.0mm, uye ukobvu hwemhangura hwese hunosvika 160um, izvo zvinoita kuti zviome kuchera.Panguva ino, kuitira kuve nechokwadi chehutano hwekuchera, zvigadziro zvekuchera zvakagadziriswa zvakanyanya munharaunda.Mushure mekugadzirisa, kuongorora kwechidimbu kwakaratidza kuti kuchera hakuna kukanganisa senge misoro yezvipikiri nemakomba akakomba, uye mhedzisiro yacho yakanaka.

Summary
Kuburikidza nekutsvagisa kwemaitiro uye kuvandudzwa kweiyo yakanyanya kukora yemhangura yakadhindwa bhodhi, yakanaka uye yakaipa inodzorwa yakadzika etching tekinoroji inoshandiswa, uye iyo silicone pad + epoxy pad inoshandiswa kuvandudza kunaka kwelamination panguva yelamination, iyo zvinogadzirisa kugadzirisa kuomerwa kwekuisa iyo yekupedzisira-yakakora yemhangura wedunhu Matambudziko ehunyanzvi muindastiri, akadai seakanyanya-akakora laminate machena makwapa uye akawanda anodhinda kune solder mask, vakabudirira kuona kugadzirisa uye kugadzirwa kwe-ultra-thick copper multilayer yakadhindwa mapuranga;kuita kwayo kwave kuoneswa kuve kwakavimbika, uye yakagutsa vatengi' Special kudiwa kwemazuva ano.

❶ Nhanho-ne-nhanho kudzora yakadzika etching tekinoroji kune yakanaka uye yakaipa mitsara: zvinobudirira kugadzirisa dambudziko reyakanyanya-yakakora copper line etching;
❷ Yakanaka uye isina kunaka mutsara kurongeka kwekutonga tekinoroji: zvinobudirira kuvandudza kupindirana kwechokwadi kweiyo magiraidhi maviri;
❸ Ultra-yakakora mhangura kuvaka-up lamination tekinoroji: inonyatso ziva kugadzirisa uye kugadzirwa kweakanyanya-akakora mhangura akadhindwa mabhodhi.

Mhedziso
Ultra-yakakora yemhangura yakadhindwa mabhodhi anoshandiswa zvakanyanya muhombe-yemagetsi ekudzora ma modules nekuda kwekuita kwavo kwepamusoro-ikozvino conduction performance.Kunyanya nekuenderera mberi kwekuvandudzwa kwemabasa akazara, mabhodhi akadhindwa emhangura akakora anosungirwa kutarisana neMusika wakakura.Ichi chinyorwa chingori chekutarisa uye chekutarisa kune vezera.