Kugadzirwa kweVIPPO PCB yeBGA neThermal Pad Designs

Highleap Electronics inopa VIPPO PCB yekugadzira magadzirirwo anoda zvivakwa zve-in-pad zvine fill yakatsanangurwa uye pamusoro peplate-over. VIPPO inowanzo tsanangurwa pasi pema package e-fine-pitch BGA kana LGA, ma exposed thermal pads uye dense layouts uko ma open-or tent vias akajairwa asina kukodzera. Kana mutengesi wePCB yako aripo asingakwanise kuzadzisa zvinodiwa zve via fill, cap kana finished-pad, titumirei mafaira ekugadzira kuti tiongorore.

Mutengo wepamusoro weVIPPO PCB unofanirwa kutsanangura kuvakwa kwe via pane kuvimba neshoko rekuti "via in pad" chete. Kuburikidza nedhayamita, geometry yepad, rudzi rwekuzadza, chivharo chemhangura, planarity, surface finish uye zvinodiwa zvekuongorora zvese zvine chekuita nemutengo, nguva yekutungamirira uye mhedzisiro yekuunganidza. Highleap inoongorora ruzivo urwu ichifunga nezvekushandiswa kwaro kuitira kuti chivakwa chakanyorwa chienderane nechimiro chinodiwa.

Chii chinonzi VIPPO PCB Kugadzira?

VIPPO inomiririra Via-In-Pad Plated Over. Iyo via inowanikwa mukati mechikamu chepad, yakazadzwa uchishandisa maitiro akatarwa, yakarongwa sezvinodiwa, uye yakaputirwa nemhangura pamusoro kuti pave nenzvimbo inoenderera mberi yepad. "Vhura" haisi chikamu chechidimbu; inotsanangura mamiriro ekuvhurika kana ekuona uye inofanira kutsanangurwa yoga kana zvakakodzera.

• Nzvimbo iri mupad: nzira yacho iri mukati menyika yechikamu kwete parutivi payo.
• Zadza zvirevo: Zvinyorwa zvekudhirowa kana zvekugadzira zvinoratidza zvinodiwa kuti zvizadzike uye zvinodiwa kuti zvigamuchirwe; resin nezvizadziso zvinofambisa mvura hazvichinjiki.
• Pamusoro pevhu rakaputirwa: mhangura inoiswa pamusoro pechinhu chakazadzwa kuti igadzire nzvimbo inochinjika, inogoneka kusanganiswa. Kurongeka, kusimba kwechivharo uye kupedzisa kwenzvimbo zvinofanirwa kutsanangurwa pakushandisa.

Chikonzero chinoita kuti musiyano uyu uve wakakosha ndechekuti matanho akati wandei aya haafanirwe kutorwa mubhodhi rakajairika uye rimwe nerimwe rinowedzerwa rinochinja zvinofanirwa kudzorwa nemugadziri. A via inoboorwa uye inotenderwa haina mahara. Chimiro cheVIPPO chinoda kuzara kwakadzorwa, kurongwa kwemapuranga kana zvichidikanwa, chivharo chemhangura uye kutevedzana kwenzvimbo. Kuvhura kwemasikisi anotenderedza padhi rapera kwakatarwa zvakasiyana; hakufanirwe kuvhiringidzwa neakazaruka kana asina kuzadzwa. Mupi wezvinhu anogona kukuudza kuti "tinoita via mu padhi" uye zvinoreva shanduro yakazadzwa uye yakavharirwa, tended version, kana resin-plugged version, saka mazwi acho anofanira kunyorwa pasi mumifananidzo.

VIPPO vs Open Via uye Filled Via-in-Pad PCB Designs

Uyu ndiwo musiyano unowanzoita kuti chirevo chifambe. Mutsetse wega wega uri pazasi une chimiro chakasiyana chine nzira yakasiyana yekupisa, mutengo wakasiyana, uye njodzi yakasiyana yekukundikana.

Mutsara wechitatu chete ndiwo VIPPO chaiyo. Kana dhizaini ikati "via in pad, open" pasina kutaura kuti kuzadza chii, mugadziri anogona kupa chero ipi zvayo yeina. Gwaro redu rekuti via filling ne copper plating rinofukidza zvakadzama maitiro ekuzadza nekuvhara, uye musiyano uripo pakati penzira dzekuzadza resin nesimbi unotsanangurwa pane yedu resin-plugged via construction.

Sei Uchifanira Kushandisa Copper-Capped Via-in-Pad paBGA PCBs?

Pamuchina wekupisa, chinangwa inzira inofanotaurwa yekupisa kubva pamuchina uchienda muchimiro chemhangura yebhodhi. Nzira yakazadzwa zvakanaka uye yakafukidzwa inopa nzvimbo inogara ichisungirirwa uye inodzivirira nzira yekuputira solder ine maburi akavhurika ine nzira isina kuzadzwa. Kushanda kwemafuta kunoramba kuchienderana nezvinhu zvakazadzwa, kuburikidza nearray, zvidimbu zvemhangura zvakabatana uye stackup yakapoteredza.

Pfungwa imwe cheteyo inoshandawo kune RF. Nzira yekupinda yakavharirwa uye iri pakati penzvimbo yepasi idiki isina kugadzikana; nzira yekupinda yakazadzwa uye yakafukidzwa pamusoro ndeye copper inoramba ichienderera mberi. Mukugadzira uko nzira yekupinda inoiswa nemaune kuti iputse purani kana kugadzira stub inozivikanwa, pfungwa yekudzokera shure inoshanda uye nzira yekupinda inofanira kuvhurika, kwete kuvharwa, kuitira kuti chimiro chive chakatsanangurwa kwete netsaona.

Nekuti via yakavhurika, kupedzisa pamusoro kunova chinhu chinodiwa kwete chekushongedza. ENIG ndiyo sarudzo yakajairika ye via inosungirirwa, nekuti inoramba yakati sandara uye inosungirirwa kwenguva yakareba. ENEPIG inoshandiswa apo kushanda kwesimbi yesirivha inonyudzwa kunodikwa pamwe chete nepamusoro payo inonyudzwa. Sirivha inonyudzwa ichasviba mumhepo ine sarufa, izvo zvinokosha kana mapuranga akagara mudura asati aungana. Sarudzo yedu yekupedzisa pamusoro peRF uye microwave boards inofukidza izvi, uye sarudzo dzakajairika dzinoenzaniswa mumaitiro edu ekupedzisa pamusoro peENIG.

Maitiro Ekugadzira PCB yeVIPPO: Kuburikidza Nekuzadza uye Kuvhara Mhangura

Kurongeka kuri pazasi kunotsanangura kuti sei bhodhi reVIPPO risiri bhodhi rakajairwa rine noti yakabatanidzwa. Danho rega rega kutenderera kwakasiyana kune zvinodzora zvaro, uye kurongeka kwacho hakuchinjiki zviri nyore.

Zvinhu zviviri zviri mutafura iyoyo zvinosarudza kana maitiro acho achishanda. Chekutanga ndechekudzora kuzadza nekugadzirira pamusoro usati wavhara chivharo, izvo zvinokanganisa kunamira kwechivharo uye kuenzana kwacho. Chechipiri itsananguro yesolder-mask yakatenderedza pad yapera: kuvhura mask kunofanirwa kuenderana nepakeji yepasi, uye hakufanirwe kusiya masara emasiki asingadiwe pamusoro unosungirirwa. Hukama huripo pakati pekuzadza, chivharo nemasiki hunotsanangurwa zvakadzama pakugadzira kwedu HDI PCB.

VIPPO Yakazara neCopper vs Resin-Yakazadzwa neVispo

Kana dhizaini yacho ichida kuti pave nejira rakazadzwa, rakaputirwa pamusoro, chinhu chinozadzwa chacho chisarudzo chine mhedzisiro chaiyo. Sarudzo mbiri dzinozivikanwa isimbi neresin, uye hadzichinjiki.

• Kuzadza ne copper paste inogadzira mbiru yesimbi yakasimba. Inoita kuti kupisa nemagetsi zvipfuure, uye inogona kuputirwa zvakananga pamusoro payo. Inodzikira panguva yekusvina, saka gomba rinofanira kunge riri diki pane chinangwa, uye rinoda chimiro chekusvina chisingazokuvadzi laminate. Iyi ndiyo sarudzo chaiyo kana via ichifanira kutakura kupisa kana magetsi kupinda mukati mechikamu chemukati.
• Kuzadza resin Inovhara divi uye inogona kupa nzvimbo yekurongedza nekuvharira. Resin kazhinji haifambisi kupisa zvakanyanya kupfuura mhangura, saka nzira yekupisa inofanira kuongororwa zvichienderana nechinangwa chekugadzira pane kufunga kuti resin fill uye copper fill zvinoshanda zvakafanana.

Kune mamwe marudzi maviri. Kuburikidza nekuzadza nekuisa lamination kunoshandisa firimu rekuzadza mu prepreg kuitira kuti kuzadza kushandiswe mu press cycle imwecheteyo nekuisa lamination, inova ndiyo nzira yakajairika ye microvia structures mu sequentially builds. Sarudzo yekuzadza inozadza chete ma vias akasarudzwa pane panel ine zvese zvakazadzwa nezvisina kuzadzwa kuburikidza nezvivakwa, ndiyo nzira inoitwa bhodhi rine thermal vias pane imwe nzvimbo uye resin-sealed vias kune imwe nzvimbo. Kuchinjana kwe resin approach kunotsanangurwa papeji redu re resin plug hole, uye hunhu hwekuita hunoenderana ne sequence hwakatsanangurwa mu sequential lamination yedu yeHDI PCBs.

Zvinodiwa zveVIPPO PCB Assembly uye Soldering zveBGA

Kusungirira solder kunonyanya kukonzera dambudziko kana solder ikakwanisa kupinda muvhu rakavhurika kana risina kuvharwa zvakakwana. VIPPO pad yakazadzwa zvakanaka uye yakaputirwa yakagadzirwa kuti ipe nzvimbo inosungirirana inogara iripo. Njodzi yekuungana inogona kukonzerwa nekukanganisa kwechivharo, kudhirowa kwakawandisa, kusarongeka zvakanaka, geometry yepad isina kukodzera kana huwandu husina kunaka hwesolder-paste, saka mugadziri nemuunganidzi vanofanira kubvumirana zvinodiwa kuti vagamuchire vasati vagadzira kekutanga.

Kune nzira nhatu dzinodzorwa nadzo, uye dzinoshandiswa pamwe chete:

• Pedhi yakatsanangurwa uye kuburikidza nejometri. Taura uchishandisa dhayamita, saizi yepedhi, pitch uye chivharo chemhangura chinodiwa kuitira kuti pedhi rapera ritsigire chikamu chetsoka uye dhizaini yemasikisi anosungirirwa.
• Kudzikiswa kwekuvhara kwestencil papedhi. Stencil yepedhi rakavhurika inoderedzwa munzvimbo kuitira kuti vhoriyamu yekutanga yekusonesa ienderane nezvinodiwa nejoini, pane vhoriyamu inodiwa nenzvimbo yepedhi. Uku kudzora kwedivi rekubatanidza, uye kunofanirwa kubvumirana nemuunganidzi, kwete nemugadziri chete.
• Kuzadza, chivharo uye kusimbiswa kwehurongwa. Zvinhu zvakatarwa zvekuzadza, kusimba kwechivharo uye kurongeka kwenzvimbo zvakapedzwa zvinofanira kuongororwa zvichienderana nedhirowa. Sarudzo yakanakisisa yekuzadza inoenderana nezvinodiwa nemagetsi, kupisa, zvemakanika uye zvekuvimbika.

Mitemo yekugadzira inoita kuti izvi zvishande yakarongwa muRF PCB yedu kuburikidza nedhizaini , uye maitiro ekubatanidza anotsanangurwa mumaitiro edu ekubatanidza PCB . Kana dhizaini iine VIPPO uye nzvimbo inopisa inoda, zvakakosha kubvumirana nekudzikiswa kwestencil uye patani yekubatanidza nemuvaki neassembler pamberi pechinhu chekutanga, nekuti mativi maviri aya anofanira kunge akafanana.

Zvikanganiso zveVIPPO PCB Zvakajairika uye Njodzi dzeKuvimbika

Izvi ndizvo zvinhu zvisingagoni kuitwa neVIPPO kuti ikwanise kuongororwa nemaziso asi yozotadza kushanda.

• Zadza nzvimbo dzisina chinhu. Koramu ine nzvimbo isina chinhu pakati inoita zvinhu zvishoma pane zvinorehwa nemufananidzo uye haionekwi kubva pamusoro. Kana kushanda kwekupisa kuri iko kunokonzeresa dhizaini, ichi ndicho chikanganiso chinonyanya kukosha, uye ndosaka kudzora maitiro ekuzadza pane kutaridzika kwekuzadza chiri chinhu chekutaurirana.
• Kubviswa kwechivharo. Chivharo chinoparadzaniswa nechinozadzwa, zvichisiya nzvimbo isina chinhu panzvimbo yakanyanya kumanikidzwa muchimiro. Izvi zvinoonekwa sedunhu rakavhurika mushure mekutenderera kwekupisa.
• Zvikanganiso zvechivharo kana pamusoro. Kuisa ndiro, maburi, kupatsanurwa kwechivharo kana kusvibiswa kwechifukidziro chesolder papedhi rapera zvinogona kukanganisa kugona kwekusolder uye kuenzana kwayo. Maitiro ekugamuchira anofanira kusiyanisa dambudziko rekuzadza kubva padambudziko rekupedzwa kwepamusoro kana rekugadzira.
• Kushongedzwa kusina kukwana pajoini. Izvi zvinogona kukonzerwa nekugadzirwa kwestencil, vhoriyamu yekunamira, geometry yemapedhi kana magadzirirwo ekubatanidza. Kana uine VIPPO pad yakavharirwa zvakanaka, usafunge kuti kupwanya kwesolder ndiko kunokonzera pasina kuongorora jira rakapedzwa uye jira rekunamira.
• Kusvibiswa nemhangura isina chinhu uye ngura. Pedhi rakavhurika rakagadzirwa nemhangura isina chinhu isina dziviriro yemasiki. Kana dhizaini yacho iine nzira yakavhurika uye isina kupedzwa pamusoro, kana kuti ine nzira isingagone kusungirirwa, pedhi racho inzvimbo ine ngura.

Kusimbisa kuvimbika kwegomba rakaputirwa kunoratidzwa mukuyedza kwedu kushushikana kwekubatanidza (IST) , uye zvinhu zvakajairika zvekuvimbika kwegomba rakaputirwa zviri papeji redu rekuvimbika kwePCB.

VIPPO PCB Design Guidelines yeFine-Pitch BGA

Iyi ndiyo mitemo inosarudza kana bhodhi richigona kugadzirwa, uye rinofanira kugadziriswa basa racho risati raburitswa pane kuti riwanikwe panguva yekuongorora.

Kana nzira inopfuura pedyo kana kuti nepakati pechimiro chakavigwa kana kuti chakapofumara, kudyidzana pakati pemaitiro maviri kunofanira kuongororwa pane kufungidzira, uye izvozvo zvinofukidzwa papeji redu rakafukidzwa uye rakafukidzwa. Ongororo yakajairika yeunyanzvi inopesana nemitemo yakajairwa inowanikwa kuburikidza nePCB design yedu yekugadzira (DFM) review.

Mugadziri weVIPPO PCB weVias Dzakazadzwa uye Dzakaputirwa

Kune mapurojekiti ari kutsvaga mugadziri weVIPPO PCB , Highleap inogona kuongorora zvakazadzwa uye zvakavharirwa kuburikidza nechimiro, dhizaini yemapedhi akakomberedza uye zvinodiwa zvekuongorora. Mutengo unofanirwa kujekesa kana chivakwa chakakumbirwa chichishandisa resin fill, conductive fill kana imwe nzira yakatenderwa, uye kuti ndeapi matanho epamusoro-soro anoshanda. Izvi zvakakosha zvikuru pakugadzirwa kweVIPPO PCB yeBGA , uko kudzorwa kwemapedhi uye kudzora kwehuwandu hwesolder zvinogona kukanganisa goho remusangano.

Kuti uwane mutengo wePCB wakazadzwa uye wakavharirwa uchishandisa PCB , ipa faira rekudhirowa, kuburikidza nedhayamita, pitch, saizi yepad, kubatana kwelayer, board stackup, surface finish, fill specification uye chero mwero wekugamuchirwa kwevatengi. Kana bhodhi richizogadzirwa, isa BOM, pick-and-place file uye assembly drawing kuitira kuti zvinodiwa zvekugadzira neassembly zvikwanise kuongororwa pamwe chete.

Ruzivo rweHighleap's kuburikidza nekuzadza nekuisa mapurasitiki rwakakosha pakukurukurirana kwekuzadza nekuvhara, nepo kugadzirwa kweHDI PCB kwakakosha kana VIPPO iri chikamu chekuvaka kwakakora kana kuvaka. Kuti mugadzire turnkey, kurukurai nezvebhodhi nehurongwa hwekubatanidza kuburikidza nechikwata chedu chePCB assembly services.

• Pakeji yemutengo: Data reGerber/ODB++, faira rekuboorera, stackup, via/pad geometry, kuzadza uye chivharo, kupedzisa pamusoro, huwandu uye zvinodiwa pakuongorora.

Mibvunzo Inowanzo bvunzwa Nezvekugadzira PCB yeVIPPO

VIPPO yakafanana here neya via in pad?

Kwete. "Via-in-pad" inotsanangura nzvimbo ye via. VIPPO zvinoreva Via-In-Pad Plated Over uye inotsanangura via yakazadzwa ine pamusoro wakaputirwa. Zvinhu zvekuzadza, zvinodiwa nechivharo, kuvhura kwemasikisi uye kupedzisa kwenzvimbo zvinofanirwa kutsanangurwa zvakasiyana pamufananidzo wekugadzira.

Ko VIPPO inogona kusanganiswa nema "blind vias" here?

Ehe, asi maitiro maviri aya anopesana uye kutevedzana kwacho kunokosha. A via inozadzwa ne lamination inofanira kuzadzwa mu press cycle, uye blind via yakavigwa mu laminate imwechete ingangoda kuratidzwa uye kuputirwa mu cycle inotevera. Mabhodhi anosanganisa ese ari maviri aripo, asi anoda nzira yemaitiro nemaune pane murwi wemanotsi akazvimiririra.

Ko VIPPO inokanganisa here kuvharwa kwemambure akabatwa?

Inogona, uye kazhinji zvakanaka kune mambure emagetsi nepasi, nekuti via yakazadzwa uye yakaputirwa inoita sekoramu yemhangura yakasimba pane chubhu yakaputirwa ine core ye dielectric. Panet yechiratidzo che impedance inodzorwa, via yakazadzwa inopa impedance yakasiyana kune isina kuzadzwa, saka via modhi iri mu simulation inofanira kuratidza kuvakwa kwapera.

Mabhodhi anogona kubatanidzwa here mushure mekugadzirwa kweVIPPO?

Ehe. Mapedhi eVIPPO akagadzirwa zvakanaka akagadzirirwa kutsigira kusungirirwa kwezvikamu zvakananga pamusoro pechinhu chakaputirwa. Muunganidzi anofanira kuramba achiongorora geometry yepedhi, stencil aperture, solder-paste volume uye mazano epakeji yethermal-pad, kunyanya kune mapedhi makuru akavhurika kana mapakeji eBGA akapfava.

VIPPO inosimbiswa sei?

Nekupatsanura zvikamu zvakazadzwa pazvikamu zvemuenzaniso kuti utarise kuzadza nevharo, nekuyera kuenderera mberi uye kusimba kwekupisa uko dhizaini yacho inoenderana nazvo, uye nekutarisa padhi rakavhurika kuti uone kana paine masara emasiki. Ronga remuenzaniso uye nzira yekuyera zvinofanirwa kubvumirana mukotesheni pane kungofungidzira.