Kugadzira PCB Yakagadzirwa Nemaburi Akapetwa Nepamusoro

Highleap Electronics inopa mibvunzo pamusoro pekugadzirwa kwePCB ine chiyero chepamusoro uye makotesheni ekugadzira magadzirirwo anosanganisa mapuranga akakora nemaburi madiki akaboorwa kana zvinodiwa zvakanyanya zvemaburi akaputirwa. Kana mutengesi wekare akaramba dhizaini yako nekuda kweukobvu hwebhodhi, dhayamita yemaburi kana kunetseka kweplating, titumirei tafura yestackup neyedrill kuti tiongorore kuvakwa kwayo.

Kuti uwane mutengo wePCB une chiyero chepamusoro , ukobvu hwebhodhi, dhayamita yekuboorera, saizi yegomba rakapedzwa, rudzi rwegomba, zvinodiwa nemhangura uye hurongwa hwekuongorora zvinofanirwa kutsanangurwa pamwe chete. Kugona kwechiyero chechikamu kunoenderana nemaitiro; nhamba yepamusoro hairatidzi kuti saizi yega yega yegomba, laminate uye zvinodiwa nemhangura zvinogoneka. Highleap inoongorora chivakwa chaicho isati yasimbisa nzira yakakodzera yekugadzira.

Chii chinonzi High Aspect Ratio PCB Kugadzira?

Pane zvinhu zviviri zviri kushanda pabhodhi rine zvidimbu zvakawanda, uye kuzvibatanidza ndicho chikonzero chinowanzoita kuti vanhu vasanzwisisane nemugadziri wezvinhu.

Kune gomba rakaputirwa, chiyero chechimiro chechimiro chinoverengerwa kubva pakukora kwebhodhi kwakakamurwa nedhayamita yegomba rakapedzwa. Semuenzaniso, bhodhi rine ukobvu hwe 1.6 mm rine gomba rakapedzwa re 0.20 mm rine chiyero chechimiro che 8:1. Microvias dzinoshandisa geometry yakasiyana uye nzira yekushanda: chiyero chadzo chekudzika kusvika padhayamita chinofanira kuongororwa uchishandisa kudzika kwe dielectric uye dhayamita, uye miganhu yadzo haifanirwe kuenzaniswa zvakananga nemiganhu yedhayamita yedhayamita.

Matambudziko eKuchera PCB neCopper Plating

Matanho matatu ekuita zvinhu anoderera sezvo chiyero chichiwedzera, uye anoderera nekuda kwezvikonzero zvakasiyana zvemuviri.

• Kuchera. Buri refu riri mucomposite laminate rinoita kuti chidhiraivho chifambe-fambe uye rinoita kuti girazi ribudise padivi rekubuda, iro riri burr rekare. Kuboorwa kwemakomba madiki muzvinhu zvakakora kunoganhurirwa nechiyero chinogona kubatwa ne drill geometry nemidziyo pasina kutsauka.
• Kuputira. Bhavhu rekugezera rinofanira kunyorovesa madziro ese egomba. Mugomba rakamanikana, rakadzika, kuchinjana kwemvura pasi pegomba kunononoka uye kupararira kwemhangura hakuna kufanana, saka ukobvu hwemhangura pasi pegomba hunogona kutetepa kupfuura pamusoro. Uku ndiko kukanganisa kunozopedzisira kwava kutadza kuvimbika.
• Kuzadza, kana zvataurwa. Kuzadza chinhu chakasiyana nekuisa maburi mugomba uye chinounza zvinhu zvayo, kudzima maburi uye zvirambidzo zvekushanda. Nzira yakakodzera yekuzadza inoenderana nejometri yegomba uye mashandisirwo aro; musafunge kuti maburi ese ane chiyero chepamusoro anofanira kuzadzwa.

Muganho unoshanda hausi nhamba imwe chete, nekuti zvinoenderana nedhayamita yegomba, ukobvu hwebhodhi, kemikari yekuisa plating uye kana via inofanira kuzadzwa. Mugadziri wemba anotora muganho wemaitiro ake ega. Nhamba inokosha pakugadzira kwako ndiyo yekubatanidza saizi yegomba nehukobvu hwaunoda, uye inofanira kusimbiswa nekunyora pane kungofungidzirwa kubva pane runyorwa rwekugona.

High Aspect Ratio PCB Via rating Quality uye Kuvimbika

Kuenzana kwemapuratifomu mukati me deep via inyaya yekuvimbika, kwete yekushongedza. Platifomu yakaputirwa ibhora remhangura rine buri mukati maro, uye nzira yemagetsi nekupisa inopfuura nepamadziro ebhare. Kana rusvingo rwakatetepa pasi pebharefomu, bharefomu ine simba rakaderera uye resistance yakakwira kupfuura dhizaini inofungidzirwa, uye inopisa zvakanyanya kana yakaremerwa.

Migumisiro mitatu chaiyo inotevera, uye yakakodzera kuenzaniswa nenhoroondo yako yekukundikana:

• Kukwanisa kwemagetsi kwakaderera pakati pemurwi. Simba rinoonekwa rakakwana papepa rinogona kunge rakaganhurirwa pakupisa pakati pebhodhi apo mhangura yakatetepa zvakanyanya.
• Kukundikana kwekuyedza kushushikana kwekubatanidza zvinhu kusingaenderane nenzvimbo yekukanganisa. Bhareni risina kuputirwa kazhinji harionekwi pamusoro. Kana mapuranga ako akakundikana bvunzo yekumanikidzwa kwekubatanidza pamabhawa anotaridzika zvakanaka, uyu ndiwo mukana wekutanga.
• Kushanda zvisina kunaka kwekupisa muzvivharo zvekupisa zvakazara. Kusavapo kwechinhu chakazadzwa, kana kuti jira rakatetepa repurasitiki, kunoderedza nzira yekupisa yaunoda. Izvi zvinoonekwa senzvimbo inopisa mumifananidzo yekupisa kwete sekutadza kushanda kwebhodhi.

Nheyo huru dziri shure kwehunhu hwemaburi akaputirwa dzinotaurwa mukufunga kwedu kwekuvimbika kwePCB , uye bvunzo chaiyo inobata pasi pemabhureki inokurukurwa mukuyedza kwedu kushushikana kweinterconnect (IST) . Kuvandudza mhedzisiro kazhinji inyaya yedhizaini uye sarudzo dzemaitiro dzinotaurwa mukuvandudza kwedu kuvimbika kwePCB.

Dhizaini yePCB Stackup yeHigh Aspect Ratio Through-Holes

Kana bhodhi rakakora zvakanyanya kupfuura saizi ye via, pane nzira ina dzakakodzera. Imwe neimwe ine mutengo wayo, uye sarudzo chaiyo inoenderana nekuti ndeipi miganhu chaiyo.

Pane imwe sarudzo yechishanu inowanzova yakachipa: tarisa kana chiyero che "aspect ratio" chiri icho chinosunga, kana kuti chiri chinodiwa chekuputira . Mamwe magadzirirwo haaganhurirwi nekuboorwa asi nechinodiwa chekuzadza nekuputira pamusoro pe "via", chinova muganho wakaoma kupfuura kubhoorwa chete. Maitiro akakodzera anotsanangurwa mu " via filling" yedu uye "copper plating" uye mu "blind and bidden via page".

High Aspect Ratio Through-Holes vs HDI Microvias

Pabhodhi rinovaka, chiyero chinogumira chinowanzova microvia kwete gomba rinopinda naro. Microvia inoboorwa kubva pamusoro mumwe chete ichipinda mulaminate, uye inofanira kuputirwa uye kazhinji kuzadzwa, nedhayamita diki kupfuura iyo inogona kutakura dhiraimi remuchina.

Zvinhu zviviri zvinoita kuti microvia stack iome kupfuura zvinoratidzwa ne aspect ratio yayo. Chekutanga ndechekuti microvia haina kusimba, saka plating inofanira kunge yakafanana pamadziro ane zvinhu zvakasimba pane kuvhurika kumativi ese, uye pasi pebharero ndipo panowanzoita plating voids. Chechipiri ndechekuti murwi we microvias unovakwa pamusoro pechivakwa chakaunganidzwa apo huremu hwemhangura parukoko hwakakwira zvichienzaniswa ne via diameter.

Mutemo unoshanda ndewekuti microvia stack ine mazinga maviri kana matatu inguva dzose, uye nhanho imwe neimwe yekuwedzera inowedzera kutenderera kwelamination uye kutenderera kweplating ine njodzi yayo yekukohwa. Kana dhizaini ichida stack yakadzika kuchengetedza nzvimbo ye routing, zvakakodzera kuongorora nhamba ye layer zvichienderana nezvinodiwa zve routing zvakananga, nekuti zviviri izvi zvinowanzo tengeserana. Kutengeserana kwedhizaini kwakanyorwa muHDI stackup design yedu uye build sequence mu sequentially lamination yedu yemaHDI boards.

Kugadzira PCB Gobvu Nemaburi Madiki Ekuboorera

Bhodhi gobvu rine mhangura inorema ndiro musanganiswa apo matambudziko ehuwandu hwezvinhu uye matambudziko ekupisa anosangana, uye ndipo panowanzo shandiswa quotes pakati pevatengesi.

Chikonzero ndechekuti mhangura inorema inofanira kuiswa mubhare, uye kuisa bhare kusvika pahuremu hwemhangura inorema mugomba rakadzika kwakaoma kupfuura kuiisa pahuremu hwakajairika. Nguva yekuiisa yakareba, makemikari ekugezera anosundidzirwa zvakanyanya, uye njodzi yekuti bhareti rive risina chinhu kana pasi patete inowedzera. Pabhodhi re3.2 mm rine mhangura ye4 oz, musiyano uripo pakati pekuvaka kwakanaka nekwepakati kazhinji inyaya yekutarisira kutenderera kwebhareti pane chero chinhu chakataurwa nemugadziri.

Matanho matatu ekugadzira anoderedza kuoma:

• Shandisa dhayamita yakakura kwazvo iyo footprint inobvumira pane diki. Pabhodhi remagetsi izvi zvinowanzova zvemahara, nekuti zvinodiwa nerin'i yeannular ring zvinoenzana neboorero chero zvakadaro.
• Usazadze magetsi kunze kwekunge nzira yekupisa ichida izvozvo. Kuzadza kunowedzera danho rekuyerera rakaomarara muhuwandu hwepamusoro, uye zvinobvisawo kugona kwekutarisa bharero nemaziso. Bharero rakavharirwa kana risina kuzadzwa rine simba rakawanda kupfuura rakazadzwa nemhangura rine nzvimbo isina chinhu mairi.
• Chengeta yunifomu yehuremu hwemhangura iri mubhodhi rese pane kusanganisa machira anorema neakareruka muchimiro chimwe chete, nekuti shanduko yega yega yehuremu hwemhangura idenderedzwa rakasiyana replating rine kushivirira kwakasiyana kweukobvu.

Kuchera shure ndiyo mhinduro yakajairika kune stub yakasiyiwa neblind via mudhizaini inokurumidza, uye inokurukurwa muPCB backdrilling yedu . Kuchera shure pachako kunobvisa zvinhu kubva kumashure kwegomba, saka kunoderedza zvishoma kureba kwebhare rinoshanda uye kunoda kuverengerwa mutsanangudzo yekudzika kwete kutorwa sepfungwa yakasiyana.

Zvinhu zvePCB zveHigh Aspect Ratio Through-Hole Plating

Pabhodhi gobvu, kusawirirana kwekuwedzera kwekupisa pakati pemhangura nelaminate kunova nhamba yakakura, nekuti mhangura inofamba zvakanyanya kupfuura kukwirira kwebhodhi. Bhodhi rinorarama panguva yekupisa papepa rinogona kuramba richikundikana pakubatana pakati penzvimbo yemhangura yakakura nelaminate iri pedyo kana sisitimu yezvinhu isina kusarudzwa.

Sarudzo dzakakodzera ndeidzi:

• Tg ndiyo tembiricha iyo resin inotanga kupfava. Bhodhi rinoona kusonera richiyererazve panguva yekuungana, kana kuti nzvimbo yaro iri kushanda, rinoda Tg zviri nyore kupfuura iyo.
• Td ndiyo tembiricha yekuora, uye inhamba ine revo kupfuura Tg yebhodhi remhangura rinorema nekuti inoratidza muganho unochengetwa nezvinhu panguva yekudzvanya.
• CTE, uye kunyanya CTE iri munzira yekukora, ndiyo parameter inodzora kuti bhodhi rinopfava zvakadii nekupisa. Pabhodhi gobvu, CTE isina kusimba inoenderana zvakanaka nemhangura inoderedza kushushikana panzvimbo inotangira delamination.
• Kuramba kweCAF Zvinokosha kana bhodhi richizoshandiswa mumamiriro emvura ine simba rakawanda, nekuti tambo inofambisa mhepo inokura pakati pe via ne ground plane zvinoparadzaniswa ne laminate.

Kusarudzwa kwezvinhu zvinodiwa izvi kunowanikwa muzvinhu zvedu zvePCB zvine Tg yakawanda , kuenzanisa kwakakura mugwaro redu rekusarudza zvinhu zvePCB, uye nzira yekukundikana ine hunyoro mune peji redu reCAF rinodzivirira zvinhu. Kukundikana kwekufamba kwemhepo pamabhandi akakora ndizvo zvinowanzoita kuti mabhodhi arambwe pakuongorora kwekupedzisira, izvo zvinotsanangurwa mupeji redu rekubvisa maPCB.

Kuedza High Aspect Ratio PCB Yakafukidzwa Nemaburi

Pakuvaka kwehuwandu hwepamusoro, hurongwa hwekusimbisa hunokosha sekuvaka. Idzi ndidzo nzira dzinowana zvikanganiso zvinokonzereswa nemaitiro aya, uye imwe neimwe ine chinangwa chayo.

Musiyano uri mukoramu yekupedzisira unokosha kana uchienzanisa zvirevo zviviri. Chirevo chinoratidza kuongororwa kweX-ray chete hachina kukuratidza hunhu hwebharero. Chirevo chinotsanangura microsection pachirongwa chemuenzaniso chakatsanangurwa chakuratidza kuti chiyero chichasimbiswa sei. Nzira dzekuyedza uye zvakanakira imwe neimwe zvinoenzaniswa munzira dzedu dzekuongorora PCB kana uchida mufananidzo wakakura, uye divi rekuboorera remaitiro acho riri mugwara redu rePCB rakaboorwa nelaser.

Zvinodiwa zvePCB Quote: Ukobvu hweBhodhi uye Saizi yeDrill

Mashoko ebhodhi rine chiyero chepamusoro anoreva chete kana akatorwa achipesana nejometri chaiyo. Mashoko mana anobvisa kusanzwisisika kwese:

• Ukobvu hwebhodhi uye nhamba yerukoko, nechikamu chakaunganidzwa chinoratidza panochinja huremu hwemhangura.
• Faira rekuboorera, kana kuti dhayamita diki uye hombe dzemaburi uye dhayamita yeburi. Iri ndiro faira rinonyanya kubatsira kune mugadziri, uye mugadziri anorikumbira asati ataura anenge achikuudza kuti anoda kutaura maitiro chaiwo.
• Kana maviasi akazadzwa, uye nei. Filled via ine muganho we aspect ratio wakaderera pane usina kuzadzwa.
• Chinodiwa chekusimbisa, sezvo microsection uye stress testing zvinowedzera mari nenguva zviri mukotesheni pane kuzowanikwa gare gare.

Kana mumwe mutengesi wekare akaramba kuvaka, zvakakosha kutaura izvozvo muRFQ pamwe chete nezvavakaramba. Kana kuramba kwacho kwaive muganho wechiyero cheaspect, mubvunzo wenzira yekugadzira uye unogona kunge uine mhinduro. Kana kuramba kwacho kwaive mutengo, izvozvo zvinopindurwawo. Chisingapindurwe kuvaka kunochinja chinyararire geometry kuti ienderane nemaitiro acho, ndosaka stackup ne drill file zvichikosha kupfuura bhodhi.

Mugadziri wePCB weHigh Aspect Ratio yeMabhodhi Makobvu uye Maburi Madiki

Highleap inogona kuongorora mapurojekiti ekugadzira PCB ane chiyero chepamusoro apo geometry yegomba rakaputirwa, zvinodiwa nemhangura uye laminate yakasarudzwa zvinoda kuongororwa pamwe chete. Kune vatengi vari kutsvaga mugadziri wePCB ane chiyero chepamusoro , kuenzanisa kunobatsira ndekwekuti mutengesi anogona here kutsigira musanganiswa webhodhi-ukobvu-ku-gomba-dhayamita uye kuona kuvakwa kwegomba-madziro kwapera—kwete kungoona kana "chiyero chepamusoro" chiripo papeji yekugona.

Kana paine PCB gobvu ine maburi madiki ekuboorera , ipai ukobvu hwebhodhi, dhayamita yekuboorera, dhayamita yegomba rakapedzwa, huwandu hwemaburi, huremu hwemhangura, huwandu hwemaburi, zvinhu zvelaminate uye mwero wekugamuchirwa unoshanda. Isai microsection, interconnect stress testing kana zvimwe zvinodiwa zvekuvimbika kana zviri chikamu chezvinodiwa pakutenga. Izvi zvinodiwa zvinogona kukanganisa hurongwa hwekuita, chiyero chekuyedza, nguva yekutungamira uye mutengo.

Kana dhizaini yacho iinewo ma-vias asina kuvharwa kana kuti akavigwa, ongororai zvese zvakagadzirwa kuburikidza nebasa rekugadzira reHighleap's HDI PCB. Kune mapurojekiti anotsigira kuvimbika, kuyedzwa kwekumanikidzwa kwekubatanidza uye zvinodiwa zvekuvimbika kwePCB zvinofanirwa kutaurwa muRFQ. Tumirai pakeji yakazara kuburikidza nechikumbiro chePCB quote.

• Pakeji yemutengo: mafaira ekuboorera, kuunganidzwa, ukobvu hwebhodhi, saizi yegomba rakaboorwa uye rakapedzwa, zvinodiwa nemhangura kubva pamadziro emaburi, kirasi yemhando yepamusoro uye bvunzo dzekuvimbika dzinodiwa.

Mibvunzo Inowanzo bvunzwa Nezvekugadzirwa kwePCB

Ndeipi aspect ratio inogona kuvakwa pabhodhi rakajairika rine layer yakawanda?

Zvinoenderana nedhayamita yegomba uye kuti via inofanira kuzadzwa here, uye mhinduro yechokwadi ndeyekuti mugadziri wezvinhu anofanira kutaura muganho wavo achienzanisa nemusanganiswa wako chaiwo pane kutarisana nemufananidzo wemusoro wenyaya. Nzira inoshanda ndeyekukumbira muganho pagomba rako diki uye paburi rako diki zvakasiyana, sezvo nhamba dzacho dzinowanzo siyana.

Ko bhodhi rakakora rinoda ma-via akakora here?

Zvinowedzera chiyero, asi kugadziriswa hakufanirwe kunge kuri kukuru. Ma-vias akavharika uye akavharika anoderedza kudzika kunoshanda, uye kupatsanura bhodhi kuita ma-sub-stacks kunobvisa dambudziko rekukora zvachose. Mubvunzo wekubvunza ndewekuti ndechipi chirambidzo chiripo: kuwanda kwenzira, kugona kwemagetsi, kana kuomarara kwemuchina.

Ko bhodhi rine aspect ratio yepamusoro rinogona kuzadzwa ne copper paste here?

Ehe, asi muganho wehuwandu wakaderera pane wemuchina usina kuzadzwa, nekuti muchina unofanira kuyerera zvakadzama mubharero usingasiye chinhu chisina chinhu, uye chinhu chisina chinhu mubharero rakadzika zvakaoma kuona mushure mezvo. Kana kuzadza kusingadiwe panzira yekupisa, muchina usina kuzadzwa wakanyanya ndiyo sarudzo yakavimbika.

Ko chiyero cheaspect chinokanganisa nguva yekutora chikamu here?

Zvinogona. Kuboora kwakaoma kunoderedza huwandu hwemabhodhi anogona kugadzirwa nedenderedzwa rimwe chete rekuboora, uye mhangura inorema mumadhiramu akadzika inorebesa denderedzwa rekuputira. Izvi zvinokanganisa kuronga nguva yemugadziri, kwete nzira yekureva maitiro anononoka nemari imwe chete.

Dhizaini iripo inogona kugadziriswazve here kuderedza chiyero cheaspect?

Kazhinji, hongu. Kuchinja gomba rinopinda nepakati kuita blind via, kuwedzera dhayamita diki, kana kutamisa jira rimwe renzira kuenda kune rimwe divi rebhodhi zvese izvi zvinogadziriswa zvakajairika. Zvakakosha kukumbira mugadziri wezvinhu kuti aongorore stackup asati azvipira kuvaka diki, sezvo kugadzirisa kwacho kunowanzova kudiki uye mutengo wekusaiwana uri panel yakaraswa.