Kugadzira Ventec VT-47 PCB yekuvaka simbi dzine mhangura yakawanda uye dzakakora

Ventec VT-47 sisitimu ine simba reTg rakaderera, Z-CTE FR-4.0 inopa vagadziri sarudzo dzakafara dzepakati nemhangura dzema multilayer anoda kupisa zvakanyanya. Highleap Electronics inoshandisa VT-47 mukugadzira PCB ine mhangura yakawanda uko bhodhi rinoda kupisa kwakanyanya kupfuura FR-4 yakajairika uye kuvakwa kwayo kunogona kusanganisira zvikamu zvakakora, huremu hwakasanganiswa hwemhangura, zvinobatanidza zvinodzvanywa kana ma layer akasarudzwa ane mhangura yakawanda.

VT-47 haisi mhinduro yakajairika pamabhodhi emagetsi. Mhangura inorema ichiri kuda resin yakakwana, magirazi akakodzera, kuchekwa nekuputirwa kunodzorwa, kugoverwa kwemhangura kwakaringana uye miganhu chaiyo yekusatsetseka. Chinhu chacho chinopa puratifomu inokwanisa; kuunganidzwa kwakabudiswa uye maitiro ekugadzira zvinoona kana PCB yapera yakavimbika.

Nei Vatengi Vachitsanangura VT-47

Ventec inoratidza VT-47 se "phenolic-cured", "lead-free-compatible", "high-Tg FR-4.0" ine "low Z-axis expansion", "CAF resistance" uye "wide availability". Kuwanikwa kwakaburitswa kunosanganisira "cores" kubva pa0.05 mm kusvika 5 mm uye "copper foil" kubva pa1/4 oz kusvika 12 oz. "Range" iyoyo inoita kuti VT-47 inakidze kune magadzirirwo asingakwane "standard 1 oz, 1.6 mm" building.

VT-47 inokwikwidzana pakuchinja-chinja kwekuvaka uye kuvimbika kwekupisa, kwete pakuva laminate inorasikirwa zvakanyanya. Mapurojekiti anonyanya kukonzerwa nekurasikirwa kwekuisa anofanirwa kutanga nekusarudza zvinhu zvinokurumidza pane kusarudza VT-47 yeTg yayo.

Mhangura Inorema, Mabhodhi Makobvu uye Matinji Matete

Kuzadza ne resin ndiyo mubvunzo wekutanga wemhangura hombe

Kureba kukuru kwesimbi yemhangura kunobvisa resin panguva yekunyungudika. Kana sarudzo ye prepreg isingape kuyerera kwakakwana uye resin yakacheneswa, bhodhi rinogona kushaya simba re resin, kusashanda zvakanaka, kusavharwa zvakanaka kwesimbi kana kusiyana kweukobvu hwenzvimbo. Highleap inoongorora huwandu hwesimbi yemhangura nerukoko, zvitsuwa zvemhangura zvakaparadzana, nzvimbo dzakacheneswa uye magirazi asati ataura nezvekuvakwa kwesimbi.

Gwaro reheavy-copper stackup rinotsanangura kuti nei kungowedzera prepreg count kusiri mhinduro yakakwana. Resin yakawanda inokanganisa ukobvu hwakapedzwa, nzvimbo ye dielectric, impedance uye kugadzikana kwezvikamu.

Chinhu chekucheka uye nzvimbo inoderedza dhizaini

Mhangura yakakora haigone kushandisa fungidziro yemutsetse/nzvimbo yakafanana nemhangura ye 1 oz. Kucheka madziro emadziro, upamhi hwemuchina pachigadziko uye chifukidzo chesolder-mask zvinofanirwa kuongororwa. Chinodiwa chemhangura chinofanira kutaura mhangura yakapedzwa kana foil yekutanga pamwe nekuputira, nekuti izvo hazvisi tsananguro dzekutenga dzinochinjika.

Matinji matete anoda nzira yakasiyana yekubata nayo

Ventec inokurudzira mhangura yakagadziriswa kumashure kune mativi matete zvakanyanya nekuda kwekusasimba kwayo, ukuwo ichiratidza kushanduka kwesimba remakushe. Makushe matete anogona kuvandudza nzvimbo yekuparadzanisa mativi uye ukobvu hwese, asi anowedzera kubata, kunyoresa uye njodzi yekukuvara. Highleap ichasimbisa kana chimiro chepakati chakasarudzwa nemhangura chiripo uye chinoenderana nezvinodiwa nemutsara/nzvimbo.

Unyanzvi hwekugadzirira pamuviri uye hwekugadzira lamination

VT-47 stackup inofanira kuratidza core chaiyo, prepreg glass style, resin content, nominal pressed cruise uye copper treatment. Pama mixed-copper boards, press resipi inofanira kuzadza copper topography pasina kugadzira nzvimbo dzakawanda dzine resin kana drift ukobvu.

Kuenzana kwemhangura uye kutsetseka kwepaneru

Kurema kwemhangura kusina kuenzana uye kufukidzwa kwemhangura kusina kuenzana kunoita kuti bhodhi rive rakasiyana uye rive rakamanikana. Highleap inoongorora kuenzana kwelayer, copper balancing uye panel level isati yashandiswa. Kugamuchirwa kwe flat kunofanirwa kukodzera saizi yebhodhi, ukobvu, connector type uye magadzirirwo e connection pane kukopwa kubva kune chimwe chigadzirwa chisina hukama.

Kuchengetedza zvinhu uye kutonga kwekugadzirira

Mamiriro ekugadzirwa kwechinhu asati agadzirwa anokanganisa kuyerera kwemvura uye kupora kwayo. Chinhu chinofanira kuchengetwa uye kugadziriswa zvichienderana nezvinodiwa nemugadziri parizvino, neruzivo rwenzvimbo yacho uye kutonga kwehupenyu hwesherufu. Kune vanodzokorora maodha, kwakabva chinhu uye chivakwa chakatenderwa chinofanira kukiyiwa kuitira kuti kuvaka kwakazotevera kusachinje maitiro eresin pasina kuongororwa kweinjiniya.

Kuchera, Kuisa Mapuranga uye Kudzora Dimensional

Mabhodhi akakora anokudza njodzi yekuboorera nekuputira

Buri diki rakapedzwa kuburikidza nebhodhi gobvu rinogona kudarika chiyero chinoshanda kunyangwe laminate pachayo yakasimba. Highleap inoongorora dhayamita yekuboorera, mhando yekupinda/kubuda kwemidziyo, kubviswa kwesmear, kufukidza mhangura isina electro uye kugoverwa kwemapatani. Chirongwa chekugamuchira chinogona kusanganisira zvikamu zvidiki pahukuru hwegomba rakafanana nenzvimbo dzemhangura.

Mhangura inorema inochinja nzira yekuronga nekurongedza kugoverwa kwemagetsi

Mapurani makuru emhangura anogona kukanganisa kufanana kweplating uye etching. Kuba, kuba, dhizaini yepaneru uye huwandu hwemagetsi zvinogona kugadziriswa kuchengetedza kuenderana kwechinhu. Kana simba remagetsi rakakwirira riri iro chikonzero chekudiwa kwemhangura, dhizaini yacho inofanirawo kuongororwa pakukwirira kwekushisa kweconductor uye terminal interfaces; zvinhu zveTg hazvitsivi hunyanzvi hwemagetsi.

Kuvimbika kwekudzivirira muviri hakuna kufanana nekuvimbika kwekupisa

VT-47 iri panzvimbo ine resistance yeCAF, asi nzvimbo yekufambisa, hunyoro, bias voltage, kuchena uye kukuvara kwekuboorwa zvichiri kukosha. Chiratidzo cheTg chakakwirira hachifanirwe kushandiswa sehumbowo hwekuti marongerwo ese ane voltage yakakwira kana hunyoro hwakakwirira akachengeteka.

Humbowo hwePCBA Thermal Mass uye Hunhu

Mabhodhi emhangura akakora uye akakora anoda simba rakawanda panguva yekudzoreredza simba, kusungirirwa kwemafungu kana kusungirirwa kwechinhu chimwe chete. Nzvimbo yacho inofanira kupisa mhangura yakawanda uku ichidzivirira zvikamu uye ichidzivirira nguva yakawandisa pamusoro pemvura. Mabharero ekubatanidza nemapadhi ekupisa anogona kuda nzira yakakosha yekusungirirwa.

Kana Highleap ichipa PCBA, mutengo unogona kusanganisira kuwana zvikamu, dhizaini yestencil, SMT, THT, kusarudza kana kuputira mafungu, AOI, X-ray yemapakeji akakodzera, kuongororwa kwekutanga uye kuyedzwa kwebasa kana nzira uye chiyero chekugadzirisa chapihwa. Mabasa aya anotsanangurwa nepurojekiti; haafanirwe kutorwa kubva pakusarudzwa kwelaminate chete.

Muenzaniso: bhodhi remagetsi/rekutonga remaindasitiri rakasanganiswa-mhangura

Bhodhi rine zvidimbu gumi rinogona kushandisa ma power planes emukati e 4 oz, 1 oz signal layers uye 2 oz outer copper. Dhizaini yacho inofanira kupa dielectric resin yakakwana yekuzadza topography ye 4 oz uku ichichengetedza dielectrics dzakatetepa uye ukobvu hwese mukati mekushivirira. Highleap inogona kupa ma prepreg plies akawanda, copper balancing kana spacing changes. Kuwanikwa kwe copper yakawanda kunoita kuti kuvaka kukwanisike, asi dhizaini yepress ndiyo inosarudza goho.

Magungano anokwana nepress uye anorema anobatana

Mabhodhi eVT-47 akakora anowanzobatanidzwa nezvinobatanidza zvinodzvanywa kana kuti zvine simba guru. Dhayamita yegomba rakapedzwa, ukobvu hweplating, rutsigiro rwenzvimbo uye kutevedzana kwekuisa zvinofanira kutsanangurwa. Kutsiva chinobatanidza kana pini inoenderana nezvinodiwa kunogona kuchinja zvinodiwa nekanika kunyangwe kana dhizaini yePCB isina kuchinja.

Muganhu wekutarisira kupisa

High Tg uye low CTE zvinowedzera kuvimbika kwekupisa; hazviiti kuti FR-4 ive substrate ine conductivity yepamusoro. Kana kupisa kuchifanira kufamba nekukurumidza kubva pachishandiso kuenda kuchitsiko, funga nezve coin dzemhangura, thermal vias, simbi-core structures kana external heat spreader. Quotation inofanira kusiyanisa copper inotakura magetsi kubva kune zvinodiwa zvekupararira kwekupisa.

Zvinofanira kuratidzwa nemashoko akazara eVT-47

Mhinduro yacho inofanira kuratidza mhangura nerukoko, kugadzirwa kwe resin-fill kwakarongwa, fungidziro shoma dzechinhu, maburi/plani yekuisa maburi, hwaro hwekusatsetseka, kuongororwa kwakabatanidzwa uye fungidziro dzePCBA dzekupisa. Basa rekusarudza microsection, solder-float, X-ray kana functional-test rinofanira kutengwa mutengo wakasiyana kuitira kuti mutengi aone chiyero chaicho.

Njodzi yekugovera zvinhu uye dzimwe nzira dzakatenderwa

Kuwanikwa kwakapararira kwemusanganiswa wepakati/mhangura hakurevi kuti musanganiswa wese wepakati/mhangura unowanikwa nguva dzese. Pakugadzirwa kwakarongwa, Highleap inogona kusimbisa nguva yekutanga kwezvinhu uye kupa zano rekugadzira rimwezve rakatenderwa. Sarudzo dzakaenzana dzinofanira kuchengetedza kirasi yekupisa, kugona kwemhangura, maitiro ekudhinda uye magwaro evatengi, kwete mazwi chete ekuti "high Tg."

Mutengo, Zvimwe Zvinodiwa uye Kugadzirira Mutengo

Mitengo yeVT-47 inoenderana nenzvimbo yebhodhi, mashandisirwo echinhu, huremu hwemhangura, huwandu hwezvikamu, kuomarara kwekudzvanya, huwandu hwezvibooreso, nguva yekuputira, kupedzisa pamusoro uye zvinodiwa zvekuongorora. Mhangura inorema inogona kutora mari yakawanda kuburikidza nenguva yekugadzira uye goho kunyangwe kana premium yelaminate iri pakati nepakati.

Kana chimwe chinhu chingave chiri nani

• Tg-FR-4 yakajairika inogona kukwana mapuranga akareruka asina zvinodiwa zvakanyanya zvekupisa kana mhangura.
• Chiyero chemotokari cheCTE chakaderera kana chekuvimbika kwepamusoro chingasarudzwa kana kubvumidzwa kwevatengi uye kusimbiswa kwechinangwa chebasa kuchitungamira chirongwa.
• Chinhu chinorasikirwa zvishoma ndicho chakakodzera kana kurasikirwa kwekuisa, kwete kupisa kwakanyanya, kuri iko kunogumira.
• Kuvakwa kweIMS kana simbi-core kunogona kunge kuri nani kana kutamiswa kwekupisa kuenda kuchitsiko chiri chinhu chikuru chinodiwa. kuenzanisa mhangura inorema neIMS.

Ongororo yeRFQ

• Saizi yebhodhi uye huwandu
• Kuwanda kwezvikamu uye ukobvu hwese
• Mhangura nerukoko
• Mutsetse/nzvimbo diki
• Gomba diki rakapedzwa
• Nzvimbo dzinokwana simba remagetsi kana kuti dzine simba remagetsi rakawanda
• Surface kupera
• PCBA uye chiyero chekuyedza
• Chinodiwa chekupfava
• Zvinodiwa zvechitupa uye chikamu chidiki

Mibvunzo Inowanzo bvunzwa Nevatengi VT-47

VT-47 ipurasitiki ine mhangura here?

Iyi sisitimu ine Tg FR-4.0 ine mhangura yakawanda inogona kutsigira zvinhu zvakasarudzwa zvemhangura inorema. Dhizaini yapera ichiri kuda resin-fill, etch, plating uye thermal review.

VT-47 inogona kushandiswa here pamhangura ye 12 oz?

Ventec inoburitsa kuwanikwa kwemhangura kusvika kumaoz 12, asi kuwanikwa kwayo hakubvumidze otomatiki geometry yega yega ine layer yakawanda. Highleap inofanira kuongorora nzvimbo yemhangura, nzvimbo, ukobvu hwebhodhi uye nzira yekushanda kwayo.

VT-47 chinhu chinoderedza kurasikirwa here?

Kwete. Inosarudzwa zvakanyanya nekuda kwekuvimbika kwekupisa, kuwedzera kwakaderera kweZ-axis uye kuchinjika kwekuvaka. Mabhajeti mashoma ekurasikirwa nekukurumidza anoda kuenzanisa kwakasiyana kwezvinhu.

Ndeipi nzira inokurumidza yekuwana mutengo chaiwo?

Tumira mepu yemhangura, huwandu hwezvikamu, ukobvu, maburi madiki, huwandu uye humbowo hunodiwa. Mashoko iwayo anodzivirira kufungidzira kunotsausa kwe "mutengo pa square mita".

Ruzivo rwekutanga rwezvinhu: Ventec VT-47 laminate/prepreg data. Nhamba dzemugadziri ndidzo dzinoshandiswa pakuongorora; shandisa data remazuva ano uye chivakwa chakatenderwa kuti uwane zvinodiwa pakugadzira.