Ventec VT-481 PCB yekuvimbika kusina mutobvu
Ventec VT-481 sisitimu ye FR-4.0 laminate uye prepreg ine mid-Tg, yakagadzirirwa kuungana kusina lead, kuwedzera kwekupisa kwe z-axis kwakaderera, kuramba kweCAF, uye kugadzirwa kwakasimba kwe multilayer. Inofanira kusarudzwa kana njodzi huru iri yekubatana uye kuvimbika kwekupisa—kwete kana dambudziko guru riri nzira refu inomhanya zvakanyanya.
Ruzivo rweveruzhinji rweVentec rwuripo pari zvino runoratidza VT-481 sechinhu cheDSC Tg che155°C chine 345°C Td, T260 inodarika maminetsi makumi matanhatu, T288 inodarika maminetsi makumi maviri nemashanu, 45 ppm/°C z-axis CTE iri pasi peTg, 220 ppm/°C pamusoro peTg, uye 2.6% kuwedzera kwez-axis kubva pa50–260°C. Matafura ekuvaka anoratidza kuti Drk neDf zvinosiyana zvichienderana negirazi uye huwandu hweresin; chivakwa che7628 chinomiririra Drk 4.30 pa1 GHz uye Df 0.014 pa1 GHz. Ichi chinhu chakatarisana nekuvimbika, kwete laminate yakaderera zvakanyanya.
Tanga Nenzira Dzekukundikana, Kwete Nhamba yeTg
Bhodhi rinogona kupasa bvunzo risati rasvika uye ringakundikana chete mushure mekusangana kana kutenderera mumunda. Kukundikana kunogona kuve kutsemuka mubharero rakapetwa, kupatsanurwa panosangana jira remukati, kucheka madziro pedyo neplane yemhangura, kubuda kweCAF pakati pemavias akapatsanurwa, kana warpage inovhiringidza BGA nekubatanidza. Maitiro aya anotungamirirwa nekusanganiswa kwekuwedzera kwezvinhu, geometry, maitiro, hunyoro, uye nhoroondo yekupisa.
| Kukundikana nzira | Vatyairi vekutanga | Nei VT-481 ichigona kubatsira | Izvo VT-481 isingakwanise kugadzirisa |
|---|---|---|---|
| Kuneta kwePTH mubharero | Kuwedzera kweZ-axis, ukobvu hwebhodhi, dhayamita yegomba, mhangura yemadziro, kutenderera kwekuyerera kwemvura, kutenderera kwekupisa. | Kuwedzerwa kwehuwandu hwe z shoma kunoderedza kumanikidzwa kwebhare remhangura. | Chiyero cheaggressive aspect, plating isina kunaka, kukuvara kwechibooreso, kana kugadziriswa zvakanyanya. |
| Delamination | Hunyoro, kupera kwakakwana kwekurapwa, kusvibiswa kwemhepo kwakabatwa, kurapwa kusina simba, kupisa nekukurumidza. | Sisitimu yekuvimbika yakagadziridzwa nePhenolic uye maitiro akasimba ekupisa anotsigira kugadziriswa kusina mutobvu. | Kudzvanya zvisina kunaka, nzvimbo dzakasvibiswa, nzvimbo isina kuchengetwa zvakanaka, kana kuti zvinhu zvisingaenderane. |
| Kubuda kweCAF | Hunyoro, rusaruro, kusvibiswa kweionic, magirazi/resin interfaces, kukuvara kwemaboore. | Zvinhu zvakaiswa panzvimbo yekudzivisa CAF. | Kusakwana kwenzvimbo yekufambisa, kusvibiswa, kunyorova, madziro emaburi akakuvara. |
| Warpage | Mhangura isina kuenzana, murwi usina kuenzana, kumanikidzwa/kukwira kwekupisa, zvinhu zvinorema. | Hwaro hwemaitiro eFR-4 hwakagadzikana uye rutsigiro rwekuwedzera runodzorwa runogona kufungidzirwa. | Kusawirirana zvakanaka kwema stack, kusawirirana kwemhangura, kubata mapaneru, kana matambudziko ekubatanidza. |
| Kurasikirwa kwekupinza nekukurumidza | Dk/Df, kushata kwemhangura, girafu yetrace, kureba, mavias/connectors. | Inogona kutsigira nzira dzakawanda dzinomhanya zviri pakati nepakati nekushandisa modhi yekuvaka. | Nzira refu dze56G/112G PAM4 dzinoda kurasikirwa kwakaderera zvakanyanya. |
Maitiro aya ekugadzirisa dambudziko anodzivirira kukanganisa kwakajairika pakusarudza VT-481 nekuti "155°C Tg yakakwira zvakakwana." Chikonzero chekushandisa chinhu ichi chinofanira kunge chakabatana nenjodzi chaiyo: kuwedzera kwemazinga e-z-axis mashoma emaburi, kuramba kweCAF kune zvivakwa zvine hunyoro, kutsungirira kusina lead pakuungana, kana nzvimbo yakakura yekuvaka yakakodzera yekugadzira.
Nei Z-Axis CTE Iine Zvinoreva Bhodhi-Level Zvakawanda Kupfuura Tg Yega
Tg inoratidza kuti kukura kweresin uye maitiro emuchina zvinochinja nekukurumidza sei, asi haitauri kuti resin inokura zvakadii isati yachinja kana kuti mushure mekuchinja ikoko. Kune gomba rakaputirwa, kumanikidzwa kunoiswa pabhare remhangura kunoenderana zvakanyanya ne pre-Tg CTE, post-Tg CTE, kuwedzera kwese panguva chaiyo yekufamba kwetembiricha, uye huwandu hwema cycles.
| pfuma | Zvarinoudza mainjiniya | Kuganhurirwa |
|---|---|---|
| Tg | Kuchinja kunofungidzirwa mumaitiro epolymer. | Hazvitsananguri zvakananga kurema kwese kwebhareni kana kuramba kutyoka kwebhareni. |
| Pre-Tg z-CTE | Mwero wekuwedzera kuburikidza nebhodhi pamberi peTg. | Inofanira kubatanidzwa pamusoro pemhando chaiyo yekupisa uye kubatanidzwa nejometri. |
| Post-Tg z-CTE | Mwero wekuwedzera uri pamusoro peTg, kazhinji wakakwira zvakanyanya. | Nguva iri pamusoro peTg uye chimiro chepamusoro-soro zvinokosha. |
| Kuwedzera kwe z kwese 50–260°C | Kunongedzera zvakananga kuwedzera ukobvu hwekuunganidza panguva yerwendo rusina mutobvu. | Zvichiri kuyerwa pachiratidziro, kwete bhodhi gobvu rekupedzisira. |
| T260 / T288 | Kuramba kudzima zvidimbu patembiricha yakatarwa. | Hazvitsivi PTH cycling kana chaiyo reflow/rework qualification. |
| Td | Chiyero chekuora kwekupisa pasi pebvunzo yakataurwa. | Kuungana kwakajairika kunofanira kuramba kuri pasi pekuora; hazvina kufanana nekutsungirira kwekudzokororwa kwemvura. |
Kuwedzerwa kweVT-481 kwez-axis yakaderera kunokosha nekuti kunoderedza imwe nzvimbo yekumanikidzwa kwebhareri. Kubatsira kwacho kwakanyanya kana dhizaini ikashandisawo maburi akapedzwa zvakanaka, mhangura yakakwana yemadziro, kuboorwa kwakagadzikana/desmear, uye chimiro chekubatanidza chakadzorwa. Kugona kwezvinhu uye geometry yebhodhi zvinowanda; chimwe hachigone kuongororwa chakasiyana.
Tevedzera Nhoroondo Yekudzokorodza Kwakazara, Mafungu, Kusarudza-Kutengesa, uye Kudzokorora
Kuzivisa kwemutengesi kuti hapana lead-free ndiko kutanga. Maitiro ekugadzira anofanira kushandurwa kuita nhoroondo yekupisa yakajeka. Bhodhi rine SMT mbiri dzinoyerera uye dzisina kugadziriswa zvakasiyana nebhodhi rine wave solder, selective solder, connector touch-up, conformal-coating cure, uye field repair.
| Chiitiko chekugadzirisa | Kunetseka kwekupisa/kwemakanika | Chiito chekuronga cheVT-481 |
|---|---|---|
| Kudzokazve kweSMT kwekutanga | Kuwedzera hunyoro, kusvuta kwekutanga kwe resin/mhangura, BGA warpage. | Yera tembiricha yebhodhi, kwete chete nzvimbo dzeovheni; tsanangura peak, ramp, uye nguva iri pamusoro pemvura. |
| Kuyererazve kwedivi rechipiri | Kubatanidzwa kwesimba uye rutsigiro rwebhodhi rakaungana zvishoma. | Simbisa kuti bow/twist wobva wabatanidza margin mushure mekutanga kwedenderedzwa. |
| Wave solder | Kuonekwa kwenguva refu kwepazasi, nzvimbo dzakakura dzekupinda nepaburi uye nzvimbo dzinobatanidza. | Thermocouple iri pedyo neminda yemhangura ine huremu hwakawanda uye PTH; tarisa maburi anomiririra. |
| Sarudza solder | Kupisa kwenzvimbo kwakawanda uye kukwira kwemvura kwakawanda. | Rondedzera mitambo yemunharaunda uye hurongwa hwekuchengetedza mitambo/mitambo. |
| Kuisa press-fit | Kushushikana kwemuchina pamaburi akaputirwa mushure mekupiswa nekupisa. | Kuwirirana kwegomba/kupatsanura maburi pamwe nesimba rekubatanidza. |
| rework | Tembiricha yepamusoro yemunzvimbo, kugara kwenguva refu, kushanduka kwemushandisi asingazivikanwe. | Gadza nzira yakatenderwa, maitikiro epamusoro, kutarisa tembiricha, uye mamiriro ekubika. |
| Kugadzirisa munda | Bhodhi rekare/rakasviba rinowana imwe nguva yekupisa. | Tsanangurai kugadzika kwehunyoro uye kugamuchira kugadziriswa. |
Shandisa nzira inomiririra yekugadzika zvinhu
Makuponi ekuvimbika echinyorwa chekutanga uye ekubatanidza anofanirwa kuona kurongeka kwakarongwa vasati vaongorora kwekupedzisira. Kana bhodhi richitarisirwa kuona kudzokororwa kwemvura kaviri, selective solder, uye imwe yakagadziriswazve, chitupa chinofanira kusanganisira kurongeka ikoko kana imwe yakaenzana neyakakodzera. Kuparadzanisa kuponi yevirgin hakugone kuratidza kuvimbika kwebharero mushure mekusangana.
Gadzira Sisitimu Yemaburi Akaputirwa Akapoteredza Mutoro Wekupisa
Sisitimu yegomba rakaputirwa inosanganisira laminate, drill, maburi emadziro, desmear, copper isina electro, electrolytic plating, annular ring, inner-layer junction, finished buri, uye chero press-fit kana solder load. VT-481 inoderedza kuwedzera kwe resin, asi copper inofanira kugadzirwa uye kuiswa kuti irarame nekumanikidzwa kwakaiswa.
| Chinoshanduka paburi | Kuvimbika kwemhedzisiro | Kudzora kusunungurwa |
|---|---|---|
| Yakapedzwa bhodhi ukobvu | Bharero refu rinoona kuwedzera kwakasiyana-siyana. | Shandisa ukobvu chaihwo hwakapedzwa uye kuvakwa kwemhangura yemuno muongororo yeaspect-ratio. |
| Dhayamita yegomba rapera | Dhayamita diki rinowanzowedzera chiyero cheaspect uye kuoma kwekuita. | Dzivisa maburi madiki zvisina basa; tsanangura maburi ekuboorera neakakodzera kutenderwa. |
| Mhangura yemadziro | Kuputira kwakatetepa kana kusina kufanana kune mukana wakaderera wekuneta. | Taura mhangura yemadziro yakapedzwa zvishoma zvichienderana nekirasi yechigadzirwa uye simbisa kugoverwa kwayo. |
| Hunhu hwekuboorera | Kusviba, kukuvara kwegirazi, kuomarara, uye kubata nzara zvinoderedza simba rekushandisa. | Nguva yekushandisa zvishandiso, huwandu hwema "hit" awakatora, mutoro wema "chip", kukwirira kwema "stack", kupinda/kuchengetedza uye microsections. |
| Desmear | Resin inobuda pasi pemashizha eDesmear; resin inobuda pamusoro pemashizha inorwisa magirazi/resin. | Tsvaga kemikari/plasma yakakodzera yekuvaka VT-481 uye ongorora madziro emaburi. |
| Mhete yeAnnular uye kunyoresa | Offset inogona kuderedza kubata mapedhi uye kushushikana kwekuisa zvinhu mumusoro. | Gadza kugona kunyoresa, saizi yepedhi, uye nzvimbo dzezvikamu zvakasiyana. |
| Geometry yekuisa press-fit | Simba rekuisa rinowedzera simba remuchina mushure mekugadzirwa. | Gadzirisa kushivirira kwegomba rakapedzwa, ukobvu hweplating, pini yekubatanidza, uye bvunzo yemakanika. |
Chiyero cheAspect hachisi muganho mumwe chete wepasi rose
Chiyero chikuru cheaspect ratio chemugadziri chinoziviswa chinogona kutsanangura kugona kwechinhu mumamiriro ezvinhu akasarudzwa, kwete mutemo wakasimba wekugadzira wehukuru hwese hwemaburi, huwandu hwema layer, huremu hwemhangura, uye kirasi yekuvimbika. Chiyero chakatenderwa chinofanira kunge chakavakirwa pakugoverwa kweplating, mhando yekuboorera, nhoroondo yekupisa, uye qualification yemutengi. Kune mabhodhi akavimbika zvakanyanya, kushandisa pasi petheory maximum kunowanzopa kukosha kwakanyanya pane kusarudza chinhu chine Tg yepamusoro.
Kudzora CAF, Hunyoro, uye Kuchena
VT-481 yakagadzirirwa kudzivirira CAF , asi CAF ichiri kutadza kushanda zvakanaka. Nzira inofambisa mhepo inogona kukura pamwe chete negirazi/resin interfaces kana hunyoro, ionic species, electric bias, uye nzira inokanganiswa nemhepo zvikabatana. Yakawanda kuburikidza neminda uye nzvimbo diki dzinogona kugadzira minda yemagetsi yemunharaunda.
| CAF/hunyoro | Kugadzirisa dhizaini kana maitiro |
|---|---|
| Voltage yemutyairi uye nzvimbo | Gadzira mitemo yekuparadzanisa zvichienderana nemagetsi, nharaunda, kufukidza, uye hupenyu hwechigadzirwa; sanganisira ma-vias, mapuraneti, mapedhi, uye mipendero yemabhodhi. |
| Hunyoro uye kunyorova | Tsanangura zvinodiwa pakuvharira, kuvhara, kubvisa mvura, kufukidza, kuburitsa mhepo, uye hunyoro-rusaruro. |
| Kuchengeta zvinhu uye kubika | Tevedzerai kuchengetwa kwelaminate/prepreg, nguva yekushanda pasherufu, kuvhara paseti, uye kudzora hunyoro hwemusanganiswa. |
| Kuboora nekuchera matombo | Dzivirira kupatsanurwa kwegirazi/resin uye nzira dzekufamba dzakakuvara; shandisa zvikamu zvidiki zvinomirira. |
| Kuchena kweIonic | Kudzora kugadzirwa nekusukwa kwezvimedu, marara, kubata, uye bvunzo dzekuchenesa dzinodiwa nevatengi. |
| Chifukidzo/chifukidziro chesolder | Simbisa kuvharwa, kugadzika, kunamira, dziviriro yemupendero, uye kuenderana ne high-voltage spacing. |
| Kutsiva girazi | Usachinje magadzirirwo egirazi/resin zvisina tsarukano; magadzirirwo egirazi/resin anokanganisa maitiro eCAF uye dielectric. |
Kudzora Kugadzira Kubva Pakuputira Kuburikidza Nekuputira
Ventec inoburitsa gwara rakadzama rekuchengetedza, kudzvanya, kuvaka, uye kuchera kweVT-481. Kugadzira kunofanirwa kushandisa gwara riripo rekugadzirisa uye hwindo remugadziri wemidziyo yakakodzera. Kudzora kwakakosha ndiko kuenderana pakati pekuvaka kwakatenderwa uye maitiro chaiwo ekugadzira, kudzvanya, kudhirowa, kuchenesa, uye kuputira.
- Simbisa zvinhu zviri kuuya. Simbisai kuti inonyatsogadzirwa sei, girazi, resin, copper foil, lot, nguva yekuchengetera, kuchengetwa uye mamiriro epakeji.
- Ongorora kudiwa kwe resin. Shandisa kugoverwa kwemhangura chaiyo uye ma prepreg plies akasarudzwa kudzivirira maburi, nzara, uye kuyerera kwehukobvu.
- Dzora tembiricha yezvinhu panguva yekuputira. Nyora mwero wekudziya, tembiricha/nguva yekupisa, kumanikidzwa, uye vacuum padanda rakakodzera.
- Yera ukobvu hwapera uye kunyoreswa. Isa nzvimbo dziri pakati pepaneru nepakati pemhangura dzakakora/dzakatetepa pachinhu chekutanga.
- Shandisa maburi akakura zvichienderana negomba. Dzora huwandu hwema hits uye hupenyu hwematurusi; usashandise parameter imwe chete yakarongwa padhayamita dzese.
- Sarudza desmear uye plating yakakodzera. Tarisa kubviswa kwe resin, mamiriro egirazi, kunamira kwemhangura, ukobvu hwemadziro uye kupararira kwawo.
- Dzivirira hunyoro. Vhara, chengeta, gadzira pachikuva, bika kana zvakakodzera, uye deredza nguva yekushanda kwepasi isingadzoreki.
Makobvu matete uye profile yemhangura
Ventec inoona nezvekugadzirisa uye kufunga nezve copper pa cores dzakatetepa. Cores dzakatetepa dzinogona kukuvara kana kukanganiswa, uye shanduko dze copper-profile dzinokanganisa simba reganda, impedance, uye kurasikirwa. Stackup inofanira kuratidza foil yakatenderwa uye mugadziri anofanira kudzora chero shanduko sekugadzirisa kweinjiniya kwete senzira yekutenga.
Kwakakwana VT-481—uye Kwaisina
| Chikumbiro/bhodhi | VT-481 inokodzera | Boundary |
|---|---|---|
| Kudzora kwemaindasitiri uye zvishandiso zvakawanda | Mukana wakasimba wekuti isashandise mutobvu wakasimba uye ivimbike nePTH. | Tarisa tembiricha yebasa, nzvimbo yemagetsi, maburi, uye hunyoro. |
| Zvemagetsi zvekudzora mota | Mukwikwidzi ari pasi pechitupa chemutengi/motokari. | Hazvitsivi AEC/mota process uye mission-profile validation. |
| Mabhodhi ekudzora kutaurirana | Zvakanaka apo kurasikirwa nenzira kuri pakati nepakati uye kuvimbika ndiko kunonyanya kukosha. | Nzira refu dzinomhanya zvakanyanya dzingada zvinhu zvinoderedza kurasikirwa. |
| Mapuraneti ane connector akawanda ari kumhanya zvine mwero | Kukwana kwechinhu ichi nekuti PTH uye kuvimbika kwe press-fit ndiko kunokosha. | Yeresa hurefu hwenzira uye kurasikirwa kwayo; usashandise pakusvika nekukurumidza nechikamu chega. |
| Midziyo ine hunyoro hwemagetsi akawanda | Zvinogona kukodzera neCAF controls. | Kureba, kufukidza, kuchena, kunyorova, uye kuyedzwa kwerusarura zvinoramba zvichidikanwa. |
| Backplane refu ye112G PAM4 | Kazhinji haisi sarudzo yekutanga. | VT-481 Df iri muchikamu chepakati chekurasikirwa; ongorora hurongwa hwakatsaurirwa hwekurasikirwa kushoma. |
| Antena ye77 GHz kana kuti RF layer chaiyo | Hazvina kukodzera sezvo zviri zvepakutanga. | Shandisa RF laminate ine frequency-specific uye module-level validation. |
Zita rekushandisa harisi iro rinosarudzwa. Bhodhi remotokari rine zviratidzo zvipfupi chete rinogona kukwana zvakanaka paVT-481; bhodhi rekutaurirana rine PAM4 backplane refu rinogona kusashanda. Shandisa thermal, electrical, voltage, hunyoro, uye interconnect stress dzebhodhi.
Kuongororwa kweZvikwaniriso uye Kuongororwa kweKugadzirwa
Kukodzera kunofanira kubatanidza njodzi yega yega nehumbowo. Chikumbiro che low-z-CTE chinosimbiswa kuburikidza nemaburi akavakwa uye kupisa; CAF inosimbiswa kuburikidza nekudzora maitiro uye bvunzo yezvakatipoteredza; kugadzikana kwehukuru kunosimbiswa nekuyera stackup uye warpage.
- Zvinhu uye zvinhu zvakaunganidzwa: CoC, kuvakwa chaiko, ukobvu hwakadzvanywa, girazi, huwandu hwe resin, mhangura uye kurongeka kwehuwandu.
- Kupatsanurwa kwemaburi madiki: nzvimbo diki, dzine chiyero chepamusoro-soro, dzakasimba, dzine mhangura yakawanda uye dzine temperature yakanyanya.
- Kugadzirisa kupisa: kutevedzana kwekudzokorora/mafungu/kusarudza/kugadzirisazve kunoratidzwa kusati kwaitwa kuongorora kwekupedzisira.
- Kuvimbika kwePTH: mutengi/IPC thermal cycling, solder-float, IST kana imwe nzira yakatenderwa ye geometry chaiyo.
- CAF/kudzivirira kupisa: humbowo hwekutsvinda kwemvura uye humbowo hwekuchena uko basa racho rinoda izvozvo.
- Warpage: kukotamisa/kutenderedza usati wasangana uye mushure mekusangana, uchishandisa rutsigiro rwakatsanangurwa uye mamiriro ekupisa.
- Magetsi: kupindirana uye kudzora kwakanangana neDk/Df kwenzira dzinomhanya zvine mwero.
- Kuongororwa kwekugadzirwa: mhangura yemadziro efashoni, ukobvu, kunyoreswa, chimiro chekupisa, zvinhu zvakawanda uye mhedzisiro yemakuponi akasarudzwa.
Chikamu chekutanga chekuburitswa kwechinhu chinofanira kusanganisira mifananidzo yechikamu chidiki chakatenderwa uye zviyero zvisina kubikwa. Shanduko dzeramangwana pakuvaka kwekare, copper foil, press cycle, drill supplier, desmear, plating chemistry, saizi yepanel, kana assembly profile dzinogona kuongororwa zvichienderana nereferensi inoteverwa.
RFQ yeBhodhi Rekuvimbika Risina Kuderera reZ-CTE
| Munda weRFQ | Zvekutaura |
|---|---|
| Zvinhu chaizvo | Ventec VT-481 laminate uye prepreg inoenderana, kuvaka, magadzirirwo egirazi, zviri mukati me resin, mhangura, datasheet rinodzorwa/kugadzirisa gadziriso. |
| Chinangwa chekuvimbika | Kuwedzerwa kwe z-axis yakaderera/PTH, CAF, kutsungirira kusina lead, kugadzikana kwemativi, kana zvinodiwa nemutengi zvakatarwa. |
| Geometry | Kuwanda kwezvikamu, ukobvu, mhangura, maburi madiki, saizi dzekuboorera/dzakapedzwa, zviyero zveaspect, kuburikidza nehuwandu, nzvimbo dzakadzvanywa uye nzvimbo dzine mhangura yakawanda. |
| Nhoroondo yekupisa | Mativi/masekonzi eSMT, nguva yepamusoro uye pamusoro pemvura, solder yemafungu/yakasarudzwa, muganho wekugadzirisa, kubika nekuchengetedza. |
| mhepo mvura nenzvimbo | Tembiricha yekushanda/kuchengetera, hunyoro, kudziya kwemvura, voltage/nzvimbo, kufukidza, kuchena, kutenderera kwemunda kunotarisirwa. |
| Maitiro ekudzora | Kuisa lamination, kuzadza resin, kunyoresa, kuboora, hupenyu hwematurusi, kuchenesa, kuputira, mhangura yemadziro, kutapira/kumonera. |
| Uchapupu | CoC, stackup, press record, microsections, plating data, preconditioning, PTH/CAF tests, warpage uye electrical coupons. |
| Substitution | Hapana chinotsiva zvichibva paTg chete; zvinoda CTE/expansion, thermal, CAF, kuvaka, process uye kuenzanisa board-level. |
RFQ inofanirawo kutsanangura kuti ndechipi chigadziriso chingataurwa nemugadziri. Musanganiswa wegirazi wakasiyana unogona kuwedzera kuwanikwa kwe resin fill kana ukobvu, asi unochinja dd, ukobvu hwakadzvanywa, kuboorwa, uye maitiro angangoita CAF. Mvumo inofanira kuitika usati wabhadhara artwork uye wawana qualification.
Mibvunzo Yekuvimbika Inoda Mhinduro Dzakananga
Ko 155°C Tg inoita kuti VT-481 ive chinhu chakavimbika zvikuru here?
Kwete. Kukosha kwayo kunobva pakushandisa mafuta akawandisa uye kuvimbika, kunyanya kuwedzera kwe-z-axis uye kushanda kwemaitiro asina lead. Geometry yebhodhi, plating, hunyoro, uye nhoroondo yekubatanidza zvinoramba zvichikosha.
Kubika kunodiwa nguva dzose usati wagadzira here?
Kwete otomatiki. Sarudzo dzekubika dzinofanira kutevedzera hunyoro hwechinhu/bhodhi, kuchengetwa uye hupenyu hwepasi, chimiro chekugadzira, miganhu yezvikamu, uye maitiro akakodzera emugadziri/muunganidzi. Kubika zvisina kufanira kana zvakawandisa kunogonawo kukonzera kukwegura kwekupera kwezvinhu nezvinhu.
VT-481 inogona kushandiswa nemhangura inorema here?
Ventec inotaura nezvekuwanikwa kwemhangura yakawanda, asi mhangura yakawanda inowedzera kudiwa kwe resin, kuoma kwe etch, kupisa kwakanyanya, uye njodzi yekudonha kwependi. Kugadzirwa chaiko uye maitiro zvinoda kuongororwa uye kusimbiswa.
Chii chinonyanya kukosha pakuvimbika kwegomba?
Musanganiswa wekuwedzera kwe z, ukobvu hwakapedzwa, dhayamita yegomba, copper yemadziro, mhando yekuboorera/desmear, nhoroondo yekudzoreredza/kugadzirisa, uye field cycling. Hapana kana chinhu chimwe chete chedatasheet chinotsiva musanganiswa iwoyo.
Zvinhu zvinoderedza kurasikirwa zvinofanira kusarudzwa rini?
Kana nzira yakazara—kwete chinyorwa chechigadzirwa—ichiratidza kuti kurasikirwa kwe dielectric/conductor kwakapararira kunodya mari inosvika mushure mekunge ma vias, connectors, topology, uye copper zvagadziriswa.
Saka VT-481 chinhu chinoshanda chePCB kana chikashandiswa nebhodhi rakanangana nestress model. Zviri muinjiniya zvinofanira kunge zviri pakudzivirira kukundikana uye humbowo, kwete runyorwa rwezvinhu zvakajairika.
Mareferensi emugadziri uye manotsi ekuburitsa
Peji reVentec riri pazasi rinopa matafura ekuvaka uye mareferensi akajairika ekupisa, kuwedzera, uye dielectric anoshandiswa mugwaro iri. Magwaro ekugadzira anofanira kuomesa kugadziriswa kwedatasheet yeVT-481 iripo, kugadzirwa kwegirazi/resin chaiyo, sarudzo yemhangura, uye humbowo hwekubvumidzwa kwakabvumiranwa.
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Nzira yekuwana sei quote yePCBs
Ngatiite ongororo yeDFM/DFA kwauri tobva tadzoka kwauri nemushumo. Unogona kurodha mafaira ako zvakachengeteka kuburikidza newebhusaiti yedu. Tinoda ruzivo runotevera kuti tikupe mutengo:
-
- Gerber, ODB++, kana .pcb, spec.
- BOM rondedzero kana iwe uchida kusangana
- uwandu
- Kuchinja nguva
Kune masevhisi ePCBA, ndapota ipa BOM yako (Bhiri reZvinhu) uye chero mirairo yegungano. Isu tinopawo DFM/DFA ongororo yekukwidziridza zvigadziriso zvako zvekugadzira uye kusangana, kuve nechokwadi chekuita kwakatsetseka kwekugadzira.