Ukujiya Kwethusi Le-PCB: Ukulahlekelwa Yisignali, Ukukhethwa Kwezinto Ezibalulekile Nokulawulwa Kokukhiqiza

Ubulukhuni bethusi be-PCB buwukuthungwa kobuso obuncane be-foil yethusi kanye nezixhumi eziphathwayo. Ngesikhathi sokuvama okuphezulu, ugesi ugxilile eduze kobuso bomqhubi, ngakho-ke ubulukhuni kwandisa ubude bendlela obusebenzayo kanye nokulahlekelwa komqhubi. Kungathinta nokubambezeleka kwesigaba kanye nemodeli yokuvinjelwa okubonakalayo.

I-Highleap Electronics ayikhiqizi i-foil yethusi. Sithenga futhi sicubungule ukwakhiwa kwe-foil/laminate okuvunyiwe, sakha i-PCB futhi sihlanganise i-PCBA.

Ingabe ukujiya okuphansi kwethusi kuhlale kwenza i-PCB engcono? Ngogesi, ithusi elibushelelezi livame ukunciphisa ukulahlekelwa umqhubi we-frequency ephezulu. Ukukhiqiza kusadinga ukunamathela okwanele, ukuhambisana nenqubo, ukutholakala kanye neziqu. I-foil efanele iyi-trade-off elawulwayo, hhayi ilebula lokumaketha.

Kuyini Ukungalungi Kwethusi Le-PCB?

Ithusi elifakwe ngogesi linohlangothi lwesigubhu kanye nohlangothi olulungisiwe, kanti abahlinzeki be-laminate banganikeza ukwakhiwa okujwayelekile, okulungisiwe emuva, okuphansi kakhulu noma okuphansi kakhulu . Ukuqanjwa kwamagama akuhambelani kahle kubo bonke abahlinzeki, ngakho-ke umklamo okhishwe kufanele ukhombe i-foil eqondile noma umkhawulo wobulukhuni ovunyiwe.

Ithusi le-HTE / elijwayelekile

Ukunamathela okunamandla nokutholakala kabanzi, kodwa ngokuvamile ukulahlekelwa okukhulu komqhubi.

RTF

Ihambisa ukwelashwa ukuze kuncishiswe indawo ebukhali ebonwa yisiginali, kuye ngokwakhiwa.

I-VLP

Iphrofayili ephansi ukuze kuthuthukiswe ukusebenza kwemvamisa ephezulu.

I-HVLP / i-foil ebushelelezi ethuthukisiwe

Kusetshenziswa lapho iziteshi ezingu-112G, 224G, mmWave noma ezinde zivumela izindleko ezengeziwe kanye nokulawula.

Kumthengi, umehluko owusizo uphakathi kwegama lobuchwepheshe kanye nesidingo sebhodi eliqediwe. Ibhodi kusamele lilawule ukusebenzisana phakathi kobulukhuni, i-resin kanye nokunamathela, iphrofayili ye-base-foil, ubulukhuni obuseceleni obuphathwe kahle kanye nobukhulu bethusi obuqediwe. I-Highleap ifunda lezo zidingo kusukela kudatha yokuklama yangempela bese iziguqula zibe uhlelo lokuqoqa, umzila wenqubo kanye nohlelo lokuhlola, kunokucabanga ukuthi igama elingukhiye lodwa lichaza indlela i-PCB okufanele yakhiwe ngayo.

Indlela Ukujiya Kwethusi Okuthinta Ngayo Ukusebenza Kwe-PCB

Amanani eshidi ledatha elijwayelekile awanele lapho ukuhlolwa kukagesi okuvamile kungakwazi ukubona ukufakwa kwefoyili okungagunyaziwe noma ukulahlekelwa okuphezulu kokufakwa kunalokho okulingisiwe. Ukubuyekezwa kumele kusebenzise umongo noma iphrofayili yethusi eqondile, iphrofayili yethusi, ukujiya okuqediwe kanye nomzila. Yilapho ukwesekwa kobunjiniyela komuntu ngamunye kuvimbela umthengi ekuchazeni amadokhumenti amaningi omhlinzeki kuphela.

Amanani edatha ajwayelekile awanele lapho ukuhlolwa kukagesi okuvamile kungakwazi ukubona ukushintshashintsha kwe-prototype kuya ekukhiqizweni noma ukufaka esikhundleni i-foil engagunyaziwe. Ukubuyekezwa kumele kusebenzise umongo noma i-prepreg eqondile, iphrofayili yethusi, ukujiya okuqediwe kanye nomzila odlulayo. Yilapho ukwesekwa kobunjiniyela komuntu ngamunye kuvimbela umthengi ekuchazeni amadokhumenti amaningi omhlinzeki kuphela.

Lapho Ukujiya Kwethusi Kuba Okubalulekile

• Iziteshi zikagesi ezinde ze-56G, 112G noma 224G.
• Amabhodi noma amabhodi e-module e-optical-module angu-800G kanye ne-1.6T.
• Izakhiwo ze-antenna/feed ze-77 GHz radar kanye ne-mmWave.
• Imiklamo ye-laminate elahlekelwa kancane lapho ukulahlekelwa yi-conductor kuyisabelo esikhulu sokulahlekelwa okuphelele.
• Iminonjana emincane noma amajiyometri amancane anokuhlushwa okuphezulu kwamanje.
• Imiklamo edinga ukuhlobana phakathi kokulingisa kanye nokulinganisa ipharamitha ye-S.

Ukuphindaphinda kuyisilingo esiyinhloko sokukhiqiza. I-prototype ingasebenza ngisho noma iwindi lenqubo libanzi, kodwa ukukhiqizwa komthamo kuveza ukuhlukahluka kwezinto zokwakha, ukusatshalaliswa kwethusi, ukulayishwa kwamaphaneli kanye nokufakwa kweplati. Sibeka ukulawula okuqediwe kwethusi, ukuhambisana kwekhuphoni nemodeli ekhishwe, ukuqinisekiswa kwefoyili yomhlinzeki kanye nokulandelela izinto zokwakha ekukhishweni kokukhiqiza ukuze kunikezwe ukuqhathanisa okuzinzile phakathi kwezinto zokwakha.

Ukuphindaphinda kuyisilingo esiyinhloko sokukhiqiza. I-prototype ingasebenza ngisho noma iwindi lenqubo libanzi, kodwa ukukhiqizwa komthamo kuveza ukuhlukahluka kwezingxenye zezinto, ukusatshalaliswa kwethusi, ukulayishwa kwamaphaneli kanye nokufakwa kweplati. Sibeka ukuhambisana kwekhuphoni kumodeli ekhishwe, ukuqinisekiswa kwefoyili yomhlinzeki, ukulandeleka kwezingxenye zezinto kanye nokulawulwa kwethusi eliqediwe ekukhishweni kokukhiqiza ukuze sinikeze ukuqhathanisa okuzinzile phakathi kwezingxenye.

Idatha Nokumodela Kokugoba Kwethusi

Ubulukhuni be-RMS bubodwa bungase bungachazi ngokugcwele ubuso. Amamodeli afana neHammerstad, iHuray kanye nezindlela ezinamazinga amaningi asebenzisa amapharamitha ahlukene. Umklami nomenzi kufanele bavumelane ngokuthi yiluphi ubuso befoyili kanye nedatha emelelwayo.

Amaphutha avamile afaka phakathi ukwenza imodeli yohlangothi lwe-laminate ngenkathi isignali ibona indawo ehlukile, kusetshenziswa inani elijwayelekile le-VLP, noma ukunganaki ithusi elifakwe ipulasitiki elengeziwe ngesikhathi sokwenziwa.

Umphumela wokubuyekezwa kufanele ube yi-stackup ekwazi ukwakheka kanye nohlu olufushane lweziguquguquko ezilawulwayo. I-Highleap ibhala phansi ubunikazi bezinto ezivunyelwene ngazo, i-geometry, umzila wenqubo kanye nesisekelo sokuhlola, bese ihlanganisa imininingwane esele ngaphakathi ku-CAM, ukwenziwa, ikhwalithi kanye nokuhlanganiswa.

Izinguquko zobuchwepheshe kulesi sigaba azikwazi ukuhlolwa ngokuzimela. Ushintsho ekuqineni kwecala eliphathwe kahle lungashintsha umphumela wobukhulu bethusi obuqediwe, kuyilapho ukusebenzisana phakathi kokuqineka, i-resin kanye nokunamathela kanye nephrofayili ye-base-foil kuthinta i-geometry kanye nomphumela wokuhlolwa obonwe ebhodini eliqediwe. I-Highleap ibuyekeza ukwakhiwa kwangempela kokukhiqiza ngakho-ke i-stackup kanye nesinxephezelo kusekelwe ezintweni ezingathengwa kunezibonelo eziqanjiwe.

Ukulahlekelwa Ugesi Uma kuqhathaniswa Nokunamathela Kwethusi

Ukwelashwa okuqinile kusiza ukubopha ithusi ku-dielectric. I-foil ebushelelezi kakhulu ngaphandle kohlelo lwe-resin/treatment olufanelekile inganciphisa amandla okuxebuka noma ukuqina kwenqubo. Izinhlelo ze-laminate zanamuhla zisebenzisa ukwelashwa kwamakhemikhali kanye nomklamo we-resin ukuze kufinyelelwe ukunamathela ngephrofayili ephansi.

I-Highleap ayisusi noma ayipholishi ukwelashwa kwethusi ngemva kokulamina. Isixazululo esifanele uku-oda isakhiwo esifanelekile esimbozwe ngethusi kumhlinzeki wezinto zokwakha.

Inhloso yokuklama kanye nesinxephezelo sefektri kunabanikazi abahlukene. Ikhasimende lichaza izidingo zikagesi kanye nokuthembeka; I-Highleap isebenzisa ukulungiswa kwe-CAM okuvunyiwe, ukubhoboza, ukubopha kanye nokulungiswa kwe-lamination okudingekayo ukuze kufinyelelwe amanani aqediwe. Noma yiluphi ushintsho oluthinta ukwakheka noma iziqu luphakanyiswa ukuze luvunyelwe esikhundleni sokufihlwa ngaphakathi kokucutshungulwa kwe-CAM.

Ibhalansi efanele itholakala ngokwakhiwa kwe-laminate-and-foil okufanelekile, hhayi ngokucela ifektri ye-PCB ukuthi isuse ukwelashwa okunikeza ukunamathela. I-resin chemistry, ukwelashwa kwamakhemikhali kanye nephrofayili ye-foil kuklanyelwe njengohlelo. I-Highleap iqinisekisa indlela yokwakha evunyiwe kanye nokucubungula, bese ilawula ithusi eliqediwe kanye ne-geometry. Noma yikuphi ukuthuthela ku-foil ebushelelezi kufanele kuhlolwe kokubili izinzuzo zikagesi kanye neziqu zemishini.

Imiphumela Yokushiya Uhlobo Lwethusi Lungachazwanga

• Ifektri ingacaphuna i-foil ejwayelekile engahambisani nemodeli yesiteshi.
• Ukushintshaniswa kwezinto ezibonakalayo kungalondoloza i-resin Dk/Df kodwa kushintshe ukulahleka komqhubi.
• Izinhlobo zeprototype kanye nezindawo zokukhiqiza zingasebenzisa i-foil ehlukene etholakalayo.
• Amakhuphoni okulahlekelwa kokufakwa angase ahluleke noma ngabe i-impedance idlula.
• Izakhiwo ze-RF zingashintsha ngoba ukugoba kushintsha ukulahleka kanye nobude bukagesi obusebenzayo.

Ukwehluleka okukhulu kuvame ukuvela ngemva kokuba izingxenye sezihlanganisiwe. Ibhodi lingadlula ukuqhubeka futhi libonise ukulahlekelwa okuphezulu kokufakwa kunokulinganisa, ukungafani kokulibaziseka kwesigaba noma ukushintshashintsha kwe-prototype-to-production ngesikhathi sokuqinisekiswa kwesistimu. Ngakho-ke i-DFM yokuqala ishibhile kunokuphenya i-PCBA eqediwe, ngoba izinto, i-geometry, ukwenziwa kanye nezimbangela zokuhlanganiswa zisengahlukaniswa ngaphambi kokufakwa kwamathuluzi kanye nokubekwa kwezingxenye.

Ukukhiqizwa okuphindaphindiwe kudala enye ingozi: ingxenye yakamuva ingasebenzisa ukwakhiwa okuhlukile okutholakalayo kuyilapho umndeni wezinto eziqanjiwe ungashintshi. I-Highleap iqopha i-stackup evunyiwe, ithusi, izibikezelo zenqubo kanye nendlela yokuhlola ukuze ama-prototypes kanye nokukhiqizwa kuqhathaniswa nesisekelo esifanayo sokukhishwa.

Indlela i-Highleap Elawula Ngayo Ukungaqini Kwethusi Ekukhiqizeni

1. Qinisekisa ukuthi i-laminate kanye ne-foil zibekwe kanjani kumhlinzeki.
2. Qopha uhlobo lwethusi, isisindo sesisekelo kanye nethusi eliqediwe ku-stackup.
3. Sebenzisa isinxephezelo sobuciko esifanelana nobukhulu bethusi kanye nenqubo.
4. Ukufakwa kweplati yokulawula ukuze i-geometry eqediwe kanye nethusi kuhlale kungaphakathi kwemodeli.
5. Gcina ukushintshana kwezinto ezibonakalayo ngaphansi kokulawulwa kokushintsha kwamakhasimende.
6. Sebenzisa amakhuphoni okumelana nokulahlekelwa amele uma kuchaziwe.
7. Hlanganisa idatha yokukhiqiza nemibono yokulingisa ekhishwe.

Idatha yokukhiqiza evunyiwe igcinwa ukuze isetshenziswe ama-oda aphindaphindwayo. Ubunikazi bezinto ezibonakalayo, ukukala, umzila wokubhoboza, ithagethi yokubeka iplati kanye nendlela yokuhlola kusalawulwa ushintsho. Lokhu kuvikela umkhiqizo ekushintsheni okungavunyiwe kwefoyili eqinile noma ukulahlekelwa okuphezulu kokufakwa kunalokho okulingisiwe okubangelwa inqubo engabhaliwe noma ushintsho lokunikezwa.

Isimangalo samandla sinenani kuphela uma sixhunywe emzileni olawulwayo wesitolo. I-Highleap ixhumanisa ukulandeleka kwezindawo zezinto, ukulawulwa kwethusi okuqediwe, ukuhambisana kwekhuphoni nemodeli ekhishwe kanye nokuqinisekiswa kwefoyili yomhlinzeki nokuhlolwa okungenayo, ukubopha, ukubhoboza, ukupenda izithombe kanye nokuqinisekiswa kokugcina. Ukulandelana okuqondile kuhlala kuncike ekwakhiweni kwezinto kanye nebhodi okuvunyiwe.

Ukwakhiwa Nokuhlanganiswa kwe-PCB Esheshayo Ephakeme ye-Highleap

I-Highleap isekela izinhlelo zezinto ezilahlekelwa kancane kanye nezilahlekelwa kakhulu , ithusi elingabonakali kahle, i-impedance elawulwayo, ukuqopha okuqondile, i-HDI, ukubhoboza ngemuva, i-AOI, ukuhlolwa kwe-cross-section kanye nokuhlolwa kwe-S-parameter/ukufakwa-ukulahlekelwa okungakhethwa. Izinsizakalo ze-PCBA zifaka phakathi i-SPI, i-BGA assembly, i-AOI, i-X-ray, izixhumi kanye nokuhlolwa kokusebenza.

Inqubo yokuhlanganisa iqala ngokwakhiwa kwebhodi elingenalutho. I-Warpage, ibhalansi yethusi, ukuqeda iphedi, ngesimo kanye nobuningi bokushisa kuthinta ukuphrinta, ukubeka kanye nokugeleza kabusha. I-Highleap ibukeza i-PCB kanye nokuhlelwa kwezingxenye ndawonye ukuze ibhodi elihlangabezana nokuhlolwa kwebhodi elingenalutho lingabi yi-PCBA enenzuzo ephansi ngemva kokulayishwa kwezingxenye ezinenani eliphezulu.

Unjiniyela wephrojekthi oyedwa uhlela imibuzo yokukhiqiza kanye ne-SMT. Lokhu kugwema ukwehluleka okuvamile lapho i-PCB ilungiswa khona ngaphandle kokucabangela ukuhlanganiswa, noma uhlelo lokuhlanganisa luthatha izimo zephedi, i-warpage kanye nokushisa okungekho ukwakhiwa kwebhodi elingenalutho okungakwazi ukukunikeza ngokuthembekile.

Ukulawulwa kokuqina kwethusi kuqala ngaphambi kokwenziwa ngoba i-foil inikezwa njengengxenye ye-laminate embozwe ngethusi. Ngesikhathi sokukhiqiza, ukucwebezela nokuqopha kusashintsha ubukhulu kanye nesimo se-conductor, ngakho-ke umkhondo oqediwe kumele uhlale uhambisana nomodeli. Emabhodini ahlanganisiwe, ukuqaliswa, ama-pads kanye noshintsho lwezingxenye kungabusa ukungaqhubeki kwendawo ngisho nalapho ingxenye ende eqondiswe isebenzisa ithusi elibushelelezi. Ngakho-ke ukubuyekezwa kuhlanganisa kokubili i-PCB kanye ne-PCBA interfaces.

Thumela Umklamo we-PCB Kuqala; Sizoqinisekisa Isidingo Sethusi

Ukuthenga akudingeki ukhethe imodeli yokuba lukhuni ngethusi ngaphambi kokucela ikhotheshini. Thumela amafayela e-Gerber noma amafayela okuklama e-PCB kuqala. Uma amanothi ethusi noma izinto ezibonakalayo esefakiwe kakade, akukho ncazelo ehlukile yokuba lukhuni edingekayo ekubuyekezweni kokuqala.

Onjiniyela bethu baxhumanisa injongo kagesi nezinto zokukhiqiza ezitholakalayo

Unjiniyela ozinikele we-Highleap uzobuyekeza umzila, ububanzi bemvamisa kanye nokwakhiwa kwezinto zokwakha nethimba lethu lokukhiqiza elisheshayo. Sizoqinisekisa ukuthi kufanele kuxoxwe ngethusi elijwayelekile, i-VLP, i-HVLP noma enye iphrofayili evunyiwe, futhi sizoxhumana nawe ngqo uma kudingeka idatha yomhlinzeki noma imvume yamakhasimende.

Unjiniyela oqokiwe ugcina konke ukuxhumana endleleni eyodwa yephrojekthi. Izinto zokwakha, i-stackup, i-CAM, ukwenziwa, ikhwalithi kanye nemibuzo yokuhlanganisa iyahlanganiswa ukuze umthengi angadingi ukuhambisa izinkinga zobuchwepheshe phakathi kweminyango eminingi yefektri.

Izindleko Zokugoba Kwethusi

I-VLP/HVLP foil ingakhuphula izindleko ze-laminate futhi inciphise ukuguquguquka kokuthola. Ukulawulwa kwe-foil okuqinile kungandisa isikhathi sokuhola. Izindleko kufanele ziqinisekiswe ngokuhlaziywa kwesiteshi; ukucacisa ithusi elibushelelezi kakhulu elitholakalayo ezingqimbeni ezingabalulekile ngokuvamile akudingeki.

Ikhotheshini ikhombisa umzila ophelele odingekayo ukuze kutholakale isivuno esamukelekayo. Izinto eziyinhloko zifaka phakathi ukutholakala kwe-VLP noma i-HVLP, ukwakhiwa kwezinto ezivunyiwe, isisindo sethusi, isikhathi sokuhola sokuthola kanye nokuhlolwa kokulahlekelwa okudingekayo. Intengo yezinto iyingxenye eyodwa kuphela; i-lamination eyengeziwe, ukubhoboza okukhethekile, ukubhaliswa okuqinile, isikhathi sokuhlola kanye namakhuphoni okuhlola kungaba nomthelela olinganayo noma omkhulu.

Isikhathi sokulethwa sivame ukulawulwa ukutholakala kwezinto ezibonakalayo, ithusi elikhethekile, ubuncane bomhlinzeki, ukucutshungulwa okulandelanayo noma ukuhlukaniswa kwangaphandle. Unjiniyela ubona umkhawulo wangempela weshejuli futhi uhlola ukuthi ngabe enye indlela evunyelwe ingawususa yini ngaphandle kokushintsha imfuneko yomkhiqizo.

Ukucacisa i-VLP noma i-HVLP kungqimba ngayinye kungakhuphula izindleko zezinto zokwakha ngaphandle kokuthuthukisa izingxenye ezingabalulekile zomklamo. Ezinye izakhiwo zitholakala kuphela ngobukhulu obukhethiwe, isisindo sethusi noma izifunda zabahlinzeki, okungathinta nesikhathi sokuhola kanye nobuningi be-oda elincane. I-Highleap ingasiza ekuboneni ukuthi yiziphi izingqimba ezibaluleke kakhulu ekulahlekelweni nokuthi umndeni wezinto zokwakha ovunyelwe unikeza ukwakhiwa okubushelelezi nokwethusi okusebenzayo.

Ithusi Liyingxenye Yesistimu Yezinto Ezibonakalayo kanye Nemodeli Yesiteshi

I-laminate ene-Df ephansi enethusi elingalawulwa akuyona i-PCB elawulwayo esheshayo. I-Highleap yenza i-foil e-odiwe, i-plating, i-geometry kanye nohlelo lokuhlola kube yingxenye yokukhishwa kokukhiqiza.

Amanani eshidi ledatha elijwayelekile awanele lapho ukuhlolwa kukagesi okuvamile kungakwazi ukubona ukungalingani kokulibaziseka kwesigaba noma ukushintshashintsha kweprototype kuya ekukhiqizweni. Ukubuyekezwa kumele kusebenzise umongo oqondile noma i-prepreg, iphrofayili yethusi, ukujiya okuqediwe kanye nomzila odlulayo. Yilapho ukwesekwa kobunjiniyela komuntu ngamunye kuvimbela umthengi ekuchazeni amadokhumenti amaningi omhlinzeki kuphela.

Uhlelo lwe-resin, isitayela sengilazi kanye nephrofayili yethusi kufanele kukhululwe ndawonye. Ukushintsha i-foil kuphela kungashintsha ukulahleka kokufakwa, ukubambezeleka kwesigaba, ukuziphatha kokunamathela kanye nokutholakala kwezinto ngisho noma isibongo somndeni we-laminate singashintshi. Ukuze kukhiqizwe ngokuphindaphindiwe, i-Highleap iqopha ukwakhiwa okuqondile okuthengiwe futhi iphatha ushintsho lwephrofayili yethusi njengokushintshana okulawulwayo kunesinqumo sokuthenga esivamile.

imibuzo ejwayelekile ukubuzwa

Uyini umehluko phakathi kwe-VLP ne-HVLP copper?

Zombili zichaza izigaba ze-foil ezingabonakali kahle, kodwa ukuqanjwa kanye nemikhawulo kuyahlukahluka kuye ngomhlinzeki. Cacisa idatha eqondile ye-foil noma yobulukhuni.

Ingabe ithusi elibushelelezi liyanciphisa ukulahleka kwe-PCB?

Ngokuvamile yebo ngesivinini esiphezulu, kodwa i-geometry ephelele yomqhubi, i-plating, i-adhesion kanye nesistimu ye-dielectric kusabalulekile.

Ingabe i-Highleap ingalinganisa ukujiya kwethusi?

Isitifiketi sezinto ezibonakalayo kanye nedatha yomhlinzeki yizona zilawuli ezivamile. Ukumeta kwendawo okukhethekile kungaxoxwa ngakho uma kudingeka ngokwesivumelwano.

Ingabe ukuqeda ubuso kubaluleke kakhulu kunokuqina kwethusi?

Kokubili kungabaluleka, kodwa ukugoba kwe-base-foil kuvame ukuthinta ubude obugcwele bomkhondo kuyilapho ukuqeda kuthinta izindawo eziveziwe nama-pad.

Ingabe i-Highleap iyayikhiqiza i-foil yethusi?

Cha. Sakha ama-PCB sisebenzisa ama-laminate ambozwe ngethusi kanye nokwakhiwa kwe-foil okuvunyiwe.

Ingabe ngidinga ukucacisa ithusi le-VLP noma le-HVLP ngaphambi kokuxhumana ne-Highleap?

Cha. Thumela amafayela e-Gerber noma amafayela okuklama e-PCB kuqala. Unjiniyela we-Highleap uzobuyekeza isiteshi kanye nokwakhiwa kwezinto nethimba lethu lobuchwepheshe futhi aqinisekise ukuthi iphrofayili yethusi ethile iyadingeka yini.