Indlela Yokukhetha Izinto Ze-PCB ze-Tg180 Zamabhodi Angokwezifiso

Ukukhetha i-Tg180 PCB kuhilela okungaphezu kokukhetha i-laminate enokushisa kokushintsha kwengilazi okungu-180°C. Izinto kumele futhi zihlangabezane nezidingo zebhodi zikagesi, zokushisa, zemishini, nezokukhiqiza.

Kubathengi be-PCB namaqembu obunjiniyela, izinqumo ezibalulekile ukuthi yiliphi izinga lezinto okufanele lichazwe, ukuthi i-stackup ithinta kanjani ukwenziwa, nokuthi ibhodi eliqediwe liyahlangabezana yini nezidingo zokuhlanganiswa ezihlosiwe. I-Highleap Electronics inikeza ukwenziwa kwe-PCB kanye nokuhlanganiswa kwamaphrojekthi enziwe ngokwezifiso, kusukela ekwakhiweni kweprototype kuya kuma-oda okukhiqiza.

Izinto ze-PCB ze-Tg180, Imikhiqizo, kanye Nokukhethwa Kwezinto

Abakhiqizi abaningana be-laminate banikeza izinto ze-Tg eziphezulu ezizungeze ububanzi buka-180°C. Kodwa-ke, amanani e-Tg afanayo awenzi izinto ezihlukene zishintshelane. Izakhiwo zikagesi, ukwanda kokushisa, ukwakhiwa kwe-dielectric, kanye nezidingo zokucubungula nazo kumele zicatshangelwe.

I-Isola 370HR kanye ne-I-Speed

I-Isola 370HR iyisistimu ye-epoxy laminate enokwethenjelwa kakhulu esetshenziswa ekusetshenzisweni kwe-PCB enezingqimba eziningi. Hlola izakhiwo zayo zokushisa kanye nokwakhiwa kwayo ngokuqhathanisa nokuthembeka kwebhodi kanye nezidingo zokwenziwa.

I-Isola I-Speed ​​ingenye inketho ye-laminate ene-Tg eshicilelwe engu-180°C. Izici zayo zikagesi zenza ifaneleke ukuhlolwa ngemiklamo enezidingo ezidinga ubuqotho besiginali.

Kunoma yikuphi okuqukethwe, qinisekisa ishidi ledatha lamanje bese uqhathanisa i-Dk, i-Df, ukwakhiwa kwe-dielectric, kanye nezimo zokuhlola ezifanele ngaphambi kokuvuma i-stackup. Bheka amakhasi e -Isola 370HR PCB kanye ne -Isola I-Speed ​​PCB azinikele ukuthola ulwazi olwengeziwe mayelana nezinto ezithile.

I-Shengyi S1000-2 kanye ne-S1000-2M

Ulwazi lomkhiqizo olushicilelwe lukhomba amanani e-Tg angu-180°C yi-DSC eShengyi S1000-2 kanye ne-S1000-2M. Ukuze uthole imvume yokuthenga kanye nobunjiniyela, qinisekisa izinga eliqondile, izakhiwo ze-laminate kanye nezangaphambi kokubhaliswa ezitholakalayo, ubukhulu, kanye nemininingwane efanele.

Ungakhethi into ngokusekelwe enanini layo le-Tg kuphela. Izakhiwo zayo ze-dielectric, idatha yokushisa, kanye nokuhambisana ne-stackup edingekayo kumele futhi kuhlangabezane nencazelo yephrojekthi.

I-ITEQ IT-180A

I-ITEQ IT-180A ingacatshangelwa lapho kuhlolwa izinto ze-FR-4 ezine-Tg ephezulu, kodwa inani layo le-Tg elibikiwe kumele lihlolwe ngokuqhathanisa neshidi ledatha lamanje kanye nendlela yokuhlola ecacisiwe.

Uma iphrojekthi idinga i-Tg okungenani engu-180°C yi-DSC, inani elibikiwe elingaphansi kwalowo mkhawulo akufanele lamukelwe ngaphandle kokucaciswa nokuvunyelwa. Bheka ikhasi lezinto ze-ITEQ IT-180A elikhona ukuze uthole ingxoxo eyengeziwe.

Indlela Yokuqhathanisa Izinketho Ze-Tg180 PCB Laminate

Sebenzisa ithebula elilandelayo njengomhlahlandlela wokuqala wokuhlola, hhayi esikhundleni semibhalo yobuchwepheshe yamanje yomkhiqizi.

Kuselula, swayipha ngokuvundlile ngaphakathi kwetafula ukuze ubuke wonke amakholomu.

Lezi yizibonelo ezikhethiwe kunokuba kube uhlu oluphelele lwezinto ze-Tg180. Qinisekisa ishidi ledatha lamanje kanye nokutholakala kwebanga eliqondile ngaphambi kokukhiqizwa. Ukuze uthole umbono obanzi, bheka umhlahlandlela wezinto ze-PCB ze-Tg ephezulu.

Indlela Yokucacisa i-Tg180 FR-4 Yokukhiqiza i-PCB

Incazelo ethi “Tg180 FR-4” kuphela ingashiya imininingwane ebalulekile ingaxazululiwe. Chaza izinga lezinto ezidingekayo kanye nokwakhiwa kwebhodi, kanye nezakhiwo okumele i-PCB eqediwe ihlangabezane nazo.

• Ibanga lezinto ezibonakalayo: Khomba umenzi kanye nezinga eliqondile uma kudingeka i-laminate ethile.
• Indlela yokuhlola i-Tg kanye ne-Tg: Sho umkhawulo odingekayo kanye nendlela yokulinganisa.
• Izici ezishisayo: Buyekeza i-Td, i-Z-axis CTE, kanye neminye imininingwane efanele uma iqhathaniswa nohlelo lokusebenza.
• Izakhiwo zikagesi: Cacisa i-Dk, i-Df, imigomo ye-impedance, kanye nemvamisa efanele yemiklamo ye-impedance elawulwayo noma yesivinini esikhulu.
• Ukwakhiwa kwebhodi: Chaza inani lezingqimba, ukujiya okuqediwe, isisindo sethusi, ukujiya kwe-dielectric, kanye nezakhiwo ezidlulayo.
• Izidingo zokuhlanganisa: Thola inqubo yokunamathisela ehlosiwe kanye nokuvezwa kokushisa okufanele.

Ukushintshaniswa kwezinto kudinga ukubuyekezwa kwencazelo ephelele. Ama-laminate amabili anamanani afanayo e-Tg angaba nezakhiwo ezihlukile ze-dielectric, ukuziphatha kokunwebeka, kanye nokuhambisana kwe-stackup.

Ukuze ukhethe izinto ezijwayelekile, bheka umhlahlandlela wezinto ze-FR-4 . Izinga lokugcina kufanele likhethwe ngokwezidingo zangempela zebhodi, hhayi isigaba sezinto kuphela.

Izidingo Zokukhiqiza ze-Tg180 PCB

Ukukhethwa kwezinto kuyingxenye eyodwa kuphela yokwenziwa kwe-PCB. Ukwakheka kwe-stackup, ukubhoboza, ukufaka i-plating, ukusatshalaliswa kwethusi, ukuqeda ubuso, kanye nokuhlola konke kumele kuhambisane nencazelo yebhodi eliqediwe.

Ukwakhiwa Kwe-Stackup kanye ne-Dielectric

Chaza ukuhlelwa okuyinhloko nokwangaphambi kokulungiswa, izisindo zethusi, ubukhulu be-dielectric, kanye nobukhulu bebhodi eliqediwe. Kumadizayini e-impedance alawulwayo, ukwakhiwa kwe-dielectric yangempela kumele kusekele imigomo ye-impedance ecacisiwe.

Ukushintsha ukwakhiwa kwe-laminate noma i-dielectric kungathinta i-impedance kanye nokusebenza kwesignali. Buyekeza ukushintsha ngaphambi kokukhipha idatha yokukhiqiza.

Ukubhoboza, Ukubeka Iplati, kanye Nokuthembeka

Osayizi bemigodi, ukujiya kwebhodi, isilinganiso sesici, ngokusebenzisa izakhiwo, kanye nobukhulu bethusi obudingekayo kunquma izidingo ezibalulekile zenqubo. Ukubhoboza, ukususa i-demear, ukubopha, kanye nokuhlola kumele kulungele ukwakhiwa okucacisiwe.

Inani eliphezulu le-Tg lodwa aliqinisekisi ukuthembeka kwembobo embobowe. Ibhodi eliqediwe kumele lihlangabezane nezimfuneko zokwenziwa ezifanele kanye nemigomo yokwamukelwa.

Ibhalansi yethusi kanye nokuzinza kobukhulu

Ukusatshalaliswa kwethusi okungalingani kanye ne-stackup engalingani kungasiza ekuguqukeni kwe-warpage kanye nobukhulu. Buyekeza ibhalansi yethusi, ukujiya kwebhodi, ukubekezelelana kohlaka, kanye nezidingo zokufaka ndawonye, ​​​​ikakhulukazi kumabhodi anezingqimba eziningi eziyinkimbinkimbi.

Ukuqedwa Komphezulu Nokuhlolwa

Khetha ukuqeda kobuso ngokuya ngokukwazi ukushibilika, ukuhambisana kwezingxenye, izimo zokugcina, kanye nezidingo zamakhasimende. I-ENIG, i-OSP, kanye ne-HASL engenalo i-lead kuyizinketho ezingenzeka lapho kufaneleka khona.

Chaza ukuhlolwa kukagesi, ukuqinisekiswa kwe-impedance, kanye nokuhlolwa okwengeziwe ngokuya ngomklamo kanye nemigomo yokwamukelwa edingekayo. Izinsizakalo zokwenziwa kwe-PCB ze-Highleap zingasetshenziswa njengendawo yokuqala yokubukeza izidingo zokukhiqiza ezingenalutho.

Izinto Okucatshangwayo Nge-Tg180 PCB Assembly

Uma ibhodi elingenalutho lizohlanganiswa, imininingwane ye-laminate kumele ihlolwe kanye nenqubo yokunamathisela. Ukuqokwa kwe-Tg180 akuqinisekisi ukuhambisana nayo yonke iphrofayili yokugeleza kabusha engenalo i-lead.

Iphrofayili Yokugeleza Kabusha Nokuvezwa Kokushisa

Buyekeza iphrofayili yokugeleza kabusha okuhleliwe ngokuqhathanisa nedatha ye-laminate, imikhawulo yezingxenye, ukwakhiwa kwebhodi, kanye nenani lemijikelezo yokushisa. Ukulungiswa kabusha nezinye izinqubo zokushisa kungathinta nokuvezwa okuphelele.

Ukuphakama kokugeleza kabusha ngaphezu kwe-Tg akwenzi ngokuzenzakalelayo into engafaneleki. Ngokufanayo, i-Tg ephezulu ayiqinisekisi ukuthembeka kwenhlangano ephelele ye-PCB.

Amafayela Okuthola Izinto Eziyingxenye kanye Nokuhlanganisa

Ukuze uthole ikhotheshini yokuhlanganisa, nikeza i-BOM izinombolo zezingxenye zomkhiqizi kanye nobuningi. Khomba noma yimiphi imikhawulo ezintweni ezithatha indawo yazo, njengoba ukutholakala kwezingxenye kanye nesimo somjikelezo wokuphila kungathinta ukutholwa kanye nokuhlela ukukhiqiza.

Faka idatha yokukhetha nokubeka, imidwebo yokuhlanganisa, ulwazi lwe-polarity, kanye nanoma yimiphi imiyalelo yenqubo ekhethekile edingekayo ukwakha ibhodi ngendlela efanele.

Ukuhlolwa Nokuhlolwa Kokusebenza

Uhlelo lokuhlola luncike kubuchwepheshe bezingxenye, ubungozi bomkhiqizo, kanye nezidingo zokwamukelwa. Kuye ngomklamo, lungafaka phakathi i-AOI, ukuhlolwa kwe-X-ray kwamaphakheji afanele, ukuhlolwa kukagesi, noma ukuhlolwa kokusebenza.

Kumaphrojekthi adinga kokubili ukwenziwa kwebhodi elingenalutho kanye ne-PCBA, buyekeza lezi zikophu ezimbili ndawonye. Bheka izinsizakalo zokuhlanganisa i-PCB ze-Highleap ukuze uthole ulwazi olwengeziwe.

Izindleko ze-Tg180 PCB kanye Nezidingo Zekhotheshini

Intengo ye-Tg180 PCB incike ekucacisweni okuphelele, hhayi nje inani le-Tg. Izinga lezinto, ukwakhiwa kwebhodi, ubunzima bokwenziwa, kanye nokutholakala kwezinto konke kuthinta ikhotheshini yokugcina.

Izici Ezithinta Izindleko ze-PCB ze-Tg180

• Izinga lezinto ezibonakalayo kanye nokutholakala kwazo: Izinhlelo ezahlukene ze-laminate, ubukhulu, kanye nezimo zokuthola izinto zingathinta izindleko kanye nesikhathi sokukhokha.
• Inani lezingqimba kanye nokuqoqwa kwazo: Ubukhulu obuqediwe, ukwakheka kwe-dielectric, izisindo zethusi, kanye nenani lezingqimba kuthinta ubunzima bokwenziwa.
• Izidingo zokubhoboza kanye nezici: Izimbobo ezincane, izilinganiso eziphezulu zobukhulu, ama-via ayinkimbinkimbi, kanye nokubekezelelana okuqinile kungandisa izidingo zokucubungula nokuhlola.
• Ukuqedwa kobuso nokuhlola: Ukukhetha kokuqeda, izidingo ze-impedance, ukuhlolwa kukagesi, kanye nokuhlolwa okwengeziwe kuthinta ikhotheshini.
• Inani le-oda kanye nomgomo wokulethwa: Ama-oda e-prototype, amancane, kanye nokukhiqiza anezimfuneko ezahlukene zokusetha nokusetshenziswa kwezinto. Usuku lokulethwa oluceliwe luphinde luthinte ukuhlela kanye nokubuyekezwa kokuthola ulwazi.
• Ububanzi bomhlangano we-PCB: Ku-PCBA, ukutholakala kwezingxenye, ubunzima bokubekwa, izidingo zokunamathisela, kanye nokuhlolwa kunegalelo ezindlekweni zephrojekthi iyonke.

Ayikho iprimiyamu yentengo ebanzi kuyo yonke i-Tg180 PCB. Umehluko wangempela wezindleko uncike ebangeni lezinto ezibonakalayo, ukwakhiwa kwebhodi, izidingo zokukhiqiza, ubuningi, kanye nokutholakala. Ukuze uthole imininingwane eyengeziwe, bheka umhlahlandlela wezindleko zokwenziwa kwe-PCB.

Yiluphi ulwazi oludingekayo ukuze uthole isilinganiso se-Tg180 PCB?

Iphakheji yedatha ephelele isiza ithimba lokukhiqiza ukuhlola umklamo, ukuqinisekisa izidingo zezinto ezibonakalayo, nokuhlonza ulwazi olungekho ngaphambi kokuhlela ukukhiqiza.

Ngokwenziwa kwe-PCB, nikeza:

• Amafayela okwenziwa kwe-Gerber noma i-ODB++ kanye namafayela okubhoboza e-NC.
• Uhlaka lwebhodi, inani lezingqimba, ukujiya okuqediwe, kanye nesisindo sethusi.
• Izidingo zokuhlanganisa kanye nobukhulu be-dielectric.
• Umkhiqizi we-laminate odingekayo kanye nezinga, uma kuchaziwe.
• Ukuqeda ubuso, imaski yokusoda, ama-impedance target, kanye nokubekezelelana okulinganayo.
• Ubuningi, usuku lokulethwa okuqondiwe, kanye nezidingo zokuhlola.

Ukuze uthole ukuhlanganiswa kwe-PCB, nikeza:

• I-BOM enezinombolo zezingxenye zomkhiqizi kanye nobuningi.
• Khetha bese ubeka noma amafayela aphakathi nendawo.
• Imidwebo yokuhlanganisa kanye nolwazi lwe-polarity yezingxenye.
• Ezinye izindlela ezivunyelwe zezingxenye noma imikhawulo yokuthola izinto.
• Inqubo yokuhlanganisa kanye nokuhlola noma izidingo zokuhlola okusebenzayo.

Uma i-laminate ingakakhethwa, chaza ukusebenza kokushisa nogesi okudingekayo bese usho ukuthi ezinye izindlela zingahlolwa yini. Noma yikuphi okunye okufanele kufakwe esikhundleni kufanele kuhlolwe ngokuhambisana nencazelo yephrojekthi futhi kuvunyelwe lapho kudingeka khona.

Kumaphrojekthi okukhiqiza nokuhlanganisa ahlanganisiwe, ukuthumela womabili amasethi amafayela kusiza ekusunguleni ububanzi obuphelele. Qala ngekhasi lesilinganiso se-PCB bese ufaka izidingo zephrojekthi ezifanele.

Imibuzo Evame Ukubuzwa Mayelana ne-Tg180 PCB

1. Kuyini i-Tg ku-PCB?

I-Tg, noma izinga lokushisa lokushintsha kwengilazi, lichaza ibanga lokushisa lapho i-laminate esekelwe ku-polymer ishintsha khona isuka esimweni esiqinile iye esimweni esithambile. Ayichazi izinga lokushisa eliphezulu lokusebenza le-PCB eqediwe.

2. Uyini umehluko phakathi kwe-Tg170 ne-Tg180 PCB?

Amazinga okushisa okushintsha kwengilazi ashiwo ahluka ngo-10°C. Ukusebenza kwangempela kwezinto kuncike ebangeni le-laminate, indlela yokuhlola, i-Td, i-Z-axis CTE, izakhiwo zikagesi, kanye nokwakhiwa kwebhodi. I-Tg180 akuyona ngokuzenzakalelayo ukukhetha okungcono kuzo zonke izinhlelo zokusebenza.

3. Uyini umehluko phakathi kwe-Tg ne-Td ezintweni ze-PCB?

I-Tg izinga lokushisa lokushintsha kwengilazi, kuyilapho i-Td izinga lokushisa lokubola elilinganiswa ngaphansi kwendlela yokuhlola ethile. Zichaza ukuziphatha kwezinto ezahlukene futhi akufanele zisetshenziswe ngokushintshana.

4. Ingabe i-FR-4 ene-Tg ephezulu iyadingeka ekusongeleni okungenalo i-lead?

Akuyona yonke idizayini. Ukufaneleka kuncike ezicini zokushisa ze-laminate, iphrofayili yokugeleza kabusha, inani lemijikelezo yokushisa, ukwakhiwa kwebhodi, kanye nezidingo zokuthembeka. Hlola izinto zokwakha kanye nenqubo yokuhlanganisa ndawonye.

5. Ingabe i-Tg180 PCB ibiza ngaphezu kwe-FR-4 ejwayelekile?

Kungenzeka, kodwa akukho mehluko wentengo oqondile. Izindleko zincike ebangeni elikhethiwe, ukujiya kwebhodi, inani lezendlalelo, ubunzima bokwenziwa, ubuningi be-oda, ukutholakala kwezinto, kanye nezidingo zokuhlola.

6. Ingabe i-Tg180 PCB ingasetshenziswa ezinhlelweni zokusebenza zesivinini esikhulu noma ezivame kakhulu?

Ezinye izinto ezizungeze ububanzi be-Tg obungu-180°C zingase zifaneleke, kodwa i-Tg yodwa ayimiseli ukusebenza kobuqiniso besiginali. Hlola i-Dk ne-Df kumafrikhwensi afanele, kanye ne-stackup, izidingo ze-impedance, kanye nemikhawulo yokulahlekelwa yisignali.

Hlela Iphrojekthi Yakho Yokukhiqiza ye-Tg180 PCB

Ukukhetha izinto ze-Tg180 PCB kudinga ibhalansi yezakhiwo ze-laminate, ukwakhiwa kwebhodi, izidingo zokukhiqiza, kanye nezimo zokuhlanganisa. Ukukhetha okulungile kuncike ebangeni eliqondile kanye nemigomo yokwamukelwa komkhiqizo oqediwe.

I-Highleap Electronics isekela ukwenziwa kwe-PCB ngokwezifiso kanye namaphrojekthi okuhlanganisa. Ukuhlinzeka ngemininingwane ecacile yezinto ezibonakalayo, amafayela okukhiqiza aphelele, kanye nedatha yokuhlanganisa lapho kufanele khona kusiza ekuchazeni ububanzi nokulungiselela ikhotheshini enembe kakhudlwana.

Lungisa amafayela akho ebhodi, izidingo zezinto ezibonakalayo, ubuningi, kanye nosuku lokulethwa okuqondiwe ukuze kubuyekezwe. Uma ukuhlanganiswa kufakiwe, nikeza amafayela e-BOM kanye nokuhlanganiswa.