Ukukhiqiza Amabhodi Esifunda SeCeramic: Yiziphi izinto ezisetshenziswayo?

Kulokhu okuthunyelwe kwebhulogi, sizohlola izinto eziyinhloko ezisetshenziswa ekukhiqizeni amabhodi esifunda se-ceramic futhi sixoxe ngokubaluleka kwawo ukuze kuzuzwe ukusebenza kahle.

Ekukhiqizeni amabhodi wesifunda se-ceramic, izinto ezihlukahlukene zidlala indima ebalulekile ekuqinisekiseni ukusebenza kwazo nokuthembeka. Amabhodi esekethe e-Ceramic, aziwa nangokuthi amabhodi wesifunda se-ceramic aphrintiwe (ama-PCB), asetshenziswa kabanzi ezimbonini ezahlukahlukene ezihlanganisa i-electronics, i-aerospace kanye nezimoto ngenxa ye-thermal conductivity enhle kakhulu, izinga lokushisa eliphezulu lokusebenza kanye nezakhiwo zikagesi eziphakeme.

Amabhodi wesifunda se-Ceramic ikakhulukazi akhiwa inhlanganisela yezinto ze-ceramic nezinsimbi, akhethwe ngokucophelela ukuze ahlangabezane nezidingo ezithile zezinhlelo zokusebenza ezahlukene.

1. I-Ceramic substrate:

Isisekelo sebhodi lesifunda se-ceramic yi-substrate ye-ceramic, ehlinzeka ngesisekelo sazo zonke ezinye izingxenye. I-Aluminium oxide (Al2O3) ne-aluminium nitride (AlN) yizinto ezisetshenziswa kakhulu zobumba. I-Alumina inamandla amahle kakhulu emishini, i-thermal conductivity ephezulu kanye nokufakwa kahle kukagesi, okwenza ifanelekele uhla olubanzi lwezinhlelo zokusebenza. I-Aluminium nitride, ngakolunye uhlangothi, inikezela nge-thermal conductivity enhle kakhulu kanye nezakhiwo zokunweba ezishisayo, okuyenza ilungele izinhlelo zokusebenza ezidinga ukuchithwa kokushisa okusebenzayo.

2. Imikhondo ye-conductive:

Imikhondo ye-conductive inesibopho sokuthwala amasignali kagesi phakathi kwezingxenye ezahlukene ebhodini lesekethe. Emabhodini wesifunda se-ceramic, ama-conductor ensimbi afana negolide, isiliva, noma ithusi asetshenziselwa ukudala le mikhondo. Lezi zinsimbi zikhethwe ngenxa ye-conductivity ephezulu kagesi kanye nokuhambisana nama-substrates e-ceramic. Igolide livame ukuthandwa ngenxa yokumelana nokugqwala okuhle kakhulu kanye nezakhiwo zikagesi ezizinzile, ikakhulukazi ezinhlelweni ezisebenza ngamaza aphezulu.

3. Isendlalelo se-Dielectric:

Izendlalelo ze-Dielectric zibalulekile ekufakeni imikhondo ye-conductive kanye nokuvimbela ukuphazamiseka kwesignali namasekhethi amafushane. Izinto ezivame kakhulu ze-dielectric ezisetshenziswa kumabhodi wesifunda se-ceramic yingilazi. Ingilazi inezindawo ezinhle kakhulu zokuvikela ugesi futhi ingafakwa njengongqimba oluncane kuma-substrates e-ceramic. Ngaphezu kwalokho, ungqimba lwengilazi lungenziwa ngokwezifiso ukuze lube nenani elithile le-dielectric elingaguquki, okuvumela ukulawula okunembile kwezakhiwo zikagesi zebhodi lesifunda.

4. Imaski ye-solder nokwelashwa kwendawo:

Imaski ye-Solder isetshenziswa ngaphezulu kwe-conductive traces ukuze ivikeleke ezintweni ezizungezile ezifana nothuli, umswakama kanye ne-oxidation. Lezi zimaski ngokuvamile zenziwa ngezinto ezisekelwe epoxy noma ze-polyurethane ezihlinzeka ngokufakwa nokuvikela. Sebenzisa ukwelapha okungaphezulu okufana nethayela lokucwiliswa noma i-golden plating ukuze uthuthukise ukudaleka kwebhodi futhi uvimbele ukukhishwa kwe-oxidation kwemikhondo yethusi eveziwe.

5. Ngokugcwalisa impahla :

I-Vias yizimbobo ezincane ezibhobozwe ngebhodi lesifunda elivumela ukuxhumana kukagesi phakathi kwezingqimba ezihlukene zebhodi. Emabhodini wesifunda se-ceramic, ngezinto zokugcwalisa zisetshenziselwa ukugcwalisa lezi zimbobo futhi kuqinisekiswe ukuqhutshwa kukagesi okuthembekile. Okujwayelekile ngezinto zokugcwalisa kufaka phakathi ama-condutive paste noma izigcwalisi ezenziwe ngesiliva, ithusi noma ezinye izinhlayiya zensimbi, ezixutshwe nengilazi noma izigcwalisi ze-ceramic. Le nhlanganisela inikeza ukuzinza kukagesi kanye nemishini, iqinisekisa ukuxhumana okuqinile phakathi kwezingqimba ezihlukene.

Ngokufigqiwe

Ukukhiqizwa kwamabhodi wesifunda se-ceramic kuhilela inhlanganisela yezinto ze-ceramic, izinsimbi nezinye izinto ezikhethekile. I-Aluminium oxide ne-aluminium nitride isetshenziswa njengama-substrates, kuyilapho izinsimbi ezifana negolide, isiliva nethusi zisetshenziselwa imikhondo yokuhambisa. Ingilazi isebenza njengempahla ye-dielectric, ihlinzeka ngokufakwa kukagesi, futhi imaski ye-epoxy noma ye-polyurethane solder ivikela iminonjana ye-conductive. Ukuxhumana phakathi kwezendlalelo ezihlukene kusungulwa ngokusebenzisa impahla yokugcwalisa ehlanganisa unamathisele oqhubayo nama-filler.

Ukuqonda izinto ezisetshenziswa ekukhiqizeni amabhodi esekethe e-ceramic kubalulekile konjiniyela nabaklami ukuthuthukisa amadivaysi kagesi asebenzayo futhi athembekile. Ukukhetha izinto ezifanele kuncike ezidingweni ezithile zohlelo lokusebenza ezifana ne-thermal conductivity, izakhiwo zikagesi kanye nezimo zemvelo. Ngokusebenzisa izici eziyingqayizivele zempahla ngayinye, amabhodi esekethe e-ceramic ayaqhubeka nokuguqula izimboni ezihlukahlukene ngokusebenza kwawo okuphezulu nokuqina.