Mea hoʻolako ʻeleu uila kaapuni i hoʻohui ʻia LM2904 ADS8341E/2K5 OPT3001IDNPRQ1 TPS79101DBVRG4Q1 ic chip

1.He aha ka hoʻopaʻa ʻana?

ʻO ka hoʻopaʻa ʻana he ala ia o ka hoʻopaʻa ʻana i ke kaʻina hana chip, hoʻohana maʻamau e hoʻopili i ka circuit circuitry o ka chip i nā pine pōʻai me ka uea gula ma mua o ka hoʻopaʻa ʻana, a ma hope o ka hoʻopaʻa ʻana (ʻo ia hoʻi ma hope o ka pili ʻana o ka circuitry i nā pine) i hoʻopili ʻia me kahi gel ʻeleʻele i ka wā e hoʻohana ana i ka ʻenehana hoʻopihapiha o waho COB (ChipOnBoard), ua hoʻāʻo kēia kaʻina i ka wafer epitaxial i hoʻokomo ʻia i loko o ka papa kaapuni kūikawā, a laila hoʻopili ʻia ka epitaxial wafer circuit i ka papa kaapuni me ka uea gula, a laila heheʻe. me kahi hana pale kūikawā o nā mea kūlohelohe i uhi ʻia me nā wafers epitaxial e hoʻopau i ka post-encapsulation o ka chip.

2.He aha ka semiconductor?

E hoʻomaka kākou me ke ʻano o ka semiconductor.Mai kahi hiʻohiʻona o ka ʻike: he semiconductor kahi mea me nā waiwai conductive ma waena o ka mea alakaʻi a me kahi insulator i ka lumi wela.E like me ke ola o kēlā me kēia lā, ʻo nā uea keleawe a me nā alumini nā mea hoʻokele, ʻoiai ʻo ka lāʻau a me nā mea like he insulators.Ma ke ʻano o ka conductivity uila: ʻo ka semiconductor kahi mea me ka conductivity uila i hoʻomalu ʻia, mai ka insulator a i ka conductor.

ʻEhā mau waiwai o semiconductor.

Hiki ke ʻike ʻia ka loaʻa ʻana o nā semiconductor a hiki i ka makahiki 1833, i ka wā i ʻike mua ai ʻo Faraday, ka mea ʻepekema Pelekane, a me ka makua o nā mea uila, he ʻokoʻa ke kūʻē ʻana o ka sulfide kālā me ka mahana ʻokoʻa mai ko nā metala maʻamau, ʻo ia ka mea mua. ka ʻike ʻana i ka hanana semiconductor.

Akā ʻaʻole i hoʻopau ʻia kahi hōʻuluʻulu o nā waiwai o nā semiconductor a hiki i Dekemaba 1947 e Bell Laboratories.

Piʻi ka mahana, a hāʻule ke kū'ē: emi ke kū'ē o kahi semiconductor i ka piʻi ʻana o ka mahana, akā, ma ke ʻano nui, piʻi ke kūʻē o kahi metala me ka mahana.

ʻO ka hopena Photovoltaic: ʻo ka hui ʻana i hana ʻia e ka hoʻopili ʻana ma waena o kahi semiconductor a me kahi electrolyte e hoʻopuka i ka volta ke ʻike ʻia i ka mālamalama.

Ka hopena Photoconductive: piʻi ka conductivity o kahi semiconductor i mua o ka mālamalama.

Ka hopena hoʻoponopono: ʻo ka conductivity o kahi semiconductor he kuhikuhi a pili i ke kuhikuhi o ke kahua uila i hoʻopili ʻia.E hoʻohui i ka volta maikaʻi i nā wēlau o kahi semiconductor a he conductive ia;inā hoʻohuli ʻia ka polarity voltage, ʻaʻole kūpono ia.