ʻO ka ʻenehana maikaʻi loa kekahi o nā mea hana pcb maikaʻi loa a me nā mea hoʻolako papa kaapuni paʻi ma Kina
ʻLelo
ʻO ka ʻenehana maikaʻi loa kekahi o nā mea hana pcb maikaʻi loa a me nā mea hoʻolako papa kaapuni paʻi ma Kina
"PCB aoao hookahi", a i ʻole hiki iā ʻoe ke kapa iā ia ʻo Single Layer PCB, a i ʻole 1L PCB. Ma laila'ʻAʻole hoʻokahi ʻāpana keleawe ma ka papa, nā ʻāpana SMD ma kekahi ʻaoʻao (ma nā ʻāpana puka ma kēlā ʻaoʻao), akā ʻaʻohe PTH (plated through hole) a i ʻole Via, loaʻa iā NPTH (no-plated throgh hole), a i ʻole wahi. puka.
ʻO ia ke ʻano papa maʻalahi loa, a hoʻohana ʻia i ka papa maʻalahi loa. I mea e loaʻa ai ke kumukūʻai haʻahaʻa, i kekahi manawa e hoʻohana nā kānaka i ka CEM-1, CEM-3 ma kahi o FR4, e hana i ka papa kaapuni. I kekahi manawa, e kāʻili ka hale hana i hoʻokahi meheu keleawe mai kahi 2L CCL (copper clad laminate) inā ʻaʻohe 1L FR4 raw materail i loaʻa.
Ma laila's kekahi papa maʻamau"2L PCB" nona ka meheu keleawe 2, a ua kapaia hoi he"PCB ʻaoʻao ʻelua" (D/S PCB), a me PTH (Via) he mea pono, akā naʻe't ua kanuia a i ole puka makapo. Hiki ke hōʻuluʻulu ʻia nā ʻāpana ma ka ʻaoʻao ʻelua a me lalo, no laila e hana ʻoe'Pono ʻoe e hopohopo e pili ana i kahi e kau ai i nā ʻāpana ma ka papa, a ʻaʻole pono e hoʻohana ma o nā ʻāpana lua i ʻoi aku ka maikaʻi ma mua o ka SMD.
I kēia manawa ʻo kēia kekahi o nā ʻano PCB kaulana loa ma ka Honua, a hiki iā mākou ke hāʻawi i ka lawelawe wikiwiki wikiwiki 24 no lākou. Kaomi ma aneʻi e ʻike i ka manawa alakaʻi no nā ʻano papa kaapuni ʻelua.
Hoʻolālā o ka ʻaoʻao hoʻokahi (1L) PCB
Eia ka papa kuhikuhi no ka ʻaoʻao hoʻokahi (S/S) FR4 PCB (mai luna a lalo):
ʻO ka silkscreen/Legend kiʻekiʻe: e ʻike i ka inoa o kēlā me kēia PAD, helu ʻāpana o ka papa, ʻikepili, a pēlā aku;
ʻO ka hoʻopau ʻana o ka ʻili kiʻekiʻe: e pale i ke keleawe i hōʻike ʻia mai ka hoʻonā ʻana;
Top Soldermask (overlay): e pale i ke keleawe mai ka oxidation, ʻaʻole e kūʻai ʻia i ka wā SMT;
Top Trace: keleawe i kālai ʻia e like me ka hoʻolālā e hoʻokō i nā hana like ʻole
Mea paʻa/ʻoi loa: Non-conductive e like me FR4, FR3, CEM-1, CEM-3.
Hoʻolālā o ka ʻaoʻao ʻelua (2L) PCB
ʻO ka silkscreen/Legend kiʻekiʻe: e ʻike i ka inoa o kēlā me kēia PAD, helu ʻāpana o ka papa, ʻikepili, a pēlā aku;
ʻO ka hoʻopau ʻana o ka ʻili kiʻekiʻe: e pale i ke keleawe i hōʻike ʻia mai ka hoʻonā ʻana;
Top Soldermask (overlay): e pale i ke keleawe mai ka oxidation, ʻaʻole e kūʻai ʻia i ka wā SMT;
Top Trace: keleawe i kālai ʻia e like me ka hoʻolālā e hoʻokō i nā hana like ʻole
Mea paʻa/mea kumu: Non-conductive e like me FR4, FR5
ʻO ka ʻaoʻao lalo (inā loaʻa): (e like me ka mea i ʻōlelo ʻia ma luna)
Soldermask lalo (ka uhi): (e like me ka mea i ʻōlelo ʻia ma luna)
ʻO ka pau ʻana o ka ʻili lalo: (e like me ka mea i ʻōlelo ʻia ma luna)
ʻO ka pale silk/kaʻao lalo: (e like me ka mea i ʻōlelo ʻia ma luna)
ʻO ka mea hoʻolako papa kaapuni paʻi ʻenehana maikaʻi loa, i hoʻokumu ʻia ma Iune 28, 2006, he hui i kākau inoa ʻia ma Hong Kong.
