He aha nā mea i hoʻohana pinepine ʻia no nā prototypes papa PCB?

I ka hiki ʻana mai i ka prototyping papa PCB, he mea koʻikoʻi ke koho ʻana i ka mea kūpono. ʻO nā mea i hoʻohana ʻia i nā prototypes PCB hiki ke loaʻa ka hopena koʻikoʻi i ka hana, hilinaʻi, a me ka lōʻihi o ka huahana hope.Ma kēia pou moʻomanaʻo, e ʻimi mākou i kekahi o nā mea prototyping papa PCB i hoʻohana pinepine ʻia a kūkākūkā i kā lākou pono a me nā hemahema.

1.FR4:

ʻO FR4 ka mea i hoʻohana nui ʻia no ka prototyping papa PCB. He laminate epoxy i hoʻoikaika ʻia i ke aniani i ʻike ʻia no kāna mau waiwai insulation uila maikaʻi loa. Loaʻa iā FR4 ke kūpaʻa wela kiʻekiʻe, kūpono ia no nā noi e koi ana i ka hana wela kiʻekiʻe.

ʻO kekahi o nā pōmaikaʻi nui o FR4 ʻo ia ke kumu kūʻai. He mea maʻalahi ke hoʻohālikelike ʻia me nā mea ʻē aʻe ma ka mākeke. Hoʻohui ʻia, loaʻa iā FR4 ke kūpaʻa mechanical maikaʻi a hiki ke kū i nā pae kiʻekiʻe o ke koʻikoʻi me ka ʻole o ka deformation a i ʻole ka haki ʻana.

Eia naʻe, loaʻa iā FR4 kekahi mau palena. ʻAʻole kūpono ia no nā noi e koi ana i ka hana alapine kiʻekiʻe ma muli o kāna mau dielectric kiʻekiʻe. Eia hou, ʻaʻole kūpono ʻo FR4 no nā noi e koi ana i ka tangent haʻahaʻa a i ʻole ka mana impedance paʻa.

2. ʻO Rogers:

ʻO Rogers Corporation kahi koho kaulana ʻē aʻe no ka prototyping papa PCB. Uaʻikeʻia nā mea Rogers no ko lākou mauʻoihana kiʻekiʻe, e kūpono iā lākou no ka nui o nā noi, e like me ka aerospace, ke kelepona a me nāʻoihana kaʻa.

Loaʻa i nā mea ʻo Rogers nā waiwai uila maikaʻi loa, e komo pū me ka nalowale dielectric haʻahaʻa, ka distortion hōʻailona haʻahaʻa a me ka conductivity thermal kiʻekiʻe. Loaʻa iā lākou ke kūpaʻa dimensional maikaʻi a hiki ke kū i nā kūlana kūlohelohe koʻikoʻi.

Eia naʻe, ʻo ka hemahema nui o nā mea Rogers ko lākou kumukūʻai kiʻekiʻe. ʻOi aku ka nui o ke kumukūʻai o Rogers ma mua o FR4, hiki ke lilo i kumu palena ʻole i kekahi mau papahana.

3. Metala kumu:

ʻO ka Metal Core PCB (MCPCB) kahi ʻano kūikawā o ka prototype papa PCB e hoʻohana ana i ke kumu metala ma kahi o ka epoxy a i ʻole FR4 ma ke ʻano he substrate. Hāʻawi ke kumu metala i ka hoʻoheheʻe wela maikaʻi loa, e kūpono ana i ka MCPCB no nā noi e koi ana i nā LED mana kiʻekiʻe a i ʻole nā ​​​​mea uila uila.

Hoʻohana pinepine ʻia ʻo MCPCB i ka ʻoihana kukui, ʻoihana kaʻa a me ka ʻoihana uila uila. Hāʻawi lākou i ka hoʻokele wela ʻoi aku ka maikaʻi ma mua o nā PCB kuʻuna, e hoʻonui ai i ka hilinaʻi holoʻokoʻa a me ka lōʻihi o ka huahana.

Eia naʻe, loaʻa i ka MCPCB kekahi mau hemahema. ʻOi aku ke kumukūʻai ma mua o nā PCB maʻamau, a ʻoi aku ka paʻakikī o ka mīkini metala i ka wā o ka hana ʻana. Eia hou, ua kaupalena ʻia ka MCPCB a ʻaʻole kūpono ia no nā noi e pono ai ke kulou a wili paha.

Ma waho aʻe o nā mea i'ōleloʻia ma luna nei, aia kekahi mau mea kūikawā'ē aʻe i loaʻa no nā noi kiko'ī. No ka laʻana, hoʻohana ka PCB hikiwawe i ka polyimide a i ʻole ka polyester film ma ke ʻano he kumu kumu, e hiki ai i ka PCB ke kūlou a lohi paha. Hoʻohana ʻo Ceramic PCB i nā mea seramika e like me ka substrate, nona ka conductivity thermal maikaʻi a me ka hana kiʻekiʻe.

Ma ka hōʻuluʻulu, ke koho ʻana i ka mea kūpono no kāu prototype papa PCB he mea koʻikoʻi i ka hoʻokō ʻana i ka hana maikaʻi loa, hilinaʻi, a me ka lōʻihi. ʻO FR4, Rogers, a me nā mea metala kumu kekahi o nā koho maʻamau, ʻo kēlā me kēia me kā lākou pono ponoʻī a me nā hemahema. E noʻonoʻo i nā koi kikoʻī o kāu papahana a kūkākūkā me kahi mea hana PCB ʻoihana e hoʻoholo i nā mea maikaʻi loa no kāu prototype PCB.