He aha ka ʻokoʻa ma waena o FR4 a me nā laminates epoxy ʻē aʻe?

I ka wā e pili ana i nā papa kaapuni i paʻi ʻia (PCB), he mea koʻikoʻi ke koho ʻana i nā mea hana. Ma waena o nā mea he nui i hoʻohana ʻia i ka hana ʻana o PCB, kū ʻo FR4 ma ke ʻano he mea kaulana loa ma muli o kona mau waiwai mechanical a me ka uila maikaʻi loa. Akā pehea e hoʻohālikelike ai ʻo Epoxy FR4 me nā laminates epoxy ʻē aʻe? Ma kēia blog, e ʻimi mākou i nā ʻokoʻa ma waena o FR4 a me nā laminates epoxy ʻē aʻe, e kālele ana i nā mea nui e hoʻohuli i ka hana a me ka hoʻohana ʻana o kēia mau mea.

Ka hoʻomaopopo ʻana i ka Epoxy FR4: He aha ka mea e kūʻokoʻa ai?

ʻO FR4, a i ʻole Fire Retardant 4, he hana papa no ka mea uhi uhi epoxy i kūkulu ʻia i ke aniani. Hoʻohana maʻamau ia i ka hana ʻana i ka PCB ma muli o kāna pale uila kupaianaha, ikaika mechanical kiʻekiʻe, a me ke ahi retardancy. ʻO ka lole fiberglass i ulana ʻia a me ka epoxy resin binder e hāʻawi iā FR4 i kāna mau waiwai paʻa ʻo ia nā mea nui.

ʻO kekahi o nā hiʻohiʻona koʻikoʻi o FR4 ʻo ia kona ikaika dielectric kiʻekiʻe, e hana ana i kahi encasing kupaianaha. He mea nui kēia i ka hōʻoia ʻana ʻaʻohe pilikia uila ma waena o nā ʻāpana ma ka PCB a e hana pono ia. Eia kekahi, he haʻahaʻa haʻahaʻa ka paʻa wai o FR4, a ʻo ia ka mea e paʻa mau i nā kūlana wai, e kūpono ana i nā noi like ʻole, me ka ea ākea a me nā hoʻonohonoho hou.

Ma muli o kona hiki ke kū i nā wela kiʻekiʻe me ka ʻole o ka ʻā ʻana, kaulana nō hoʻi ʻo FR4 no kāna mau ʻano pale ahi. Ma muli o kēia, ʻoi aku ka palekana no nā mea uila e wela paha. Ma waho aʻe, ʻo ka ikaika mechanical o FR4 e hōʻoiaʻiʻo e hoʻomau ka PCB me kāna ʻoiaʻiʻo mua ma lalo o ke kaomi, e hōʻemi ana i ka piliwaiwai o ka pōʻino i ka wā o ka hui ʻana a i ʻole ka hana.

Hoʻohālikelike i ka FR4 me nā Lamina Epoxy ʻē aʻe: Nā ʻokoʻa koʻikoʻi

ʻOiai ʻo Epoxy FR4 kahi koho kaulana, aia kekahi mau epoxy laminates ʻē aʻe i loaʻa i kūpono paha no nā noi kikoʻī. E hoʻohālikelike kākou iā FR4 me kekahi mau epoxy laminates maʻamau e hoʻomaopopo ai i ko lākou ʻokoʻa.

FR5 (Laminate Epoxy Kūlana Kiʻekiʻe)

E like me FR4, ua hoʻonui ka FR5 i ke kū'ē i nā wela kiʻekiʻe. I nā kūlana kahi i kau ʻia ai nā PCB i ka wela loa, hoʻohana ʻia ia. Hoʻopaʻa ʻo FR5 i kona ikaika mechanical a me nā waiwai pale uila i nā wela kiʻekiʻe, e kūpono ia no nā noi hoʻokō ʻoi aku ka maikaʻi. Eia nō naʻe, ma muli o kona kumukūʻai kiʻekiʻe ma mua o FR4, hoʻohana maʻamau ia no nā noi kūikawā.

CEM-1 (Mea Epoxy Hui 1)

Hoʻohui ʻia ka pepa a me ka resin epoxy i loko o kekahi ʻano laminate epoxy i ʻike ʻia ʻo CEM-1. He koho akamai ia i ka hoʻohālikelike ʻana me Epoxy FR4 akā me nā waiwai mechanical a me nā uila haʻahaʻa. Hoʻohana pinepine ʻia ʻo CEM-1 i nā PCB papa hoʻokahi, kahi i ʻole paʻa loa nā koi no ka ikaika mechanical a me ka hoʻokō dielectric e like me nā PCB multi-facet. I kēlā me kēia hihia, ua hala ʻo CEM-1 i ka māka ma nā waiwai pale ahi o FR4, e hoʻolilo ana iā ia i mea kūpono ʻole no nā noi maʻamau wela kiʻekiʻe a palekana paha.

G10 (Laminate Epoxy Kumu Nui)

ʻO G10 kahi mana hoʻopaʻa ahi ʻole o FR4. Hāʻawi ia i nā waiwai mechanical a me ka uila akā ʻaʻole me ka hoʻopaneʻe ahi. Hoʻohana ʻia ʻo G10 i nā noi kahi ʻaʻole koʻikoʻi ka pale ʻana i ke ahi, a ʻo ka mālama ʻana i ke kumu kūʻai ma mua. Eia nō naʻe, pono e noʻonoʻo i nā hopena palekana i ka wā e hoʻohana ai i ka G10 i nā mea uila, no ka mea, ʻaʻole ia e hāʻawi i ka pae like o ka pale ahi e like me FR4.

Ke koho ʻana i nā mea pono: Nā mea e noʻonoʻo ai

ʻO ke koho ʻana i ka epoxy laminate kūpono no kāu PCB e pili ana i kekahi mau kumu, me nā kūlana kaiapuni o ka noi, nā koi uila, a me nā palena kumukūʻai. Eia kekahi mau mea nui e noʻonoʻo ai i ke koho ʻana ma waena o Epoxy FR4 a me nā epoxy laminates ʻē aʻe:

ʻO ka hoʻoikaika o ka piʻiʻana

Inā pili kāu noi i nā mahana hana kiʻekiʻe, e like me ka mīkini kaʻa a i ʻole nā ​​​​mea uila, pono paha ʻoe i kahi mea e like me FR5 hiki ke kū i ka wela loa. Eia nō naʻe, no ka hapa nui o nā noi uila maʻamau, hāʻawi ʻo FR4 i ka paʻa wela kūpono.

Ikaika Mechanical

No nā noi kahi e hoʻokau ʻia ai ka PCB i ke koʻikoʻi mechanical, e like me nā polokalamu kelepona a i ʻole ʻenehana hiki ke hoʻohana ʻia, he mea koʻikoʻi ka ikaika mechanical o ka laminate. Hāʻawi ka FR4's fiberglass reinforcement i ka lōʻihi maikaʻi loa, e lilo ia i koho hilinaʻi no kēia mau noi.

Hoʻokaʻa uila

He mea nui ka ikaika dielectric o ka laminate no ka pale ʻana i ka hoʻopili uila a me ka hōʻoia ʻana i ka hana pono o ka PCB. ʻO ka ikaika dielectric kiʻekiʻe o FR4 e lilo ia i mea kūpono no nā PCB e koi ana i ka insulation uila ikaika.

Hoʻopaʻa ahi

He mea nui ka palekana i ka hana ʻana i nā mea uila. Hāʻawi nā waiwai pale ahi o FR4 i kahi ʻāpana o ka pale ʻana, e kūpono ana i nā hāmeʻa i ʻike ʻia i nā wela kiʻekiʻe a i ʻole nā ​​pōʻino ahi.

Kūpono-kāki

He kuleana koʻikoʻi nō hoʻi ka noʻonoʻo ʻana i ke kālā ma ke koho ʻana i nā mea. ʻOiai hāʻawi ʻo FR4 i kahi kaulike o ka hana a me ke kumukūʻai, ʻoi aku ka maikaʻi o nā mea ʻē aʻe e like me CEM-1 no nā noi haʻahaʻa. Eia nō naʻe, pono ke kaupaona ʻana i nā kumukūʻai e kūʻē i nā mea kūʻai aku i ka hana a me ka palekana.

Panina

I ka hopena, he mea hana maʻalahi a hilinaʻi hoʻi ʻo Epoxy FR4 no ka hana ʻana i ka PCB, e hāʻawi ana i kahi kaulike o ka insulation uila, ka ikaika mechanical, a me ka pale ʻana i ka lapalapa. ʻOiai ʻo nā laminates epoxy ʻē aʻe e like me FR5, CEM-1, a me G10 he mau pono kūikawā ko lākou, ʻo FR4 ke koho kaulana no nā ʻano noi uila like ʻole. I ke koho ʻana i ka mea kūpono no kāu PCB, he mea nui e noʻonoʻo i nā koi kikoʻī o kāu noi, me ke kūpaʻa ʻana i ka mahana, ka ikaika mechanical, ka insulation uila, a me ke kumukūʻai. ʻO ka hoʻomaopopo ʻana i nā ʻokoʻa ma waena o FR4 a me nā laminates epoxy ʻē aʻe e kōkua iā ʻoe e hoʻoholo i kahi hoʻoholo naʻauao, e hōʻoia ana e hana maikaʻi ana kāu PCB i kona wahi i manaʻo ʻia.

Inā makemake ʻoe i ke kōkua hou aku i ke koho ʻana i ka mea kūpono no kāu papahana a makemake paha e aʻo hou e pili ana i kā mākou huahana, e ʻoluʻolu e hoʻokaʻaʻike mai iā mākou ma info@jhd-material.com . Eia kā mākou hui o nā loea e kōkua iā ʻoe e loaʻa ka hopena maikaʻi loa no kāu mau pono.

E hoʻomaopopo '

1. "Hoʻohālikelike o FR4 a me nā mea PCB ʻē aʻe: He haʻawina piha" - PCB Design Magazine.

2. "Kiʻekiʻe-Temperature Epoxy Laminates: Pono a me nā noi" - Journal of Electronic Materials.

3. "E hoʻomaopopo i ka FR4 a me ka FR5 Laminates: Mechanical and Thermal Properties" - IEEE Transactions on Electronics Packaging Manufacturing.

4. "CEM-1 vs. FR4: He Hoʻohālikelike Hoʻohālikelike no ka Hana ʻana PCB" - Electronics Weekly.

5. "G10 Laminates: Mechanical Strength and Applications in Non-Flame Retardant Environments" - Advanced Materials Research.

6. "Nā Waiwai a me Uila o nā Lamina Epoxy like ʻole" - Hana Hana.

7. "Hoʻopaneʻe Ke ahi ma nā Epoxy Laminates: FR4 a me nā mea'ē aʻe" - Puke Puke ahi.

8. "Ka uku-pono a me ka hana o Epoxy Laminates ma PCB Design" - Kaapuni Cellar.