1. Gịnị kpatara eji seramiiki sekit mbadamba
PCB nkịtị na-emekarị nke ọla kọpa foil na mkpụrụ bonding, na mkpụrụ ihe onwunwe bụ ukwuu n'ime iko eriri (FR-4), phenolic resin (FR-3) na ihe ndị ọzọ, nrapado na-emekarị phenolic, epoxy, wdg Na usoro nke PCB nhazi n'ihi thermal nrụgide, chemical ihe, na-ezighị ezi mmepụta usoro na ndị ọzọ, ma ọ bụ na imewe usoro n'ihi na n'akụkụ abụọ nke ọla kọpa asymmetry, ọ dị mfe na-eduga dị iche iche degrees nke warping PCB osisi.
PCB Twist
Na ọzọ PCB mkpụrụ - seramiiki mkpụrụ, n'ihi okpomọkụ dissipation arụmọrụ, ugbu a na-ebu ikike, mkpuchi, thermal mgbasa ọnụọgụ, wdg, dị nnọọ mma karịa nkịtị iko eriri PCB osisi, n'ihi ya, ọ na-ọtụtụ-eji na elu-ike electronics modul. , Aerospace, ngwá electronic agha na ndị ọzọ ngwaahịa.
Ngwa seramiiki
Na nkịtị PCB na-eji nrapado ọla kọpa foil na mkpụrụ bonding, seramiiki PCB bụ na elu okpomọkụ gburugburu ebe obibi, site n'ụzọ nke bonding ọla kọpa foil na seramiiki mkpụrụ pieced ọnụ, ike adịgide adịgide ike, ọla kọpa foil agaghị ada oyi, elu ntụkwasị obi, kwụsiri ike arụmọrụ na elu. okpomọkụ, oke iru mmiri gburugburu
2. Isi ihe nke seramiiki mkpụrụ
Alumina (Al2O3)
Alumina bụ ihe a na-ejikarị eme ihe na seramiiki, n'ihi na n'ibu, thermal na eletriki ma e jiri ya tụnyere ọtụtụ seramiki oxide ndị ọzọ, ike dị elu na nkwụsi ike kemịkalụ, na isi iyi nke akụrụngwa, dabara maka imepụta teknụzụ dị iche iche na ụdị dị iche iche. . Dị ka pasent nke alumina (Al2O3) nwere ike kewaa n'ime 75 poselin, 96 poselin, 99.5 poselin. Njirimara eletriki nke alumina fọrọ nke nta ka ọ bụrụ ihe dị iche iche nke alumina adịghị emetụta ya, mana ihe eji arụ ọrụ ya na ihe ọkụ ọkụ na-agbanwe nke ukwuu. Mkpụrụ nke nwere ịdị ọcha dị ala nwere iko karịa na oke elu elu. Ihe dị elu nke ịdị ọcha nke mkpụrụ ahụ, na-adịkwu nro, kọmpat, nkwụsị nke ọkara dị ala, mana ọnụahịa ahụ dịkwa elu.
Beryllium oxide (BeO)
Ọ nwere conductivity thermal dị elu karịa aluminom ígwè, a na-ejikwa ya n'ọnọdụ ebe ọ dị mkpa ka ọ dị mkpa ka ọ dị elu. Ọ na-ebelata ngwa ngwa mgbe okpomọkụ gafere 300 ℃, mana mmepe ya na-ejedebe site na nsị ya.
Aluminom nitride (AlN)
Aluminom nitride ceramics bụ seramiiki nwere aluminom nitride powders dị ka akụkụ kristal bụ isi. Tụnyere na alumina seramiiki mkpụrụ, mkpuchi mkpuchi, mkpuchi na-eguzogide voltaji dị elu, ala dielectric dị ala. Nrụpụta ọkụ ya bụ 7 ~ 10 ugboro nke Al2O3, yana ọnụọgụ mgbasawanye ọkụ ya (CTE) dabara na mgbawa silicon, nke dị oke mkpa maka ibe semiconductor dị elu. Na mmepụta usoro, thermal conductivity nke AlN na-emetụta nke ukwuu site na ọdịnaya nke fọdụrụ oxygen adịghị ọcha, na thermal conductivity nwere ike ịba ụba nke ukwuu site n'ibelata ikuku oxygen. Ugbu a, thermal conductivity nke usoro
Dabere na ebumnuche ndị a dị n'elu, enwere ike ịmara na seramiki alumina nọ n'ọnọdụ na-eduga na ngalaba nke microelectronics, elektrọn eletriki, microelectronics agwakọtara na modul ike n'ihi arụmọrụ ha zuru oke.
Tụnyere ahịa nke otu nha (100mm × 100mm × 1mm), dị iche iche ihe nke seramiiki mkpụrụ price: 96% alumina 9.5 yuan, 99% alumina 18 yuan, aluminum nitride 150 yuan, beryllium oxide 650 yuan, ọ pụrụ ịhụ na ọdịiche ọnụahịa dị n'etiti mkpụrụ dị iche iche dịkwa oke ibu
3. Uru na adịghị ike nke seramiiki PCB
Uru
- Nnukwu ibu ugbu a, 100A ugbu a nọgidere site 1mm 0.3mm oké ọla kọpa ahu, okpomọkụ ịrị elu nke banyere 17 ℃
- The okpomọkụ ịrị elu bụ nanị banyere 5 ℃ mgbe 100A ugbu a nọgidere na-agafe 2mm 0.3mm oké ọla kọpa ahu.
- Ịrụ ọrụ mgbasawanye okpomọkụ ka mma, ọnụọgụ mgbasawanye ọkụ dị ala, ọdịdị kwụsiri ike, adịghị mfe ịlụ ọgụ.
- Ihe mkpuchi dị mma, nkwụsị ọkụ dị elu, iji hụ na nchekwa onwe onye na akụrụngwa.
Ọdịmma
Fragility bụ otu n'ime ihe ndị na-adịghị mma, nke na-eduga n'ime naanị obere mbadamba.
Ọnụ ego ahụ dị oke ọnụ, ihe ndị a chọrọ nke ngwaahịa eletrọnịkị na-abawanye iwu, seramiiki sekit sekit ma ọ bụ jiri ya mee ihe na ụfọdụ ngwaahịa ndị ọzọ dị elu, a gaghị eji ngwaahịa dị ala mee ihe ọ bụla.
4. Ojiji nke seramiiki PCB
a. Igwe eletrọnịkị ike dị elu, modul panel anyanwụ, wdg
- Ọkụ ọkụ na-agbanwe ugboro ugboro dị elu, relay steeti siri ike
- Igwe eletrọnịkị ụgbọ ala, ikuku ikuku, ngwa eletrọnịkị ndị agha
- Ngwaahịa ọkụ ọkụ ọkụ dị elu
- antenna nkwukọrịta