Nhazi site na ala ruo n'elu bụ nke a:
94HB/94VO/22F/CEM-1/CEM-3/FR-4
Nkọwa bụ ndị a:
94HB: kaadiboodu nkịtị, ọ bụghị ọkụ (ihe kacha dị ala, ịkụ ọkpọ, enweghị ike iji ya dị ka bọọdụ ike)
94V0: kaadiboodu ire ọkụ (ịkụ ọkpọ)
22F: bọọdụ fiber ọkara nwere akụkụ nwere otu (ịkụ ọkpọ)
CEM-1: bọọdụ fiberglass nwere otu akụkụ (a ga-eji kọmpụta gbachie ya, ọ bụghị ọkpọ)
CEM-3: Ogwe osisi fiberglass nke nwere akụkụ abụọ (ma e wezụga maka kaadiboodu nke nwere akụkụ abụọ, nke bụ ihe kachasị dị ala maka akụkụ abụọ. Ihe dị mfe nwere ike iji ihe a, nke bụ 5 ~ 10 yuan / square. mita dị ọnụ ala karịa FR-4)
FR-4: bọọdụ fiberglass nwere akụkụ abụọ
Azịza kacha mma
Enwere ike kewaa 1.c nhazi nke ihe na-egbochi ire ọkụ n'ụdị anọ: 94V-0/V-1/V-2 na 94-HB
2. Prepreg: 1080=0.0712mm, 2116=0.1143mm, 7628=0.1778mm
3. FR4 CEM-3 bụ osisi, fr4 bụ iko eriri osisi, cem3 bụ ihe mejupụtara mkpụrụ.
4. Halogen-free na-ezo aka na isi ihe na-enweghị halogen (fluorine, bromine, iodine na ihe ndị ọzọ), n'ihi na bromine ga-emepụta gas na-egbu egbu mgbe ọkụ, nke a chọrọ site na nchebe gburugburu ebe obibi.
Ise.Tg bụ iko mgbanwe okpomọkụ, ya bụ, ebe agbaze.
Igwe sekit ahụ aghaghị ịbụ ọkụ na-eguzogide ọkụ, ọ pụghị ọkụ na okpomọkụ ụfọdụ, ọ nwere ike ime ka ọ dị nro.A na-akpọ ebe okpomọkụ n'oge a iko mgbanwe okpomọkụ (Tg point), na uru a metụtara nkwụsi ike akụkụ nke osisi PCB.
Gịnị bụ elu Tg PCB sekit osisi na uru nke iji a elu Tg PCB
Mgbe okpomọkụ nke mbadamba Tg dị elu bilitere na mpaghara ụfọdụ, mkpụrụ ahụ ga-agbanwe site na "steeti iko" gaa na "ọnọdụ roba", na okpomọkụ n'oge a na-akpọ okpomọkụ mgbanwe iko (Tg) nke osisi.Ya bụ, Tg bụ okpomọkụ kachasị elu (° C.) nke mkpụrụ osisi na-anọgide na-esi ike.Nke ahụ bụ, ndị nkịtị PCB mkpụrụ ihe bụghị naanị nro, deform, gbazee, wdg na elu okpomọkụ, ma na-egosi a nkọ ọdịda n'ibu na eletriki Njirimara (m na-eche na ị na-achọghị ịhụ ọnọdụ a na gị onwe gị ngwaahịa. site n'ile anya na nhazi nke mbadamba PCB. ).Biko ewepụla ọdịnaya nke saịtị a
N'ozuzu, Tg nke efere dị n'elu 130 degrees, elu Tg na-adịkarị karịa 170 degrees, na ọkara Tg karịrị 150 degrees.
N'ozuzu, PCB ebi ebi mbadamba na Tg ≥ 170°C na-akpọ elu Tg ebi akwụkwọ mbadamba.
A na-abawanye Tg nke mkpụrụ ahụ, a ga-eme ka ọ dịkwuo mma ma na-emeziwanye okpomọkụ na-eguzogide, mmiri na-eguzogide mmiri, nguzogide kemịkalụ, na nkwụsi ike nke osisi a na-ebipụta.Ọnụ ahịa TG dị elu, ka mma na-eguzogide okpomọkụ nke osisi ahụ, karịsịa na usoro enweghị ndu, enwere ngwa Tg dị elu karị.
Elu Tg pụtara nnukwu nguzogide okpomọkụ.Na ngwa ngwa mmepe nke ngwá electronic ụlọ ọrụ, karịsịa electronic ngwaahịa na-anọchi anya kọmputa, na-emepe emepe kwupụta elu ọrụ na elu multi-layers, nke na-achọ elu okpomọkụ iguzogide nke PCB mkpụrụ ihe dị ka ihe dị mkpa nkwa.Mwepụta na mmepe nke teknụzụ na-arị elu dị elu nke SMT na CMT na-anọchi anya ya mere PCB ka ọ bụrụ nke a na-apụghị ịgbagha agbagha na nkwado nke nnukwu okpomọkụ na-eguzogide nke mkpụrụ n'ihe gbasara obere oghere, ezi akara, na thinning.
Ya mere, ihe dị iche n'etiti FR-4 n'ozuzu na elu Tg FR-4 bụ na ike n'ibu, nkwụsi ike akụkụ, adhesion, mmiri absorption, na thermal decomposition nke ihe dị na ọnọdụ na-ekpo ọkụ, karịsịa mgbe ọkụ mgbe mmiri absorption.Enwere ọdịiche dị na ọnọdụ dị iche iche dị ka mgbasawanye ọkụ, yana ngwaahịa Tg dị elu doro anya karịa ihe mkpụrụ PCB nkịtị.
N'ime afọ ndị na-adịbeghị anya, ọnụ ọgụgụ ndị ahịa na-achọ nnukwu akwụkwọ Tg e biri ebi abawanyela kwa afọ.
Ihe ọmụma na ụkpụrụ nke bọọdụ PCB (2007/05/06 17:15)
Ka ọ dị ugbu a, e nwere ụdị mbadamba ọla kọpa dị iche iche nke a na-ejikarị na mba m, a na-egosipụtakwa àgwà ha na tebụl dị n'okpuru: ụdị mbadamba ọla kọpa, ihe ọmụma nke mbadamba ọla kọpa.
E nwere ọtụtụ ụzọ nkewa nke ọla kọpa clad laminates.N'ozuzu, dị ka dị iche iche ume ihe nke osisi, ọ nwere ike kewara n'ime: akwụkwọ isi, ákwà isi nke iko eriri pcb osisi,
Composite base (CEM series), laminated multi-layer board base and special material base (seramiiki, metal core base, etc.) ise edemede.Ọ bụrụ na ejiri bọọdụ _)(^$RFSW#$%T
A na-ekewa nrapado resin dị iche iche, CCI na-emekarị akwụkwọ.Ee: resin phenolic (XPC, XxxPC, FR-1, FR
-2, wdg), epoxy resin (FE-3), polyester resin na ụdị ndị ọzọ.The nkịtị iko eriri ákwà isi CCL nwere epoxy resin (FR-4, FR-5), nke bụ ugbu a kasị n'ọtụtụ ebe nke iko eriri ákwà isi.Tụkwasị na nke ahụ, e nwere resins ndị ọzọ pụrụ iche (akwa akwa iko, eriri polyamide, ákwà na-adịghị akwa ákwà, wdg dị ka ihe ndị ọzọ): bismaleimide modified triazine resin (BT), polyimide resin (PI) , Diphenylene ether resin (PPO), nwoke. anhydride imine-styrene resin (MS), polycyanate resin, polyolefin resin, wdg Dị ka ọkụ retardant arụmọrụ nke CCL, ọ nwere ike kewaa abụọ ụdị mbadamba: ire ọkụ retardant (UL94-VO, UL94-V1) na ndị na-abụghị. ihe na-egbochi ire ọkụ (UL94-HB).N'ime otu afọ ma ọ bụ abụọ gara aga, na-ekwusi ike karị na nchebe gburugburu ebe obibi, ụdị CCL ọhụrụ nke na-enweghị bromine dị iche iche na CCL ọkụ na-ere ọkụ, nke a pụrụ ịkpọ "ọkụ na-acha akwụkwọ ndụ akwụkwọ ndụ CCL".Site na mmepe ngwa ngwa nke teknụzụ ngwaahịa eletrọnịkị, enwere oke arụmọrụ chọrọ maka cCL.Ya mere, site na nhazi ọkwa nke CCL, a na-ekewa ya na arụmọrụ CCL n'ozuzu, obere dielectric CCL na-adịgide adịgide, CCL dị elu na-eguzogide okpomọkụ (n'ozuzu L nke osisi dị n'elu 150 ° C), na CCL dị ala mgbasawanye ọkụ (nke a na-ejikarị eme ihe). nkwakọ ngwaahịa)) na ụdị ndị ọzọ.Site na mmepe na ọganihu na-aga n'ihu nke teknụzụ eletrọnịkị, a na-etinye ihe ọhụrụ chọrọ mgbe niile maka ihe eji ebi ebi ebi, si otú ahụ na-akwalite mmepe na-aga n'ihu nke ụkpụrụ laminate ọla kọpa.Ugbu a, ụkpụrụ bụ isi maka ihe ndị na-emepụta ihe bụ ndị a.
① National Standards Ka ọ dị ugbu a, ụkpụrụ mba nke mba m maka nhazi ọkwa nke mbadamba ihe pcb gụnyere GB/T4721-47221992 na GB4723-4725-1992.Ụkpụrụ maka ọla kọpa clad laminates na Taiwan, China bụ ọkọlọtọ CNS, nke dabere na ọkọlọtọ JI Japanese., ewepụtara na 1983. gfgfgfggdgeeeejhjj
② Ụkpụrụ bụ isi nke ụkpụrụ mba ndị ọzọ bụ: ọkọlọtọ JIS nke Japan, ASTM, NEMA, MIL, IPC, ANSI, UL ọkọlọtọ nke United States, Bs ọkọlọtọ nke United Kingdom, DIN na VDE ọkọlọtọ Germany, NFC na UTE ọkọlọtọ. nke France, CSA nke Canada Standards, Australia AS ọkọlọtọ, ọkọlọtọ FOCT nke mbụ Soviet Union, ọkọlọtọ IEC mba ụwa, wdg.
Onye ọ bụla na-eji ndị na-eweta ihe PCB mbụ eme ihe: ShengyiJiantaoInternational, wdg.
● Akwụkwọ anabatara: protel autocad powerpcb orcad gerber ma ọ bụ bọọdụ oyiri siri ike, wdg.
● Ụdị efere: CEM-1, CEM-3 FR4, ihe dị elu TG;
● Oke osisi kacha elu: 600mm * 700mm (24000mil * 27500mil)
● Ọkpụrụkpụ osisi: 0.4mm-4.0mm(15.75mil-157.5mil)
● Oke nhazi ọkwa: 16Layers
● ọkpụrụkpụ oyi akwa ọla kọpa: 0.5-4.0(oz)
● Nlegide ọkpụrụkpụ nke efere emechara: +/- 0.1mm(4mil)
● Nkwenye akụkụ ịkpụzi: Igwe ihe igwe kọmputa: 0.15mm (mil 6) Nkwụsị ọnwụ: 0.10mm (4mil)
● Obere ahịrị obosara / oghere kacha nta: 0.1mm (4mil) Ikike njikwa obosara ahịrị: ＜ + -20%
● Dayameta mkpọpu kacha nta nke ngwaahịa emechara: 0.25mm (mil 10)
Dayameta oghere ịkụ ọkpọ kacha emechachara: 0.9mm (mil 35)
Nkwenye oghere agwụla: PTH: +-0.075mm (3mil)
NPTH: +-0.05mm (2mil)
● Ọkpụkpụ ọla kọpa agwụla olulu: 18-25um (0.71-0.99mil)
● Opekempe SMT: 0.15mm (mil 6)
● Mkpuchi elu: ọla edo imi mmiri kemịkalụ, HASL, ọla edo nickel-plated dum (mmiri / ọla edo dị nro), gluu silk na-acha anụnụ anụnụ, wdg.
● ọkpụrụkpụ mkpuchi ihe na-ere ihe na bọọdụ: 10-30μm (0.4-1.2mil)
● Ike bee: 1.5N/mm (59N/mil)
● Ihe mkpuchi ihe siri ike: · 5H
● Ikike nkwụnye ihe na-ere ihe: 0.3-0.8mm (12mil-30mil)
● Dielectric mgbe niile: ε= 2.1-10.0
● Mkpuchi mkpuchi: 10KΩ-20MΩ
● Mmagide njirimara: 60 ohm± 10％
● Igwe ọkụ ọkụ: 288 ℃, 10 sk
● Akwụkwọ akụkọ nke bọọdụ emechara: <0.7%
● Ngwa ngwaahịa: ngwa nkwurịta okwu, ngwá electronic ụgbọala, ngwá ọrụ, usoro nhazi ụwa, kọmputa, MP4, ọkụ ọkụ, ngwa ụlọ, wdg.
Oge nzipu: Mar-30-2023