Folasaga i le PCB substrate

Fa'avasegaina o substrate

E mafai ona vaevaeina meafaitino substrate laupapa lautele lolomi i ni vaega se lua: mea substrate malo ma mea substrate fetuutuunai.O se ituaiga taua o mea fa'apipi'i ma'a'a lautele o le laminate fa'aofuina 'apamemea.O loʻo faia i le Reinforeing Material, faʻapipiʻiina i le resin binder, faʻagogo, tipi ma faʻapipiʻi i le avanoa, ona ufiufi lea i le pepa apamemea, faʻaaogaina le uʻamea e pei o se limu, ma faʻapipiʻiina e le maualuga o le vevela ma le maualuga o le mamafa i totonu o se vevela vevela.General multilayer semi-cured laupepa, o lo'o fa'aofuina apamemea i le gaosiga o le gaosiga o oloa semi-ma'ea (tele ie tioata fa'asūsū i resini, e ala i le fa'agogo gaosi).

E i ai auala eseese fa'avasegaina mo laminate fa'aofuina 'apamemea.E masani lava, e tusa ai ma mea eseese faʻamalosia o le laupapa, e mafai ona vaevaeina i ni vaega se lima: faavae pepa, faavae ie alava tioata, faavae tuʻufaʻatasia (faasologa CEM), laminated multilayer faavae laupapa ma faavae mea faapitoa (ceramics, faavae autu uamea, ma isi).Afai o le laupapa e faʻaaogaina e faʻapipiʻi resin eseese mo le faʻavasegaina, o le pepa masani - faʻavae CCI.O loʻo i ai: phenolic resin (XPc, XxxPC, FR 1, FR 2, ma isi), epoxy resin (FE 3), polyester resin ma isi ituaiga.O le CCL masani o le epoxy resin (FR-4, FR-5), o le ituaiga sili ona faʻaaogaina o ie tioata tioata.E le gata i lea, o loʻo i ai isi resini faʻapitoa (ie tioata, fiber polyamide, ie e le o lalagaina, ma isi mea, e pei o mea faʻaopoopo): bismaleimide suia trizine resin (BT), polyimide resin (PI), diphenyl eter resin (PPO), maleic anhydride imide - styrene resin (MS), polycyanate ester resin, polyolefin resin, ma isi.

E tusa ai ma le faʻatinoga o le mumu o le CCL, e mafai ona vaevaeina i le afi mumu (UL94-VO, UL94-V1) ma le le afi mumu (Ul94-HB).I le 12 tausaga talu ai, ona o le tele o le gauai atu i le puipuiga o le siosiomaga, o se ituaiga fou o le afi mumu CCL e aunoa ma le bromine ua vavaeeseina, lea e mafai ona taʻua o le "CCL flame-retardant green".Faatasi ai ma le televave o le atinaʻeina o tekonolosi oloa faʻaeletoroni, cCL e maualuga atu manaʻoga faʻatinoga.O le mea lea, mai le fa'avasegaina o le fa'atinoga o le CCL, ma vaevaeina i le fa'atinoga lautele o le CCL, le CCL faifai pea dielectric, le maualuga o le vevela o le CCL (lautele lautele L i le 150 ℃ i luga), le fa'alauteleina o le vevela o le CCL (e masani ona fa'aaogaina i luga o le afifiina o mea'ai) ma isi ituaiga. .

 

Tulaga o le faʻatinoga o substrate

Faatasi ai ma le atinaʻeina ma le faʻaauau pea o le alualu i luma o tekinolosi faʻaeletoroni, o loʻo faʻaauau pea ona tuʻuina atu manaʻoga fou mo mea faʻapipiʻi laupapa lolomi, ina ia faʻaleleia le faʻaauauina o le atinaʻeina o tulaga faʻaofuofu apamemea.I le taimi nei, o tulaga autu mo mea faʻapipiʻi e faʻapea.
1) National Standards for Substrates I le taimi nei, O tulaga faʻale-atunuʻu mo substrates i Saina e aofia ai GB / T4721 - 4722 1992 ma GB 4723 - 4725 - 1992. O le faʻataʻitaʻiga mo laminates faʻapipiʻiina apamemea i Taiwan itulagi o Saina o le CNS standard, lea e faʻavae. i luga o le tulaga Iapani JI ma na tuʻuina atu i le 1983.

Faatasi ai ma le atinaʻeina ma le faʻaauau pea o le alualu i luma o tekinolosi faʻaeletoroni, o loʻo faʻaauau pea ona tuʻuina atu manaʻoga fou mo mea faʻapipiʻi laupapa lolomi, ina ia faʻaleleia le faʻaauauina o le atinaʻeina o tulaga faʻaofuofu apamemea.I le taimi nei, o tulaga autu mo mea faʻapipiʻi e faʻapea.
1) National Standards for Substrates I le taimi nei, o tulaga faʻale-malo a Saina mo substrates e aofia ai le GB / T4721 - 4722 1992 ma le GB 4723 - 4725 - 1992. O le faʻataʻitaʻiga mo laminates ofuina apamemea i Taiwan itulagi o Saina o le CNS standard, lea e faʻavae i luga o le Japanese JIs standard ma na tuʻuina atu i le 1983.
2) O isi tulaga faʻale-atunuu e aofia ai le Iapani JIS tulaga, Amerika ASTM, NEMA, MIL, IPc, ANSI ma UL tulaga, tulaga British Bs, Siamani DIN ma VDE tulaga, French NFC ma UTE tulaga, Canadian CSA tulaga, Ausetalia AS tulaga, tulaga FOCT o le Soviet Union muamua, ma tulaga faavaomalo IEC

O le fa'ata'otoga o igoa fa'ale-atunu'u o lo'o ta'ua o le matagaluega o le fa'atulagaina o igoa masani
JIS- Iapani Industrial Standard - Iapani Faʻamatalaga Faʻamatalaga
ASTM- American Society for Laboratory Materials Standards -American Society mo Su'ega ma Mea
NEMA- National Association of Electrical Manufactures Standard -Nafiomll Electrical Manufactures
MH- United States Military Standards -Department of Defense Military Specific Titions and Standards
IPC- American Circuit Interconnection and Packaging Association Standard -O le vaiaso moni mo Interoonnecting ma Packing EIectronics Circuits
ANSl- American National Standard Institute


Taimi meli: Tes-04-2020

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