12 Layer ENIG PCB
Ihe onwunwe HDI PCB
Ihe HDI PCB bụ RCC, LDPE, FR4
RCC:Ọla kọpa resin dị mkpụmkpụ maka foil ọla kọpa ejiri resin kpuchie ya.RCC mejupụtara foil ọla kọpa na resin na elu siri ike, nguzogide okpomọkụ na ọgwụgwọ oxidation (eji ya mgbe ọkpụrụkpụ karịrị 4mil) .The resin oyi akwa nke RCC nwere otu processability dị ka FR4 adhesive mpempe akwụkwọ (prepreg).Na mgbakwunye, ọ kwesịkwara izute mkpa arụmọrụ dị mkpa nke laminate, dị ka:
(1) Elu mkpuchi mkpuchi na micro site na ntụkwasị obi;
(2) Igwe ọkụ mgbanwe dị elu (TG);
(3) Ala dielectric na-adịgide adịgide na ntinye mmiri;
(4) Ọ nwere nnukwu adhesion na ike na foil ọla kọpa;
(5) Mgbe ọgwụgwọ gasịrị, ọkpụrụkpụ nke mkpuchi mkpuchi bụ otu
N'otu oge ahụ, n'ihi na RCC bụ ụdị ngwaahịa ọhụrụ na-enweghị eriri iko, ọ na-enye aka na ọgwụgwọ laser na plasma etching, ma na-eme ka efere multi-layer dị arọ ma dị mkpa.Na mgbakwunye, foil ọla kọpa resin mkpuchi nwere 12pm, 18pm dị mkpa ọla kọpa, dị mfe nhazi.