Single panel historical development

The history of the single panel:Single sided printed circuit board is in the early 1950 s with the emergence of transistors, developed products, centered in the United States was the main method for copper foil etching method directly for the mainstream. For the first time in 1953 ~ 1955, the Japanese use imported copper foil made paper phenolic copper foil substrates...

Double panel meaning

Double panel is printed circuit boards, printed circuit board, circuit board kunshan, build and circuit board, special circuit board, special circuit boards, circuit board factory, circuit board factory, flexible circuit board, soft board, flexible plate, flexible circuit boards, flexible circuit board, aluminum circuit boards, PCB board, circuit boards, circuit board...

FR4 no halogen yellow material is what

FR - 4 is fiber glass epoxy resin copper clad code of fire resistant material grade, represented by the mean resin material after combustion state must be able to put out a material specification, it is not a material name, but a material level. One of the PCB (printed circuit board).

FR4 copper clad classification

FR4 copper clad is short of glass fiber epoxy resin copper clad laminates. FR4 sheet is divided into the following:The first: FR - 4 A1 copper cladThis grade is mainly used military-industrial complex, communications, computers, digital circuit, industrial instrumentation, automotive circuits and other electronic products. The quality of this series of products comple...

PP sheet application

Classes are: 1) stationery PP folder, PP envelope, PP card box, PP briefcase, PP box,PP brush pot, PP material, PP paging card, PP plates, PP notebook cover,Book of PP, PP board, PP calendar, PP desk calendar, PP advertising umbrella, PP mouse pad, PP stationery stationery products such as hand DiHe.2) gifts series: PP gift boxes, cosmetics boxes, PP PP gift bag, PP b...