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06-13
2022
views：23
Pcb plate commonly used raw materials are mainly: substrate, copper foil, PP, photosensitive material, anti-welding paint and substrate, etc.
2022-06-13 23views
06-13
2022
views：20
1、FR-4 A flame resistant material grade code, represents the resin material must be able to burn a material specification, it is not a material name
2022-06-13 20views
06-13
2022
views：12
The requirement of upper pad for PCB drilling is: certain surface hardness to prevent the surface burr of drilling. But it can't be too hard and wear off the bit.
2022-06-13 12views
06-13
2022
views：7
One, what is coated aluminum plate coated aluminum plate is on the surface of the aluminum plate covered with a layer of PVC, PET film, usually there are two kinds of single coated plate.
2022-06-13 7views
06-13
2022
views：7
PCB entry/backup boards were born almost at the same time as PCB in the 1940s and 1950s.At the beginning, the phenolic resin cover plate was used
2022-06-13 7views
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Name: Yiyang Jindong Technology Co., Ltd
Email: jdkjsales@163.com
Address: the intersection of hejiaqiao North Road and Qinglong Road, Ziyang District, Yiyang City, Hunan Province
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