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Publikováno v:
2020 21st International Conference on Electronic Packaging Technology (ICEPT).
The new high-density non-core package substrate needs to carry out the ultra-deep etching and thinning process of more than 20 microns when drawing the conductive graphics circuit and requires the smooth and uniform surface of the substrate after thi
Publikováno v:
2020 21st International Conference on Electronic Packaging Technology (ICEPT).
As an important component of integrated circuit, package substrate is an essential intermediate product for electrical interconnection between chip and printed circuit board. The functions of package substrate are protect circuit board, dissipate hea