Entry board suitable for use during drilling of an integrated circuit board
AssigneeTe-Han Wang
InventorFuh-Shyong Chen
Life of this patent
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Abstract
An entry board suitable for use during drilling of an integrated circuit board includes a main laminated structure sequentially formed with a base layer made from wood fibers, a reinforcing layer of a thermosetting resin, and a hard layer of a UV-cured resin. The laminated structure further includes a coating layer interposed between the base layer and the reinforcing layer, or a paper layer interposed between the reinforcing layer and the hard layer. The coating layer or paper layer has a color different from that of the base layer.
Claims7
An entry board suitable for use during drilling of an integrated circuit board, said entry board comprising:
- a base layer made from wood fibers;
- a coating layer formed on said base layer and having a color different from that of said base layer;
- a reinforcing layer of a thermosetting resin formed on said coating layer;
- and
- a hard layer of a UV-cured resin formed on said reinforcing layer.
An entry board suitable for use during drilling of an integrated circuit board, said entry board comprising:
- a base layer made from wood fibers;
- a reinforcing layer of a thermosetting resin formed on said base layer;
- a paper layer bonded to said reinforcing layer and having a color different from that of said base layer;
- and
- a hard layer of a UV-cured resin layer formed on said paper layer.
Dependencies are inferred from the claim text.