PRINTED CIRCUIT BOARD AND SEMICONDUCTOR PACKAGE INCLUDING THE SAME
First Claim
Patent Images
1. A printed circuit board (PCB) comprising:
- a substrate base;
a plurality of pads on upper and lower surfaces of the substrate base; and
a solder resist layer covering at least a portion of the upper and lower surfaces of the substrate base,wherein at least some of the plurality of pads are groove pads comprising at least one annular groove in a side opposite to the substrate base.
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Abstract
A printed circuit board (PCB) having a reliable electrical connection with connection terminals and a semiconductor package including the PCB, the printed circuit board including: a substrate base; a plurality of pads disposed on upper and lower surfaces of the substrate base; and a solder resist layer configured to cover at least a portion of the upper and lower surfaces of the substrate base, wherein at least some of the plurality of pads are groove pads comprising at least one annular groove in a side opposite to the substrate base.
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Citations
20 Claims
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1. A printed circuit board (PCB) comprising:
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a substrate base; a plurality of pads on upper and lower surfaces of the substrate base; and a solder resist layer covering at least a portion of the upper and lower surfaces of the substrate base, wherein at least some of the plurality of pads are groove pads comprising at least one annular groove in a side opposite to the substrate base. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A semiconductor package comprising:
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a printed circuit board (PCB) comprising a substrate base, a plurality of pads on upper and lower surfaces of the substrate base, and a solder resist layer covering at least a portion of the lower surface of the substrate base; a semiconductor chip electrically connected to the plurality of pads on the upper surface of the substrate base; and a plurality of connection terminals attached to the plurality of pads on the lower surface of the substrate base, wherein at least some of the plurality of pads are groove pads comprising at least one annular groove in a side opposite to the substrate base. - View Dependent Claims (12, 13, 14, 15)
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16. A device comprising:
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a substrate base; a plurality of pads on upper and lower surfaces of the substrate base; and a solder resist layer covering a portion of the upper and lower surfaces of the substrate base, wherein each pad comprises a first side and a second side, wherein the first side is arranged adjacent to the substrate base and wherein the second side is arranged opposite to the first side, wherein at least some of the plurality of pads are groove pads comprising at least one groove formed in the second side of the groove pads; wherein the solder resist layer defines a connection terminal contact region in the groove pads, and wherein the at least one groove substantially surrounds the connection terminal contact region. - View Dependent Claims (17, 18, 19, 20)
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Specification