US PATENT SUBCLASS 427 / 97
.~.~ Coating hole walls

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

58  DF  ELECTRICAL PRODUCT PRODUCED {21}
96  DF  .~ Integrated circuit, printed circuit, or circuit board {3}
97.~.~ Coating hole walls

DEFINITION

Classification: 427/97

(under subclass 96) Processes wherein a coating is applied to the sides of a hole in a circuit board.

(1) Note. Such coatings are generally for the purpose or providing a conductive path from one side of a circuit board to the other.