| 摘要 |
PURPOSE: A housing of an optical track pad is provided to irradiate a light of an LED in an optical track pad structure and to emit a light in an optical track pad housing part. CONSTITUTION: A base layer(30) is formed on the top of a housing(1). A deposition surface(17) is formed in the top of the base layer. The center of the base layer consists of a removal surface(19). An edge of the base layer is formed in the deposition surface. A primary primer layer(50) is formed in the top of the deposition surface.
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