| 摘要 |
An illumination type key top having a button, a key seat, ? key switch including a contact portion, and a light source. When the button is pressed, it presses the contact portion of the key switch via the key seat to cause the light source to emit light. The button and key seat are affixed to each other by adhesive and each is made of a light transmitting material. A character or similar information is printed on the rear surface of the button such that the light is transmitted only through the character.
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