发明授权
US08810438B2 Membrane circuit board and keyboard having the same 有权
膜电路板和键盘具有相同的功能

Membrane circuit board and keyboard having the same
摘要:
A membrane circuit board and a keyboard device having the same are provided in the invention. The membrane circuit board is defined with a plurality of key regions. Each of the key regions is with a pressing region and at least one light-pervious region thereon. The membrane circuit board comprising at least two light-pervious membranes stacked with each other, and at least one light-pervious adhesive layer sandwiched between the two light-pervious membranes and at least fully filled in the light-pervious region.
公开/授权文献
信息查询
0/0