Membrane circuit board of keyboard and keyboard structure
AssigneeLite-On Technology Corporation
InventorKuo-Hui HSU
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a membrane circuit board of keyboard and a keyboard structure. The membrane circuit board of keyboard includes a first film, a first air channel, a second film, a second air channel, and a third film. The first film includes a first circuit pattern. The first air channel is disposed on the first film. The second film is disposed on the first air channel, and the second film includes an air hole. The second air channel is disposed on the second film, and the second air channel is in fluid communication with the air hole and the first air channel. The third film is disposed on the second air channel, and the third film includes a second circuit pattern.
Claims11
A membrane circuit board of keyboard, comprising:
- a first film comprising a first circuit pattern;
- a first air channel disposed on the first film;
- a second film disposed on the first air channel, wherein the second film comprises an air hole;
- a second air channel disposed on the second film, wherein the second air channel is in fluid communication with the air hole and the first air channel;
- and
- a third film disposed on the second air channel, wherein the third film comprises a second circuit pattern.
A membrane circuit board of keyboard, comprising:
- a first film comprising a first circuit pattern and a first air hole;
- a first air channel disposed on the first film, wherein the first air channel is in fluid communication with the first air hole;
- a second film disposed on the first air channel;
- a second air channel disposed on the second film, wherein the second film comprises a second air hole, and the second air hole is in fluid communication with the first air channel and the second channel;
- and
- a third film disposed on the second air channel, wherein the third film comprises a second circuit pattern.
Dependencies are inferred from the claim text.