KOIKE CO., LTD.
|KOIKE CO., LTD. Patent applications|
|Patent application number||Title||Published|
|20100301700||ACOUSTIC WAVE DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided are an acoustic wave device and a method for manufacturing the same, the acoustic wave device being effectively prevented from expanding and contracting due to temperature change and having a small frequency shift. The acoustic wave device of the present invention has a piezoelectric substrate (||12-02-2010|