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US08130593B2 Pressure wave generator and temperature controlling method thereof 失效
压力波发生器及其温度控制方法

Pressure wave generator and temperature controlling method thereof
Abstract:
A pressure wave generator (1) includes a thermally conductive substrate (2), a heat insulating layer (3) formed on one main surface of the substrate (2), an insulator layer (5) formed on the heat insulating layer (3), and a heat generator (4) formed on the insulator layer (5) to generate heat when a current containing an alternating component is applied thereto. The heat insulating layer (3) is formed containing at least one of silicon nitride (Si3N4), silicon dioxide (SiO2), aluminum oxide (Al2O3), magnesium oxide (MgO), diamond crystalline carbon (C), aluminum nitride (AlN), and silicon carbide (SiC). The heat generator (4) is formed containing, for example, gold (Au) or tungsten (W).
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