hole accumulation diode中文什么意思

有空穴储存层的光敏二极管

• hole:    n. 1.洞，穴，孔；(衣服等上的) ...
• accumulation:    n. 1.积累，堆积；累积物。 2. ...
• diode:    n. 【无线电】二极管。

百科释义

A Hole accumulation diode (HAD) is an electronic noise reduction device in a charge-coupled device (CCD) or CMOS imaging sensor. HAD devices function by reducing dark current that occur in the absence of light falling on the imager for noise reduction and enhanced image quality.