| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pyroelectric infrared sensor with compact size, wide viewing angle, and high output. <P>SOLUTION: In at least part of an area where an infrared transmission filter 7 fitted to a shield case 8 and surface electrodes 2a and 2b face each other, at least one reflection coating 9 is provided for reflecting an infrared, and the infrared transmission filter 7 and the surface electrodes 2a and 2b are arranged extremely close to each other. <P>COPYRIGHT: (C)2012,JPO&INPIT |
