US Patent Issued to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT on Oct. 14 for "Laser processing head and laser processing device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,920, issued on Oct. 14, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Laser processing head and laser processing device" was invented by Keiji Narumi (Saitama, Japan) and Mitsuoki Hishida (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Collimator lens (21) and focusing lens (22) are provided with AR coating (23). AR coating (23) has a first reflectance for reflecting a first laser light higher than a second reflectance for reflecting a second laser light. Detector (25) detects diffusion light (DL) diffused by collimator lens (21) and focusing lens (22). Detector (25) has a first light receiving sen...