Patent ID: 11953722
Assignee: LUMINAR TECHNOLOGIES, INC.
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G

Claim 26:
27. An optical receiver comprising:
an application-specific integrated circuit (ASIC);
a light detector element with a top surface oriented toward incident light, the top surface including a portion configured to receive the incident light and via which the incident light reaches an active area of the light detector element, the light detector element disposed on the ASIC; and
a protective mask placed over the ASIC so as to (i) cover, from the incident light, at least a portion of the ASIC, and (ii) provide an aperture that defines an optical path for the incident light through the protective mask to the portion of the top surface of the light detector element, wherein the protective mask has a laser-induced damage threshold above 10 joules per square centimeter.