The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 10, 2020
Filed:
Mar. 14, 2019
Takahiko Kuroda, Hyogo, JP;
Takahiko Kuroda, Hyogo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An actuator includes an actuator substrate and a diaphragm forming an inner wall defining a space in the actuator substrate. The diaphragm includes a first layer made of material that does not transmit light of a specific wavelength; a second layer made of material that transmits the light of a specific wavelength; an active region covering a central area of the diaphragm, the active region including the first layer and the second layer; and at least two transmissive regions formed at a circumference of the diaphragm, each of the at least two transmissive regions including the second layer without the first layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile