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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.:

US 12554066 B1

PDFFull Text
Date of Patent:
Feb. 17, 2026

Filed:

Dec. 10, 2021

Wafer with buried v-groove cavity for fiber coupling

Applicant:

Rockley Photonics Limited, Altrincham, GB;

Inventors:

Janne Ikonen, Espoo, FI;

John Paul Drake, St. Ives, GB;

Henri Nykänen, Helsinki, FI;

Damiana Lerose, Pasadena, CA (US);

Assignee:

Rockley Photonics Limited, Altrincham, GB;

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Michelle R Connelly

Int. Cl.
CPC ...
G02B 6/136 (2006.01); G02B 6/12 (2006.01); G02B 6/30 (2006.01); G02B 6/36 (2006.01); G02B 6/42 (2006.01);
U.S. Cl.
CPC ...
G02B 6/136 (2013.01); G02B 6/30 (2013.01); G02B 6/42 (2013.01); G02B 6/423 (2013.01); G02B 6/4239 (2013.01); G02B 6/4243 (2013.01); G02B 2006/12061 (2013.01); G02B 6/3636 (2013.01);
Abstract

A wafer with a buried V-groove cavity, and a method for fabricating V-grooves. In some embodiments, the method includes bonding a first layer, to a top surface of a substrate, to form a composite wafer, the first layer being composed of a first semiconductor material, the substrate being composed of a second semiconductor material, the top surface of the substrate having a cavity, the cavity including a V-groove.

Find Patent Forward Citations

Ikonen, Janne. (2026). Wafer with buried v-groove cavity for fiber coupling (U.S. Patent No. 12554066). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12554066

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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