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:
Jul. 08, 2025
Filed:
Mar. 01, 2023
Nhk Spring Co., Ltd., Yokohama, JP;
Hibiki Yokoyama, Yokohama, JP;
Naoya Kida, Yokohama, JP;
Jun Futakuchiya, Yokohama, JP;
Noriyoshi Kaneda, Yokohama, JP;
Michiyoshi Sone, Yokohama, JP;
NHK SPRING CO., LTD., Yokohama, JP;
Abstract
A stage includes a base material including a step portion and an insulating film. The step portion includes a first surface recessed from a top surface of the base material and a second surface recessed from a side surface of the base material. The insulating film includes a plurality of first layers on the first surface and a plurality of second layers on the second surface. In the step portion, each first end portion of the plurality of first layers and each second end portion of the plurality of second layers are alternately stacked. The first surface and the second surface are connected via a corner, and each first end portion and each second end portion are alternately stacked at the corner.