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:
Jun. 04, 2024
Filed:
Feb. 12, 2019
Tanaka Kikinzoku Kogyo K.k., Tokyo, JP;
Hiroyuki Kusamori, Hiratsuka, JP;
Tomohiro Shimada, Hiratsuka, JP;
Takeshi Iribe, Hiratsuka, JP;
Noriyuki Kudo, Tokyo, JP;
Katsunao Tanaka, Tokyo, JP;
TANAKA KIKINZOKU KOGYO K.K., Tokyo, JP;
Abstract
The present invention relates to a sealing lid for a package containing an optical element. For the sealing lid, a translucent material such as glass that can transmit light such as visible light is used. The present invention includes a lid main body made of the translucent material. The lid main body includes a joining region having a frame shape corresponding to an outer circumferential shape of the lid main body. A plurality of pieces of brazing material made of a eutectic alloy are fused on the joining region of the lid main body. An arrangement state of the brazing material includes aligning spherical pieces of brazing material continuously to form a frame shape along the joining region.