Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yinfang Jin0
Lingwei Chen0
Litong Song0
Qing Zhao0
Date of Patent
June 1, 2021
0Patent Application Number
168643110
Date Filed
May 1, 2020
0Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present disclosure provides a TO-CAN cap. The TO-CAN cap includes a casing, the casing has a hollow cylindrical structure, and an inner wall of the casing has a protrusion portion at a first end portion in an axial direction of the casing; and an optical lens, the optical lens has an optical portion for refracting light and a rib portion at a periphery of the optical portion, a side surface of the rib portion having a concave portion complementary to the protrusion portion, where the casing and the optical lens are connected to each other through the protrusion portion and the concave portion.
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