US 12,035,498 B2
Airtight terminal
Yusuke Maegawa, Koka (JP); Hiroki Honda, Koka (JP); Akira Fujioka, Koka (JP); Daisuke Fukushima, Koka (JP); and Hiroyuki Kojima, Koka (JP)
Assigned to SCHOTT AG, Mainz (DE)
Appl. No. 17/621,212
Filed by SCHOTT AG, Mainz (DE)
PCT Filed Oct. 6, 2020, PCT No. PCT/JP2020/037865
§ 371(c)(1), (2) Date Dec. 20, 2021,
PCT Pub. No. WO2021/070817, PCT Pub. Date Apr. 15, 2021.
Claims priority of application No. 2019-184885 (JP), filed on Oct. 8, 2019; and application No. 2020-166630 (JP), filed on Oct. 1, 2020.
Prior Publication US 2022/0354012 A1, Nov. 3, 2022
Int. Cl. H05K 5/06 (2006.01)
CPC H05K 5/069 (2013.01) 31 Claims
OG exemplary drawing
 
1. An airtight terminal comprising:
a metallic outer ring having at least one sealing hole, wherein the metallic outer ring has a flat surface;
a lead inserted through the sealing hole in the metallic outer ring; and
an insulating material configured to seal a gap between the metallic outer ring and the lead,
wherein the metallic outer ring includes a step having a cavity formed around the sealing hole, and
wherein the step and the cavil are formed so as to surround an outer periphery of the insulating material and further protrude beyond the flat surface of the metallic outer ring.