US 12,241,947 B2
Laser bonded glass-silicon vapor cell
Kenneth J. Hughes, Lafayette, CO (US); and Collin Coolidge, Erie, CO (US)
Assigned to FieldLine Inc., Boulder, CO (US)
Filed by FieldLine Inc., Boulder, CO (US)
Filed on Dec. 8, 2023, as Appl. No. 18/533,365.
Application 18/533,365 is a continuation of application No. 17/877,565, filed on Jul. 29, 2022, granted, now 11,867,776.
Claims priority of provisional application 63/227,742, filed on Jul. 30, 2021.
Prior Publication US 2024/0111000 A1, Apr. 4, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G01R 33/00 (2006.01); C03B 23/20 (2006.01); G01R 33/032 (2006.01)
CPC G01R 33/0052 (2013.01) [C03B 23/20 (2013.01); G01R 33/032 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A vapor cell, the vapor cell comprising:
a cell body comprising a through hole;
a first transparent piece attached to the cell body;
a second transparent piece laser bonded to the cell body; and
a filling material positioned in a cavity formed by the through hole, the first transparent piece, and the second transparent piece.