US 11,789,223 B2
Optical transceiver module for optical transceiver and optical transceiver
Yasutaka Mizuno, Osaka (JP)
Assigned to SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Filed by SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Filed on Jan. 24, 2022, as Appl. No. 17/582,294.
Claims priority of application No. 2021-010955 (JP), filed on Jan. 27, 2021.
Prior Publication US 2022/0236506 A1, Jul. 28, 2022
Int. Cl. H04B 10/07 (2013.01); H04B 17/00 (2015.01); G02B 6/42 (2006.01); H04B 10/40 (2013.01)
CPC G02B 6/4281 (2013.01) [G02B 6/4246 (2013.01); H04B 10/40 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An optical transceiver module comprising:
a package having a first surface and a second surface and containing a light receiving element, a light emitting element, and an optical modulator configured to modulate light that is output from the light emitting element, the first surface including a lid, the package being hermetically sealed by the lid;
a rigid circuit board having a first surface and a second surface and including a control circuit provided on the rigid circuit board, the control circuit being configured to control at least one of the light receiving element, the light emitting element, or the optical modulator; and
a flexible circuit board separated from the rigid circuit board, the flexible circuit board being provided between the rigid circuit board and the package, the flexible circuit board including a plurality of signal wires,
wherein the rigid circuit board is connected to the package via the flexible circuit board, with the first surface of the rigid circuit board facing the first surface of the package, and
the at least one of the light receiving element, the light emitting element, or the optical modulator is electrically connected to the control circuit via the plurality of signal wires.