| US 7,467,898 B2 | ||
| Optical transceiver installing bi-directional optical sub-assembly | ||
| Atsushi Nakazawa, Kanagawa (Japan); and Yasuhiro Tanaka, Kanagawa (Japan) | ||
| Assigned to Sumitomo Electric Industries, Ltd., Osaka (Japan) | ||
| Filed on Mar. 28, 2007, as Appl. No. 11/727,904. | ||
| Claims priority of application No. 2006-091424 (JP), filed on Mar. 29, 2006; application No. 2006-111171 (JP), filed on Apr. 13, 2006; and application No. 2006-111249 (JP), filed on Apr. 13, 2006. | ||
| Prior Publication US 2007/0230878 A1, Oct. 04, 2007 | ||
| Int. Cl. G02B 6/36 (2006.01) | ||
| U.S. Cl. 385—92 [385/89] | 11 Claims |
| 1. An optical transceiver, comprising:
a circuit board that provides a ground pattern;
an optical subassembly with a disk-shaped stem that mounts a semiconductor optical device thereon, a plurality of lead pins
extruding from the stem;
a flexible printed circuit board that electrically connects the lead pins of the stem to the circuit board; and
a spacer put between the flexible printed circuit board and the stem of the optical subassembly;
wherein the spacer provides a ring portion including a plurality of first tabs that define a position of the stem with respect
to the spacer and a plurality of second tabs that define a position of the flexible printed circuit board with respect to
the spacer so as to form a gap between the stem and the flexible printed circuit board.
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