公开(公告)号：US11864354B2

公开(公告)日：2024-01-02

申请号：US17481492

申请日：2021-09-22

Applicant: FUJITSU OPTICAL COMPONENTS LIMITED

Inventor： Kazuya Sasaki ,  Takatoshi Yagisawa ,  Tsutomu Ohtsu ,  Masami Kamioka

IPC: H05K7/14 ,  H05K7/20 ,  H04B10/40

CPC classification number: H05K7/2039 ,  H05K7/1427 ,  H04B10/40

Abstract: An optical communication module includes: a circuit board; optical communication devices that are provided on an upper surface side of the circuit board; a case that accommodates the circuit board and the optical communication devices; and a heatsink that is attached to the case. The optical communication devices include a first device and a second device. The first device is located closer to an inlet opening for cooling air for cooling the heatsink than the second device is. A height from the circuit board to a top of the first device is greater than a height from the circuit board to a top of the second device. The heatsink is not equipped with a cooling fin in a first region where the first device is provided, and the heatsink is equipped with a cooling fin in a second region where the second device is provided.

公开(公告)号：US08678674B2

公开(公告)日：2014-03-25

申请号：US13674471

申请日：2012-11-12

Applicant: Fujitsu Optical Components Limited

Inventor： Masaki Kunii ,  Tsutomu Ohtsu ,  Masami Kamioka ,  Masanari Yamakita

IPC: G02B6/42

CPC classification number: H04B10/40 ,  H05K1/0215 ,  H05K1/0218 ,  H05K1/147 ,  H05K1/189 ,  H05K3/02 ,  H05K3/30 ,  H05K2201/10121 ,  Y10T29/4913

Abstract: An optical transceiver includes a single-fiber bidirectional optical transmission/reception device, a circuit board, a transmission-side FPC, a reception-side FPC and a separation wall. The optical transceiver includes a single-fiber bidirectional optical transmission/reception device includes an LD stem that converts an electric signal into an optical signal and transmits it, and a PD stem that receives the optical signal and converts it into an electric signal. The transmission-side FPC electrically connects the LD stem and the circuit board. The reception-side FPC electrically connects the PD stem and the circuit board. The separation wall is formed between the transmission-side FPC and the reception-side FPC, and grounded to the chassis of the optical transceiver. The reception-side FPC is folded and set between the chassis and the separation wall such that the board front surface is an inner side, where the micro-strip line is formed on the above board front surface.

Abstract translation: 光收发器包括单纤双向光发送/接收装置，电路板，发送侧FPC，接收侧FPC和分隔壁。 光收发器包括单纤双向光传输/接收设备，其包括将电信号转换为光信号并将其发送的LD干线，以及接收光信号并将其转换成电信号的PD干线。 传输侧FPC电连接LD杆和电路板。 接收侧FPC电连接PD杆和电路板。 隔离壁形成在发送侧FPC和接收侧FPC之间，并且接地到光收发器的机箱。 接收侧FPC被折叠并设置在底座和分隔壁之间，使得板前表面是内侧，其中微带线形成在上述板前表面上。

公开(公告)号：US20130156441A1

公开(公告)日：2013-06-20

申请号：US13674471

申请日：2012-11-12

Applicant: Fujitsu Optical Components Limited

Inventor： Masaki KUNII ,  Tsutomu Ohtsu ,  Masami Kamioka ,  Masanari Yamakita

IPC: H04B10/40 ,  H05K3/02 ,  H05K3/30

CPC classification number: H04B10/40 ,  H05K1/0215 ,  H05K1/0218 ,  H05K1/147 ,  H05K1/189 ,  H05K3/02 ,  H05K3/30 ,  H05K2201/10121 ,  Y10T29/4913

Abstract: An optical transceiver includes a single-fiber bidirectional optical transmission/reception device, a circuit board, a transmission-side FPC, a reception-side FPC and a separation wall. The optical transceiver includes a single-fiber bidirectional optical transmission/reception device includes an LD stem that converts an electric signal into an optical signal and transmits it, and a PD stem that receives the optical signal and converts it into an electric signal. The transmission-side FPC electrically connects the LD stem and the circuit board. The reception-side FPC electrically connects the PD stem and the circuit board. The separation wall is formed between the transmission-side FPC and the reception-side FPC, and grounded to the chassis of the optical transceiver. The reception-side FPC is folded and set between the chassis and the separation wall such that the board front surface is an inner side, where the micro-strip line is formed on the above board front surface.

Abstract translation: 光收发器包括单纤双向光发送/接收装置，电路板，发送侧FPC，接收侧FPC和分隔壁。 光收发器包括单纤双向光传输/接收设备，其包括将电信号转换为光信号并将其发送的LD干线，以及接收光信号并将其转换成电信号的PD干线。 传输侧FPC电连接LD杆和电路板。 接收侧FPC电连接PD杆和电路板。 隔离壁形成在发送侧FPC和接收侧FPC之间，并且接地到光收发器的机箱。 接收侧FPC被折叠并设置在底座和分隔壁之间，使得板前表面是内侧，其中微带线形成在上述板前表面上。