JP3100046U - Optical transceiver module - Google Patents

Abstract

An object of the present invention is to improve the precision of an optical transmission / reception module and increase the efficiency of optical transmission coupling.
[Solution]
In the optical transmission / reception module, a receptacle 1 having a flange 11 is provided, a mounting portion 12 and a holder portion 13 penetrating each other are formed on both end surfaces of the flange, and high hardness and abrasion resistance formed by electrolytic casting in the mounting portion. The metal sleeve 2 is mounted, and the light emitting / receiving unit 32 is provided in the holder portion, and the light receiving / emitting device of the light emitting / receiving unit and the sleeve are positioned on the same axis. Since the sleeve is formed by electrolytic casting on the electrode corresponding to the outer diameter of the optical fiber, both the inner diameter and the outer diameter can be formed with high precision.

Description

The present invention relates to an optical transceiver module that improves the precision of an optical transceiver module and thus improves the efficiency of optical transmission coupling.

As shown in FIGS. 1 and 2, a known optical transmitting and receiving module includes a hollow body 4, a base 5 at one end of the hollow body 4, a light receiving and emitting device 6 stored in the base 5, and a dedicated jig. After the adjustment, the light receiving and emitting unit 6 and the sleeve 41 are located on the same axis.

In the above-mentioned optical transceiver module, the sleeve and the mounting portion can be tightly coupled. However, the conventional sleeve is made of ceramic, and when the sleeve is made of ceramic, ceramic powder is injected. After molding to form a sleeve molded body, the ceramic powder of the sleeve molded body is mutually bonded by sintering at a high temperature. Injection molding sleeves made of ceramic powder have large errors, so the accuracy of the sleeve is corrected by several polishing operations, which wastes production time and trouble. Furthermore, ceramics have high hardness and are polished using diamond as a tool, which increases the production cost. As described above, the known optical transceiver module does not meet the needs for popularization.

SUMMARY OF THE INVENTION It is an object of the present invention to improve the precision of an optical transceiver module, reduce the defective rate and cost, and enable the sleeve to be accurately fixed in the receptacle.

The present invention provides a structural improvement of the optical transceiver module.
The optical transceiver module of the present invention
A receptacle is provided, and a mounting part and a holder part are respectively extended from both end faces of the flange with a flange on the receptacle,
Providing a sleeve, disposing the sleeve in the mounting portion, and manufacturing the sleeve by a method of electrolytic casting;
A light receiving / emitting unit is provided. The light receiving / emitting unit comprises a base and a light receiving / emitting device provided at the center of the base. The light receiving / emitting unit is joined to one end of the holder, and an optical transmission signal generated by the light receiving / emitting device is optically planarized. To achieve the purpose of optical signal transmission.

構造 The above structure improves the precision of the optical transceiver module, and thus the optical transmission coupling efficiency.

As shown in the cross-sectional view of the first embodiment of the present invention in FIG. 3, in the structural improvement of the optical transceiver module of the present invention, the receptacle 1 provided with the mounting portion 12 and the holder portion 13 extending from both end faces of the flange 11 respectively. , The sleeve 2 and the light emitting / receiving unit 3, whereby the precision of the optical transceiver module can be improved, the defective rate can be reduced, and the sleeve 2 can be fixed at an accurate position of the receptacle 1.

A flange 11 is provided on the receptacle 1, a mounting portion 12 and a holder portion 13 are provided extending from both end surfaces of the flange 11, and the mounting portion 12 and the holder portion 13 are in a penetrating state.
The sleeve 2 is disposed in the mounting portion 12, and the mounting portion 12 and the sleeve 2 can be fixedly joined with an adhesive. The sleeve is made of a highly rigid, wear-resistant metal material by electrolytic casting. In the electrolytic casting, a metal raw material of the sleeve 2 is cast in an electrolytic tank containing an electroforming solution by using a metal material whose outer diameter is precisely processed as an electrode. The raw material is a high-rigidity wear-resistant metal material. During the electroforming, the electrode is energized to attach atoms of the metal material to the electrode. The current, time and temperature of the electroforming depend on the required thickness of the sleeve 2. Can be adjusted. In this way, the sleeve 2 can be manufactured by electrolytic casting, and since the outer diameter of the electrode is processed according to the required inner diameter of the sleeve 2, the atoms of the raw material are directly attached to the electrode, and the outer dimensions of the product are required. If it is removed after the thickness, the error between the inner diameter of the sleeve 2 and the electrode is extremely small due to electrolytic adhesion, the precision of the optical transceiver module is increased, and the optical transmission coupling efficiency is improved.

The light emitting / receiving unit 3 includes a base 31 and a light emitting / receiving device 32 provided at the center of the base 31. The light emitting / receiving unit 3 is joined to one end of the holder unit 13, and the light receiving / emitting device 32 and the sleeve 2 are coaxially arranged. Position. The light receiving / light emitting device 32 uses the sleeve 2 in the mounting portion 12 as a passage and uses it as a light receiving and light emitting element. The above structure constitutes a new optical transceiver module structural improvement

In the sectional view of the second embodiment of the present invention shown in FIG. 4, the mounting portion 12 of the receptacle 1 and the sleeve 2 can be in the form of the first embodiment described above. 2 and the mounting portion 12 of the receptacle 1 can be one. The sleeve 2 of the first embodiment is directly contained in the mounting portion 12a at one end of the receptacle 1a, and the receptacle 1a is manufactured by an electrolytic casting method. The effect of reduction can be increased.

In the sectional view of the third embodiment of the present invention shown in FIG. 5, the receptacle 1b can be formed as shown in the drawing. The receptacle 1b has a flange 11b, is provided with a mounting portion 12b extending from one end of the flange 11b and capable of mounting the sleeve 2, a fixing portion 121 is provided at another end of the flange 11b, and a holder portion 13b is provided on the fixing portion 121. I do. The holder portion 13b is engaged with and fixed to the fixing portion 121 at another end of the flange 11b by an engaging portion 131 at one end thereof, and the receptacle 1b is made of three components (the mounting portion 12b, the holder portion 13b, and the sleeve 2). By joining the light emitting / receiving unit 3 in the holder 13b as a device having such a configuration, the precision of the optical transceiver module can be similarly improved, and the optical transmission coupling efficiency can be improved.

In the sectional view of the fourth embodiment of the present invention shown in FIG. 6, the mounting portion 12 and the sleeve of the receptacle 1 can be formed in the above-described first, second, and third embodiments, and electrolytically cast in the third embodiment. In some cases, the original sleeve 2 and the mounting portion 12 of the receptacle 1 can be integrated into one piece. The sleeve 2 in the third embodiment is directly contained in the mounting portion 12c at one end of the receptacle 1c, and the receptacle 1c is manufactured by an electrolytic casting method. Similarly, the precision of the optical transceiver module is improved, and the defect rate and cost are reduced. The effect of reduction can be increased.

It is a well-known three-dimensional external view. It is a well-known sectional view. FIG. 2 is a sectional view of the first embodiment of the present invention. FIG. 4 is a sectional view of a second embodiment of the present invention. FIG. 4 is a sectional view of a third embodiment of the present invention. FIG. 4 is a sectional view of a fourth embodiment of the present invention.

Explanation of reference numerals

1, 1a, 1b, 1c Receptacle 11, 11b Flange 12, 12a, 12b, 12c Mounting part 121 Fixed part 13, 13b Holder part 131 Engaging part 2 Sleeve 3 Light emitting / receiving unit 32 Light receiving / light emitting device 4 Hollow body 5 Base 6 Light emitting / receiving device 41 Sleeve

Claims (3)

A receptacle is provided, and the receptacle is provided with a flange, and is extended from both end faces of the flange to form a mounting portion and a holder portion, respectively.
A sleeve, wherein the sleeve is disposed in the mounting portion, and the sleeve is formed by electrolytic casting;
A light-receiving / light-emitting unit, the light-receiving / light-emitting unit includes a base and a light-receiving / light-emitting device provided at the center of the base, the light-receiving / light-emitting unit is joined to one end of the holder, and the light-receiving / light-emitting device and the sleeve are located on the same axis,
An optical transmission / reception module characterized by the above-mentioned. 2. The optical transceiver module according to claim 1, wherein the mounting portion and the sleeve are integrally formed by electrolytic casting. 2. The optical transceiver module according to claim 1, wherein the sleeve is made of a high-hardness abrasion metal material.

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