JP2002174755A - Optical connector module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accurately and easily align an optical transmitting/receiving wafer 100 with an optical waveguide wafer without positional shifting. SOLUTION: The optical transmitting/receiving wafer 100 is formed with V-grooves 120 having a V-shape in cross section for guide pins, at a set position relative to the optical transmitting/receiving end of an optical transmitter/ receiver 110. The optical waveguide wafer 210 of a connector 200 on the optical waveguide side is formed with guide pin V-grooves 212 correspondingly to the guide pin V-grooves 120 of the optical transmitting/receiving wafer 100. Between these guide pin V-grooves 120, 212, guide pins 300 for inter-wafer positioning are inserted. Then, the optical transmitting/receiving wafer 100 and the optical waveguide wafer 210 are brought close to and coupled with each other so as to be held between these guide pin V-grooves 120, 212.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical connector module, and more particularly to an optical connector module for connecting between a transmission / reception source circuit and an optical fiber.

[0002]

2. Description of the Related Art When transmitting a signal through an optical fiber, an optical connector module having an optical waveguide interposed between a signal transmission / reception source circuit and the optical fiber is often used.
FIG. 5 shows a conventional example of such an optical connector module. This optical connector module is provided with an optical transceiver wafer 1
00x, an optical waveguide side connector 200x, an optical fiber side connector 400, and a member for coupling and fixing between the optical transmission / reception wafer 100x and the optical waveguide side connector 200x, and the details thereof are as follows.

First, a light transmitting / receiving wafer 100x includes a light emitting diode (LED) serving as a light transmitting end and a semiconductor radar (L).
D) and a light receiving element 112 such as a photodiode (PD) serving as an optical receiving end are arranged and formed at predetermined sites, and are connected to a transmitting / receiving source circuit (not shown). 110 and light emitting element 111
And a marker 140 provided in front of the light transmitting / receiving end of the light receiving element 112.

Next, the optical waveguide side connector 200x has an optical transmission / reception end face with the optical transmission / reception unit 110 of the optical transmission / reception wafer 100x arranged on one end face, and an optical connection end face with the optical fiber 500 arranged on the other end face. Optical waveguide 211 formed on the optical waveguide 211, and a V-shaped groove 212 for a guide pin formed in a V-shaped cross section near the other end face on both sides of the optical waveguide 211.
x, and an optical waveguide wafer 210x formed with a marker 214 provided at a position corresponding to the marker 140 of the optical transceiver wafer 100x on both sides of the optical waveguide 211 and near one end face, and this optical waveguide wafer 210
The connector guide pin 220 is disposed and held in the guide pin V-groove 212x so as to protrude from the other end surface of the x by a preset length, and the connector guide pin 220 is inserted into the guide pin V-groove 212x. A pin fixing member 230 that is fixed to the optical waveguide wafer 210x while being arranged and held.

[0005] The optical fiber connector 400 arranges and holds the optical fiber 500 such that the optical connection end face of the optical fiber 500 is arranged on the connection end face (broken line in the figure) with the optical waveguide side connector 200x. Guide pin insertion hole fixed in the connection end face (broken line in the figure)
The optical fiber 500 is connected to the optical waveguide 211 when the protruding portion of the connector / guide pin 220 is inserted into the optical waveguide connector 200x.

Further, the optical waveguide side connector 200x and the optical transmission / reception wafer 100x are aligned with the marker 214 on the lower surface side of the optical waveguide wafer 210x and the marker 140 on the upper surface side of the optical transmission / reception wafer 100x by flip chip bonding. Joined and joined together. At this time, the positions of the light transmitting / receiving surfaces of the light emitting element 111 and the light receiving element 112 of the light transmitting / receiving unit 110 and the light transmitting / receiving end face of the optical waveguide 211 are also aligned.

[0007]

The above-described conventional optical connector module includes a marker 140 formed on the upper surface of the optical transceiver wafer 100x and an optical waveguide wafer 210x.
The marker 214 formed on the lower surface of the optical transceiver 211 is aligned and bonded by flip chip bonding, so that the light transmitting and receiving surfaces of the light emitting element 111 and the light receiving element 112 of the optical transmitting and receiving unit 110 and the light transmitting and receiving of the optical waveguide 211 are formed. Since it has a configuration and structure to position between the end face,
In addition to the difficulty in positioning the markers 140 and 214,
There is a problem that there is a risk of displacement during joining.

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, it is an object of the present invention to facilitate alignment between an optical transmitting / receiving wafer and an optical waveguide wafer. An object of the present invention is to provide an optical connector module which does not have a risk of displacement of a wave path from an optical transmitting / receiving surface.

[0009]

An optical connector module according to the present invention is an optical connector module for connecting between a transmission / reception source circuit and an optical fiber, and has the following components. (A) an optical transmitting and receiving unit, wherein an optical transmitting and receiving end is arranged and formed at a predetermined site, and connected to the transmitting and receiving source circuit;
An optical transmission / reception wafer comprising a V-groove having a V-shaped cross section at a position set for the optical transmission / reception end of the optical transmission / reception unit. On the end face, arranged corresponding to the optical transmitting and receiving end of the optical transmitting and receiving unit,
And an optical waveguide formed such that an optical connection end face with the optical fiber is disposed on the other end face and connects the other end face, and a portion corresponding to the V-groove of the optical transmission / reception wafer has a cross section of V
An optical waveguide wafer comprising a V-shaped groove formed in a V-shape;
An optical waveguide side connector comprising: a connector guide pin held and fixed to the optical waveguide wafer so as to protrude by a predetermined length from the other end surface of the optical waveguide wafer. Is inserted between the V-groove of the optical waveguide wafer and the V-groove of the optical waveguide wafer, and when the optical transceiver wafer and the optical waveguide wafer are coupled so as to approach each other,
An inter-wafer positioning guide pin for positioning and fixing the wafers by being sandwiched between the V-grooves of the wafers and aligning the light transmitting and receiving ends of the light transmitting and receiving portions of the wafers with the light transmitting and receiving end surfaces of the optical waveguides; A member for wafer-to-wafer coupling and fixing for coupling and holding the optical transmitting and receiving wafer and the optical waveguide wafer. (E) The optical fiber is held and fixed so that its optical connection end face is disposed on one end face, and A guide pin hole is formed in a portion corresponding to the connector / guide pin of the waveguide connector, and the connector / guide pin is inserted into the guide pin hole and coupled with the optical waveguide connector, thereby forming the optical fiber. Optical fiber side connector for connecting an optical connection end face to an optical connection end face of the optical waveguide

In the optical waveguide side connector, a V groove for a connector guide pin is formed in the optical waveguide wafer, and the connector guide pin is arranged, held and fixed in the V groove. On the extension of the V-groove for the guide pin, the V-groove for the inter-wafer positioning guide pin is formed integrally with the V-groove for the connector / guide pin.

In the optical waveguide side connector and the wafer positioning guide pin, a V groove for a connector guide pin is formed in an optical waveguide wafer of the optical waveguide side connector, and a V groove for the connector / guide pin is formed. The V-groove for the inter-wafer positioning guide pin is formed integrally with the V-groove for the connector / guide pin on an extension of the groove, and the connector / guide pin of the optical waveguide side connector and the inter-wafer positioning guide pin are formed integrally. The optical waveguide wafer is arranged, held and fixed in a V-groove formed integrally with the optical waveguide wafer.

In the optical waveguide side connector, a V-groove for a connector / guide pin is formed in the optical waveguide wafer, and the connector / guide pin is arranged, held and fixed in the V-groove. The V-groove for positioning between wafers is formed integrally with the V-groove for connector / guide pin on an extension of the V-groove for guide pins, It is a structure in which orthogonal V-grooves for positioning are formed. Also in the optical transmission / reception wafer, orthogonal V-grooves are formed in portions corresponding to the orthogonal V-grooves of the optical waveguide wafer.
V-groove for inter-wafer positioning and orthogonal V
A groove and a V for positioning the light transmitting and receiving wafer between wafers.
And a structure in which an inter-wafer positioning guide pin is sandwiched between the groove and the orthogonal V-groove. Further, the connector / guide pin and the optical waveguide wafer are extended and integrally formed with the V-groove. Are arranged integrally with the inter-wafer positioning guide pins.

The diameter of the extended and integrally formed V-groove of the optical waveguide wafer, the diameter of the inter-wafer positioning guide pin sandwiched between the V-grooves of the optical transceiver wafer, the orthogonal V-groove of the optical waveguide wafer, and The diameter of the inter-wafer positioning guide pin sandwiched between the orthogonal V-grooves of the light transmitting and receiving wafer has different dimensions, and the V-groove and the orthogonal V-groove have different dimensions according to the diameter of these inter-wafer positioning guide pins. It has a configuration.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is for connecting between a transmission / reception source circuit and an optical fiber, and includes an optical transmission / reception wafer, an optical waveguide side connector, and an inter-wafer positioning guide. A pin, a member for bonding and fixing between wafers,
And an optical fiber side connector, the details of which are as follows.

The optical transmission / reception wafer is formed with an optical transmission / reception end arranged at a predetermined site, and an optical transmission / reception unit connected to the transmission / reception source circuit, and a site set for the optical transmission / reception end of the optical transmission / reception unit. And a V-shaped groove having a V-shaped cross section.

In the optical waveguide side connector, an optical transmission / reception end face with the optical transmission / reception section is disposed on one end face in correspondence with an optical transmission / reception end of the optical transmission / reception section, and an optical connection end face with the optical fiber is on the other side. An optical waveguide disposed on an end face of the optical transmission and reception part, and an optical waveguide wafer comprising a V-shaped groove having a V-shaped cross section at a portion corresponding to the V-shaped groove of the optical transmission and reception wafer; A connector guide pin held and fixed to the optical waveguide wafer so as to protrude from the other end face of the optical waveguide wafer by a predetermined length.

An inter-wafer positioning guide pin is inserted between the V-groove of the optical transmission / reception wafer and the V-groove of the optical waveguide wafer, and the optical transmission / reception wafer and the optical waveguide wafer are coupled so as to approach each other. Sometimes, these wafers are sandwiched between the V-grooves of these wafers to position and fix these wafers.
The light transmitting / receiving end of the light transmitting / receiving unit and the light transmitting / receiving end face of the optical waveguide of these wafers are aligned.

The inter-wafer coupling and fixing member couples and holds and holds the optical transmission / reception wafer and the optical waveguide wafer. The optical fiber side connector holds and fixes the optical fiber so that its optical connection end face is disposed on one end face, and a guide pin hole is formed in a portion corresponding to the connector guide pin of the optical waveguide side connector. The connector / guide pin is inserted into the guide pin hole and coupled to the optical waveguide side connector, and the optical connection end face of the optical fiber is connected to the optical connection end face of the optical waveguide.

With such a configuration and structure,
Inserting the inter-wafer positioning guide pins between the V-grooves of both wafers, connecting and holding these wafers close to each other, and holding and fixing them, it is a simple and easy operation. It is possible to accurately align the position with the optical transmitting / receiving end, and to eliminate a positional deviation at the time of bonding between wafers.

[0020]

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an exploded perspective view showing a first embodiment of the present invention. In the first embodiment, the optical transmission / reception wafer 10
0, an optical waveguide side connector 200, an inter-wafer positioning guide pin 300, and four parts of an optical fiber side connector 400, and a not-shown inter-wafer coupling / fixing member. It is as follows.

First, a light transmitting / receiving wafer 100 is provided with a light emitting diode (LED), a semiconductor radar (L)
D) and a light receiving element 112 such as a photodiode (PD), which is a light receiving end, is arranged and formed at a predetermined site, and is connected to a transmission / reception source circuit (not shown). A portion 110 and two V-shaped guide pin V-grooves 120 each having a V-shaped cross section are provided on both front sides of the light transmitting / receiving end of the light transmitting / receiving section 112 of the light transmitting / receiving section 110. .

Next, the optical waveguide side connector 200 has an optical transmission / reception end face with the optical transmission / reception section 110 of the optical transmission / reception wafer 100 disposed on one end face corresponding to the optical transmission / reception end of the optical transmission / reception section 110, and An optical waveguide 211 formed so that an optical connection end face with the optical waveguide 500 is disposed on the other end face and connects the other end face, and along both sides of the optical waveguide 211,
An optical waveguide wafer 210 including a portion corresponding to the guide pin V-groove 120 of the optical transceiver wafer 100 and a guide pin V-groove 212 formed in a V-shaped cross section on an extension of these portions; A connector guide pin 220 accommodated in the guide pin V-groove 212 near the other end face so as to protrude from the other end face of the waveguide wafer 210 by a predetermined length, and
A pin fixing member 230 for holding and fixing the guide pin 220 to the optical waveguide wafer 210 in a state of being accommodated in the guide pin V-groove 212.

Next, guide pins 300 for positioning between wafers
Are the V-grooves 120 for guide pins of the optical transceiver wafer 100.
And the optical transmission / reception wafer 100 and the optical waveguide wafer 210 are inserted between a portion corresponding to the guide pin V groove 120 of the guide pin V groove 212 of the optical waveguide wafer.
When the wafers are brought close to each other, the wafers (100, 210) are sandwiched between the guide pin V-grooves 120, 212 to position and fix the wafers (100, 210). The end and the optical transmission / reception end face of the optical waveguide 211 are aligned.

The optical fiber side connector 400 has the same structure as the optical fiber side connector 400 of the prior art described above, and the optical waveguide side connector 2 is inserted into its guide pin hole.
The projecting portion of the connector / guide pin 220 is inserted and coupled to the optical waveguide side connector 200, and the optical connection end face of the optical fiber 500 is connected to the optical connection end face of the optical waveguide 211.

The members for coupling and fixing between the wafers, not shown, are the optical transmission / reception wafer 100 and the optical waveguide wafer 21.
0 and are fixed so as to be close to each other.

In the first embodiment, the diameter of the inter-wafer positioning guide pin 300 is
When the optical waveguide wafer 210 and the optical waveguide wafer 210 are brought close to each other and joined together, the optical transmission / reception wafer 100 and the optical waveguide wafer 210 are brought close to each other because the dimensions are such that they are sandwiched between the guide pin V-grooves 120 and 212. When these wafers (100, 210) are bonded together and sandwiched by these V-grooves (120, 212), the relative positions of these wafers (100, 210) are
It is uniquely determined in the direction orthogonal to the central axis of the inter-wafer positioning guide pin 300.

Accordingly, the positions and dimensions of the guide pin V-grooves 120 and 212 and the positioning between wafers are set so that the light transmitting / receiving end face of the light transmitting / receiving section 110 and the light transmitting / receiving end face of the optical waveguide 211 are opposed to each other. If the dimensions and the like of the guide pins 300 are determined geometrically, the light transmitting / receiving wafer 100
By simply bringing the optical waveguide wafer 210 and the optical waveguide wafer 210 close to each other, the position between the wafers is uniquely determined, and the optical transmission / reception end of the optical transmission / reception unit 110 and the optical transmission / reception end face of the optical waveguide 211 are accurately aligned. be able to.

That is, in the first embodiment,
The inter-wafer positioning guide pins 300 are inserted between the guide pin V-grooves 120 of the optical transmission / reception wafer 100 and the guide pin V-grooves 212 of the optical waveguide wafer 210 so that the wafers (100, 210) approach each other. The extremely simple and easy work of coupling and holding and fixing can accurately align the optical transmitting and receiving end of the optical transmitting and receiving unit 110 with the optical transmitting and receiving end face of the optical waveguide 211. The displacement does not occur.

FIG. 2 is an exploded perspective view showing a second embodiment of the present invention. The second embodiment differs from the first embodiment in that the connector guide pins 220 of the optical waveguide side connector 200 and the inter-wafer positioning guide pins 300 in the first embodiment are integrated. The guide pin 240 is inserted into the guide pin V-groove 212 of the optical waveguide wafer 210, the connector / guide pin portion is held and fixed by the pin fixing member 230, and the optical waveguide side connector 200a It is in the point.

In the second embodiment, since the connector guide pin and the inter-wafer positioning guide pin are integrated and housed in the optical waveguide side connector 200a, the inter-wafer positioning guide is provided as in the first embodiment. There is no need to handle pins alone, and the optical transmission / reception wafer 1
There is an advantage that the coupling operation between the optical waveguide wafer 210 and the optical waveguide wafer 210 is further simplified and facilitated. Other functions and effects are the same as those of the first embodiment.

FIG. 3 is an exploded perspective view showing a third embodiment of the present invention. In the above-described second embodiment, the guide pins 24
0, and guide pin V-grooves 120 and 212 for sandwiching the guide pin 240 are arranged along both sides of the optical waveguide 211, but in the third embodiment, along the both sides of the optical waveguide 211. Arranged guide pins 240a,
In addition to the guide pin V-grooves 120a and 212a which sandwich the guide pin 240a, the guide pin V-groove 1 orthogonal to the guide pin V-grooves 120a and 212a.
The optical transmission / reception wafer 100a and the optical waveguide wafer 210a are formed by forming the V-grooves 30 and 213.
An inter-wafer positioning guide pin 350 to be sandwiched between 30, 30 and 213 is newly provided.

With such a configuration and structure,
It is possible to uniquely control not only the position with respect to the optical axis between the optical transmitting / receiving end of the optical transmitting / receiving unit 110 and the optical transmitting / receiving end face of the optical waveguide 211, but also the spacing and contact state between the end faces, There is an effect that the coupling state can be controlled. The other operation and effect are the same as those of the second embodiment.

FIG. 4 is an exploded perspective view showing a fourth embodiment of the present invention. In the fourth embodiment, the integrated guide pins 240a in the third embodiment are divided into the connector guide pins 220 and the inter-wafer positioning guide pins 300a as in the first embodiment. With such a configuration and structure, the inter-wafer positioning guide pins 300a having a diameter different from the diameter of the connector / guide pins 220 can be used. There is an advantage that accuracy and the like can be controlled.

Further, guide pins 300 for positioning between wafers are provided.
Similarly, the positioning accuracy, the inter-wafer coupling accuracy, and the like of the inter-wafer positioning guide pins 350 that are orthogonal to a can be controlled by their diameters. Other functions and effects are the same as those of the third embodiment.

[0035]

As described above, according to the present invention, a V-groove having a V-shaped cross section is formed on a portion of a light transmitting / receiving wafer set to a light transmitting / receiving end of a light transmitting / receiving portion. A V-groove having a V-shaped cross section is formed in the waveguide wafer corresponding to the V-groove of the optical transceiver wafer, and inter-wafer positioning guide pins are inserted between the V-groove of the optical transceiver wafer and the V-groove of the optical waveguide wafer. Then, the optical transmission / reception wafer and the optical waveguide wafer are approached and coupled so that they are sandwiched between the V-grooves of both wafers, whereby the inter-wafer positioning guide pins are inserted between the V-grooves of both wafers. In this simple and easy operation of bringing these two wafers closer to each other and bonding them together, the light transmitting / receiving end of the light transmitting / receiving unit and the light transmitting / receiving end face of the optical waveguide can be accurately aligned, and the wafer-to-wafer bonding To, no danger of its positional deviation occurs, it aligned, there is an effect that.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a second embodiment of the present invention.

FIG. 3 is an exploded perspective view showing a third embodiment of the present invention.

FIG. 4 is an exploded perspective view showing a fourth embodiment of the present invention.

FIG. 5 is an exploded perspective view showing an example of a conventional optical connector module.

[Explanation of symbols]

100, 100a, 100x Optical transmission / reception wafer 110 Optical transmission / reception unit 111 Light emitting element 112 Light receiving element 120, 120a, 130 V groove for guide pin 140 Marker 200, 200a to 200c, 200x Optical waveguide side connector 210, 210a, 210x Optical waveguide wafer 211 Optical waveguide 212, 212a, 212x, 213 V for guide pin
Groove 214 Marker 220 Connector / guide pin 230 Pin fixing member 240, 240a Guide pin 300, 300a, 350 Positioning guide pin between wafers 400 Optical fiber side connector 500 Optical fiber

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification FI FI Theme Court ゛ (Reference) H01S 5/022 H01L 31/02 C5F089 (72) Inventor Ryoji Kaku 1-21 Dogenzaka, Shibuya-ku, Tokyo 2 Japan Aviation Electronics Industry Co., Ltd. (72) Takao Mase, Inventor 1-21-2 Dogenzaka, Shibuya-ku, Tokyo Japan Japan Aviation Electronics Industry Co., Ltd. (72) Takuya Miyashita 1-21, Dogenzaka, Shibuya-ku, Tokyo No. 2 Japan Aviation Electronics Industry Co., Ltd. F term (reference) 2H036 QA03 QA49 QA56 2H037 AA01 BA02 BA11 BA24 5F041 AA39 DA19 DA35 EE03 FF14 5F073 BA01 EA15 FA02 FA07 FA11 FA23 5F088 AA01 BA16 BB01 EA09 AC14 AC20 CA03

Claims (6)

[Claims] 1. An optical connector module for connecting between a transmission / reception source circuit and an optical fiber, the optical connector module having the following configurations. (A) an optical transmitting and receiving unit, wherein an optical transmitting and receiving end is arranged and formed at a predetermined site, and connected to the transmitting and receiving source circuit;
An optical transmission / reception wafer comprising a V-groove having a V-shaped cross section at a position set for the optical transmission / reception end of the optical transmission / reception unit. On the end face, arranged corresponding to the optical transmitting and receiving end of the optical transmitting and receiving unit,
And an optical waveguide formed such that an optical connection end face with the optical fiber is disposed on the other end face and connects the other end face, and a portion corresponding to the V-groove of the optical transmission / reception wafer has a cross section of V
An optical waveguide wafer comprising a V-shaped groove formed in a V-shape;
An optical waveguide side connector comprising: a connector guide pin held and fixed to the optical waveguide wafer so as to protrude by a predetermined length from the other end surface of the optical waveguide wafer. Is inserted between the V-groove of the optical waveguide wafer and the V-groove of the optical waveguide wafer, when the optical transceiver wafer and the optical waveguide wafer are coupled so as to approach each other,
An inter-wafer positioning guide pin for positioning and fixing the wafers by being sandwiched between the V-grooves of the wafers and aligning the light transmitting and receiving ends of the light transmitting and receiving portions of the wafers with the light transmitting and receiving end surfaces of the optical waveguides; A member for wafer-to-wafer coupling and fixing for coupling and holding the optical transmitting and receiving wafer and the optical waveguide wafer. (E) The optical fiber is held and fixed so that its optical connection end face is disposed on one end face, and A guide pin hole is formed in a portion corresponding to the connector / guide pin of the waveguide connector, and the connector / guide pin is inserted into the guide pin hole and coupled with the optical waveguide connector, thereby forming the optical fiber. Optical fiber side connector for connecting an optical connection end face to the optical connection end face of the optical waveguide 2. The optical waveguide-side connector according to claim 1, wherein a V-groove for a connector guide pin is formed in the optical waveguide wafer, and the connector guide pin is arranged, held and fixed in the V-groove. 2. The optical connector module according to claim 1, wherein the V-groove for the inter-wafer positioning guide pin is formed integrally with the V-groove for the connector / guide pin on an extension of the V-groove for the guide pin. 3. The V-groove for a connector guide pin is formed on the optical waveguide wafer of the optical waveguide side connector, and the V guide groove is formed on the optical waveguide wafer of the optical waveguide side connector. The V-groove for the inter-wafer positioning guide pin is formed integrally with the V-groove for the connector / guide pin on an extension of the groove, and the connector / guide pin of the optical waveguide side connector and the inter-wafer positioning guide pin are formed integrally. The optical connector module according to claim 1, wherein the optical connector module is configured to be disposed and held and fixed in a V-groove formed integrally with the optical waveguide wafer. 4. The optical waveguide-side connector, wherein a V-groove for a connector guide pin is formed in the optical waveguide wafer, and the connector guide pin is arranged, held and fixed in the V-groove. The V-groove for positioning between wafers is formed integrally with the V-groove for connector / guide pin on an extension of the V-groove for guide pins, It is a structure in which orthogonal V-grooves for positioning are formed. Also in the optical transmission / reception wafer, orthogonal V-grooves are formed in portions corresponding to the orthogonal V-grooves of the optical waveguide wafer. An integrated V-groove for inter-wafer positioning, and an orthogonal V-groove; a V-groove for inter-wafer positioning of the optical transceiver wafer;
2. The optical connector module according to claim 1, wherein the inter-wafer positioning guide pins are sandwiched between the V-groove and the orthogonal V-groove. 5. The light according to claim 4, wherein said connector / guide pin and said inter-wafer positioning guide pin arranged in an extended / integrated V-groove of said optical waveguide wafer are integrally formed. Connector module. 6. The V-groove of the optical waveguide wafer, the diameter of the extended and integrally formed V-groove, the diameter of the inter-wafer positioning guide pin sandwiched between the V-grooves of the optical transceiver wafer, the orthogonal V-groove of the optical waveguide wafer, The orthogonal V of the light transmitting and receiving wafer
5. The optical connector according to claim 4, wherein the diameter of the inter-wafer positioning guide pin sandwiched between the grooves is different, and the V-groove and the orthogonal V-groove are different in size according to the diameter of the inter-wafer positioning guide pin. module.