JPH0615010U - Circuit board for optical electronics - Google Patents

Abstract

(57) [Summary] [Object] The present invention provides a circuit board for optoelectronics suitable for easily forming an optical circuit. A circuit board for optical electronics having a cross-shaped optical waveguide in the main surface direction, wherein the optical waveguides 2 and 3 are provided.
At the intersections of the main surfaces 1a and 1b of the circuit board 1, respectively.
A hole 4 is formed in a direction at right angles to the control member 7
Is inserted to branch, refract, stop, etc. the light passing through the optical waveguide to form an optical circuit.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an optoelectronic circuit board, and more particularly to an optoelectronic circuit board suitable for easily forming an optical circuit.

[0002]

[Prior art]

 In the field of electronics using electric signals, many circuit elements mounted on a printed circuit board are put into practical use. On the other hand, optical devices have been widely used, and optical communication in which optical devices are operated by optical signals has been demanded in recent years.

[0003]

[Problems to be solved by the device]

 However, an optical circuit that uses an optical signal, operates the optical device by the optical signal, and converts it into an electrical signal is integrated on the circuit board in the same manner as the above-mentioned electronic circuit board, and the optical device is mounted on the circuit board. Substrates for optoelectronics have not been put to practical use.

[0004]

[Means for Solving the Problems]

 The present invention relates to an optoelectronic circuit board having a checkerboard-like optical waveguide in the main surface direction, wherein holes are formed at intersections of the optical waveguides in a direction perpendicular to the main surface of the circuit board, respectively. The optical circuit is formed by inserting a control member into the hole and branching, refracting, and stopping the light passing through the optical waveguide.

[0005]

[Action]

 This circuit board for optoelectronics forms an optical circuit in which light passing through an optical waveguide is easily branched, refracted, stopped, and the like.

[0006]

EXAMPLES Next, examples of the circuit board for optoelectronics according to the present invention will be described with reference to FIGS.

In FIG. 1, 1 is a substrate, 2 (2a, 2b, 2c), 3 (3a, 3b, 3c) are formed in a grid pattern by holes existing in the main surface 1a, 1b direction of the substrate 1, respectively. The formed waveguides 4, 5 and 6 are formed at right angles to the main surface of the substrate 1 at the intersections of the waveguides 2a and 3c, the waveguides 2b and 3c, and the waveguides 2c and 3c, respectively. It is a hole that is made. Here, although printed wiring is mounted on the upper surface 1a of the substrate 1 and circuit elements and optical devices are mounted at appropriate places on the printed wiring, illustration is omitted.

In FIG. 1, reference numeral 7 is a control member that is inserted into a hole 4 formed in the substrate 1, has a control portion 7a in the shape of a triangular prism, and has side surfaces that are mirror-finished. A state in which the control member 7 is inserted into the hole 4 is shown in FIG. In FIG. 2, the optical signal A input from the waveguide 2a is branched by the control unit 7a of the control unit 7 in the directions of arrows B and C of the waveguide 3c as shown in the figure, and the dotted line of the waveguide 2a is shown. It is controlled so that the movement in the direction of arrow D indicated by is blocked.

FIG. 3 is a view showing the control member 8. The control member 8 has a mirror-finished control portion 8a. FIG. 4 shows how the control member 8 is inserted into the hole 4 of the substrate 1 instead of the control member 7 described above.

In FIG. 4, the optical signal E input from the waveguide 2 a is refracted and travels in the direction of the upper surface of the substrate 1 (direction of arrow F) by the control unit 8 a of the control member 8 as shown in the figure, Although not shown, the optical device mounted on the upper surface of the substrate 1 is operated.

FIGS. 5, 6 and 7 are views showing the control members 9, 10, 11 respectively, and the control members 9, 10, 11 are respectively formed by mirror-finished control members 9a, 10a, 11a. Has been done. FIG. 8 shows a state in which the control section 11 is inserted into the hole 4 of the substrate 1 instead of the control member 8 described above.

In FIG. 8, the optical signal G input from the waveguide 2a is stopped by the control unit 11a of the control member 11 at the control unit 11a as shown in the figure, and the arrows H and I shown by the dotted line of the waveguide 3c are shown. And in the direction of arrow J shown by the dotted line of the waveguide 2a is blocked. The control members 9, 10 also play a similar role.

FIG. 9 is a view showing the control member 12. The control member 12 has a mirror-finished control portion 12a. FIG. 10 shows a state in which the control member 12 is inserted into the hole 4 of the substrate 1 instead of the control member 11 described above.

In FIG. 10, the optical signal K input from the waveguide 2 a is refracted by the controller 12 a of the control member 12 in the direction of the arrow M of the waveguide 3 c as shown in the figure, and travels to the waveguide 3 c. The movement of the waveguide 2a in the arrow 3c direction and the waveguide 2a in the arrow N direction is blocked.

In the above description, each control member was inserted only in the hole 4 of the substrate 1, but the holes 5, 6 or the reference numerals were not attached, but at right angles to the main surfaces (1a, 1b) of the other substrates 1. An optical circuit is formed by appropriately inserting the light into the formed hole to control an optical signal.

[0016]

[Effect of device]

 As described above, the circuit board for optoelectronics according to the present invention is a circuit board for optoelectronics which has optical waveguides in a grid pattern in the main surface direction. A hole is formed in the right angle direction, and a control member is inserted into the hole to branch, refract, stop, etc. the light passing through the optical waveguide to form an optical circuit. Since the optical signal can be controlled only by inserting the member, there is an advantage that an optical circuit can be easily formed.

[Brief description of drawings]

FIG. 1 is a diagram showing a circuit board for optoelectronics.

FIG. 2 is a diagram showing a state in which a control member is inserted in a circuit board for optoelectronics.

FIG. 3 is a view showing a control member.

FIG. 4 is a diagram showing a state in which the control member of FIG. 3 is inserted into a circuit board for optoelectronics.

FIG. 5 is a view showing a control member.

FIG. 6 is a view showing a control member.

FIG. 7 is a diagram showing a control member.

FIG. 8 is a diagram showing a state in which the control member of FIG. 7 is inserted into a circuit board for optoelectronics.

FIG. 9 is a diagram showing a control member.

FIG. 10 is a diagram showing a state in which the control member of FIG. 9 is inserted into a circuit board for optoelectronics.

[Explanation of symbols]

1 substrate 2,2a, 2b, 2c, 3,3a, 3b, 3c optical waveguide 4,5,6 hole 7,8,9,10,11,12 control member 7a, 8a, 9a, 10a, 11a, 12a control Department

Claims (1)

[Scope of utility model registration request] 1. A circuit board for optoelectronics having a cross-shaped optical waveguide in the main surface direction, wherein holes are formed at intersections of the optical waveguides in a direction perpendicular to the main surface of the circuit board, respectively. A circuit board for optoelectronics, comprising a control member inserted into a hole to branch, refract, stop, etc. light passing through the optical waveguide to form an optical circuit.