Method of manufacturing annular oblique light illumination apparatus and flexible wiring substrate
a technology of light illumination apparatus and flexible wiring substrate, which is applied in the direction of waveguides, coupling device connections, instruments, etc., can solve the problems of soldering failure, complicated shape of jigs, and troublesome operation of all the jigs to be exchanged, so as to reduce the manufacturing cost of jigs
Inactive Publication Date: 2005-12-08
MORITEX CORP
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Benefits of technology
This method simplifies the soldering process, reduces the risk of soldering failures, and enhances production efficiency by allowing a single type of jig to be used across various substrate shapes, ensuring consistent support and reducing the likelihood of product deficiencies.
Problems solved by technology
Further, in a case where operation of conducting soldering for a wiring substrate 41 of a certain shape has been completed and then soldering for another wiring substrate 41 of a different shape is started, it needs troublesome operation that all the jigs have to be exchanged.
Further, since the shape of the wiring substrate 41 is not symmetrical, the shape of the jig is also complicated.
When the wiring substrate 41 is supported on a square frame it is slackened or distorted at not retained end edges by the weight of the LED 9,9 - - - , to result in a problem of soldering failure.
Method used
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[0029] The present invention is to be described by way of the preferred embodiments referring to the accompanying drawings.
[0030] A flexible wiring substrate 1 shown in FIG. 1 is used for forming an LED array (light emitting device array) 4 attached to a light emitting device arranging surface 3 having a frustconical inner circumferential surface formed inside an annular frame F of an annular oblique light illumination apparatus 2 (refer to FIG. 2).
[0031] In the flexible wiring substrate 1, a plurality of arcuate zonal wiring patterns 6, 6, - - - for mounting light emitting devices each in the form of a developed frustconical shape when cut along the pattern are serpiginously formed continuously by way of connecting wiring patterns 7 to / on a base film 5 of a determined shape. Such serpiginous patterns 8 are formed in a plurality of rows.
[0032] The base film 5 used has normalized shape and size such that it can be attached, for example, to a carrier (jig) C of a flow soldering app...
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A flexible wiring substrate forms a light emitting device array attached to a frustoconical inner circumferential surface that serves as a light emitting device arranging surface of an annual oblique light illumination apparatus. A plurality of arcuate zonal wiring patterns for mounting light emitting devices are provided. Each wiring pattern is in the form of a developed frustoconical shape. The wiring patterns are serpiginously provided continuously directly or by way of connecting wiring patterns to a base film of a predetermined shape.
Description
[0001] This application is a divisional of pending U.S. patent application Ser. No. 10 / 806,284, filed on Mar. 23, 2004, entitled “Method of Annular Oblique Light Illumination Apparatus and Flexible Wiring Substrate” in the names of Makoto Toyota et al., the disclosure of which is expressly incorporated by reference herein in its entirety.BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The present invention concerns a method of manufacturing an annular oblique light illumination apparatus having a frustconical inner circumferential surface as a light emitting device arranging surface, and a flexible wiring substrate used therefor. [0004] 2. Statement of Related Art [0005] LED annular oblique light illumination apparatus are used, for example, in product inspection. In an existent LED annular oblique light illumination apparatus, as shown in FIG. 2, a light emitting device arranging surface 3 having a frustconical surface is formed inside an annular frame F, and a ...
Claims
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IPC IPC(8): F21S2/00G03B15/02F21S8/04F21Y101/02H01L33/00H05K1/02H05K1/18H05K3/34
CPCH05K1/189H05K3/3447H05K2201/09018H05K2201/09263H05K2201/10106Y10S385/901G01N2201/062F21K9/00G01N21/8806F21Y2107/10H04B1/04H04B1/0346
InventorTOYOTA, MAKOTOTOYODA, SHINYOSHIDA, HITOSHI
OwnerMORITEX CORP