JPH01312475A - Testing apparatus for close-contact image sensor - Google Patents

Abstract

PURPOSE:To improve reliability in testing by moving a chart table to which a chart is stuck under the state wherein a close-contact image sensor is originally positioned and fixed from a close-contact image-sensor mounting stage, and performing the test. CONSTITUTION:A close-contact image sensor 1 is positioned, mounted and fixed on a close-contact image-sensor mounting stage 10. A chart table 13 is moved back and forth with a linear motor 14 so that a test chart 4a matches the sensor 1. Thereafter, the sensor mounting stage is lowered along a guide rod 12 with an air cylinder 11. The sensor 1 and the test chart 4a are brought into close contact, and the specified test is conducted. After the test, the sensor mounting stage 10 is lifted with the air cylinder 11. Then, the chart table 13 is moved to a specified position so that a next test chart 4b matches the sensor 1 with the linear motor 14. Then, the test is repeated again.

Description

[Detailed description of the invention] [Industrial application field]

The present invention relates to a contact image sensor testing device for testing a contact image sensor.

[Conventional technology]

FIG. 3 is a perspective view showing a conventional contact image sensor testing device. In the figure, 1 is a contact image sensor, 2 is a contact image sensor mounting table on which a contact image sensor l is placed, and 3a, 3b, and 3c are contact image sensor mounting tables. Image sensor mounting table 2
The positioning pin of the contact image sensor l protruding from the top,
4a, 4b. 4C is a test chart pasted on the contact image sensor mounting base 2, which is used to test the contact image sensor l mechanically,
Test electrically. Next, the operation will be explained. The contact image sensor 1 is placed on the test chart 4a using the positioning pin 3a provided on the contact image sensor mounting base 2.
The contact image sensor 1 is set in the test position above the test chart 4a, and the contact image sensor 1 is brought into close contact with the test chart 4a by a pressing mechanism (not shown). Then, in this state, a predetermined test is performed on the contact image sensor 1, and after the test is completed, the contact state of the contact image sensor l, which was in close contact with the contact image sensor i31 mounting base 2, is removed by the pressing mechanism, and the next test chart 4b is performed. The contact image sensor 1 is moved to the "C" positioning pin 3b to set it in the test position and the same test is performed. In this way, the contact image sensor 1 is repeatedly attached to and removed from the contact image sensor mounting base 2 and the test is performed. conduct.

[Problem to be solved by the invention]

Since the conventional contact image sensor testing device is configured as described above, different test charts 4a, 4b, 4
c, the contact image sensor 1 must be moved every time the contact image sensor 1 is tested, and the contact image sensor 1 may slide into contact with the test charts 4a, 4b, 4c, or the contact image sensor 1 may slide against the positioning bins 3a, 3b. ,
3c, the contact image sensor 1 may be scratched, and the test charts 4a, 4b, and 4c may be dusted or scratched, which may impair the credibility of the next test of the contact image sensor 1. There was a problem with this. The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a contact image sensor testing device that does not damage the contact image sensor or the test chart.

[Means to solve the problem]

The contact image sensor testing device according to the present invention is provided with a first moving mechanism that linearly moves a contact image sensor mounting table on which a contact image sensor is positioned and placed; A second moving mechanism is provided for moving the chart stand on which a plurality of test charts are attached so that the test charts are positioned substantially perpendicular to the chart.

[Effect]

The contact image sensor testing device of the present invention positions and places the contact image sensor on the contact image sensor mounting base, and places the contact image sensor mounting base on the test chart with the test chart corresponding to the contact image sensor. Since the image sensor and the test chart are placed in close contact with each other, there is no sliding contact between the image sensor and the test chart before and after the test.
No more scratches or dirt adhering to it.

[Embodiments of the invention]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of the present invention. In FIG. 1, the same or equivalent components as in FIG. In Figure 1,
10 is a contact image sensor mounting table for positioning and placing the contact image sensor 1; 11 is an air cylinder as a first moving mechanism for vertically moving the contact image sensor @ mounting table 10; 12 is an upper and lower part of the contact image sensor mounting table 10; Guide rod during movement, 13 is 2 or more types of test charts 4a
, 4b and 4c are attached to the chart stand, and 14 is a linear motor as a second moving mechanism for moving the chart stand 13 back and forth. Next, the operation will be explained. The close-contact image sensor 1 is placed on the close-contact image sensor mounting table 10
Then, the contact image sensor 1 is fixed to the contact image sensor mounting table 10 by a pressing mechanism (not shown). Then, the chart stand 13 is moved back and forth by the linear motor 14, and the contact image sensor l
The test chart 4a is made to correspond to the test chart 4a. Thereafter, the contact image sensor mounting table 10 is lowered along the guide rod 12 by the air cylinder 11, and the contact image sensor 1 and the test chart 4a are brought into close contact with each other to perform a predetermined test. After the test, the contact image sensor mounting table 10 is raised by the air cylinder 11, and then the chart table 13 is moved to a predetermined position by the linear motor 14 so that the next test chart 4b and the contact image sensor 1 correspond to each other. Move and repeat the test again. After all tests are completed in this way, the contact image sensor mounting table 10 is raised, the pressing mechanism (not shown) is removed, and the contact image sensor 1 placed on the contact image sensor mounting table 10 is removed. The contact image sensor 1 is replaced with another test object, ie, the contact image sensor 1. In the above embodiment, a case was explained in which a single contact image sensor is tested, but two or more contact image sensors can be placed in parallel on the contact image sensor mounting table 10! ! 2
When the test chart 4a tests the first contact image sensor 1 and then moves the chart stand 13 so that the test chart 4b tests the contact image sensor 1, the test chart 4a passes the second contact image sensor I. By making it correspond to the above, it becomes possible to test a plurality of contact image sensors l at the same time. Furthermore, in the above embodiment, a case was described in which a planar chart stand was moved back and forth to test the contact image sensor for each chart. However, as shown in FIG. Test chart 4a on the side,
4b and 4c and the test of the contact image sensor 1 is carried out by rotating and moving the polygonal columnar chart stand 15, the same effect as in the above embodiment can be obtained.

【Effect of the invention】

As described above, according to the present invention, the test is performed by moving the chart stand on which the chart is attached to a position separated from the contact image sensor mounting stand while the contact image sensor is initially positioned and fixed. Because the structure is designed to prevent damage to the close-contact image sensor or test chart,
This has the effect of preventing dust from adhering to the test chart and improving the reliability of the test.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a close contact image sensor testing device according to an embodiment of the present invention, FIG. 2 is a perspective view showing another embodiment of the close contact image sensor testing device according to the present invention, and FIG. 3 is a perspective view of a conventional close contact image sensor testing device. FIG. 1 is a perspective view showing an example of an image sensor testing device. l is a contact image sensor, 4a, 4b, 4c are test charts, IO is a contact image sensor mounting table, 11 is the first
A moving mechanism (air cylinder), 13° 15 a chart stand, and 14 a second moving mechanism (linear motor). In addition, in the figures, the same reference numerals indicate the same or equivalent parts. 5a qQ

Claims (1)

[Claims] a contact image sensor mounting table for positioning and placing a contact image sensor as a test object; a first moving mechanism for linearly moving the contact image sensor mounting table;
a chart stand on which a plurality of test charts for testing the contact image sensor are attached; A contact image sensor testing device comprising a second moving mechanism for moving a chart stand.