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A test apparatus for testing image sensor packages. The test apparatus is configured to stably vacuum-absorb an image sensor package in a surface manner, wherein when a vacuum adsorption sheet having a package adsorption hole in the shape of a wide square surface is coupled to the bottom of the floating plate at which an upper socket is seated, a vacuum line is formed by connecting the cover vacuum hole of the pusher, the board vacuum hole of the upper circuit board, the plate vacuum hole of the floating plate, and the package adsorption hole of the vacuum adsorption sheet together.

Titel:	TEST APPARATUS FOR IMAGE SENSOR PACKAGE
Link:	View record in USPTO Patent Applications (Volltext)
Veröffentlichung:	2024
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Applications Sprachen: English Document Number: 20240151769 Publication Date: May 9, 2024 Appl. No: 18/492008 Application Filed: October 23, 2023 Assignees: TSE CO., LTD (Cheonan-si, KR) Claim: 1. A test apparatus for image sensor packages, comprising: an image sensor package having a light-receiving surface at a bottom and a sensor terminal at a top; a light source device mounted on a tester that provides a test signal to emit light toward the light-receiving surface of the image sensor package; a lower socket mounted on the tester, and including a package seating portion on which the image sensor package is seated, a light source insertion portion where the light source device is placed at a bottom of the package seating portion, and a pogo pin electrically connecting the tester and an upper circuit board; an upper socket made of an elastic insulating material containing a plurality of conductive particles, and having an elastic conductive portion that electrically connects the upper circuit board and the image sensor package; a pusher to which the upper circuit board on which a board vacuum hole is formed is coupled, having a cover vacuum hole through which vacuum pressure of a vacuum generator is transferred, and capable of moving toward or away from the lower socket by using power received from a driving part; and a floating plate coupled to the pusher, having a plate vacuum hole formed therein, and having a socket seating portion on which the upper socket is seated and a plate hole at the top, wherein when a vacuum adsorption sheet having a package adsorption hole for adsorbing the image sensor package is coupled to a lower part of the floating plate, a vacuum line is formed by connecting the cover vacuum hole to the board vacuum hole, connecting the board vacuum hole to the plate vacuum hole, and connecting the plate vacuum hole to the package adsorption hole. Claim: 2. The test apparatus of claim 1, wherein the test signal provided from the tester is delivered to the image sensor package through the light source device, the lower socket, the upper circuit board, and the upper socket. Claim: 3. The test apparatus of claim 1, wherein a guide portion for guiding the image sensor package is formed on a lower surface of the floating plate so as to protrude therefrom, and the vacuum adsorption sheet is provided with a guide hole into which the guide portion is inserted. Claim: 4. The test apparatus of claim 1, wherein the package adsorption hole of the vacuum adsorption sheet is sized to surround the plate hole of the floating plate. Claim: 5. The test apparatus of claim 1, wherein an area of the package adsorption hole is 0.1 times or more than that of the image sensor package. Claim: 6. The test apparatus of claim 1, wherein the vacuum adsorption sheet is made of an inelastic insulating material. Claim: 7. The test apparatus of claim 6, wherein the inelastic insulating material is one of polyimide film, FR4, engineering plastic, or insulation coated metal. Claim: 8. The test apparatus of claim 1, wherein the pusher includes a base that accommodates the upper circuit board, the upper socket, and the floating plate, and a cover that covers the base. Claim: 9. The test apparatus of claim 8, wherein the cover vacuum hole is formed in the cover. Claim: 10. The test apparatus of claim 1, wherein a gasket surrounding the cover vacuum hole and the board vacuum hole is coupled between the cover and the upper circuit board. Claim: 11. The test apparatus of claim 1, wherein a gasket surrounding the board vacuum hole and the plate vacuum hole is coupled between the upper circuit board and the floating plate. Current International Class: 01; 01; 01

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TEST APPARATUS FOR IMAGE SENSOR PACKAGE