Static elimination device and a cassette

Patent metadata

Field	Value
Publication number	US-9265133-B2
Application number	US-201213578621-A
Country	US
Kind code	B2
Filing date	Jun 12, 2012
Priority date	May 30, 2012
Publication date	Feb 16, 2016
Grant date	Feb 16, 2016

Abstract

A static elimination device is proposed for eliminating static electricity on the surface of a large-size glass substrate. The static elimination device includes a rotation axis and an electrostatic neutralizer. The rotation axis is installed outside a cassette in which the glass substrate is installed. The electrostatic neutralizer is permanently connected to the rotation axis. The rotation axis is driven to rotate, causing the electrostatic neutralizer centered on the rotation axis to rotate back and forth at a specific angle. The static elimination device of the present invention features simple structure, low fuel consumption and high efficiency, low cost, and high efficiency in static elimination. Owing to these features, the static elimination device of the present invention could work very well for the glass substrate of an arbitrary size. A cassette including the static elimination device is also proposed.

First claim

What is claimed is:

1. A static elimination device, for eliminating static electricity on a surface of a large-size glass substrate, comprising:
a rotation axis, disposed outside a cassette of the glass substrate;
an electrostatic neutralizer, permanently connected to the rotation axis;
the rotation axis driven to rotate, causing the electrostatic neutralizer centered on the rotation axis to rotate back and forth at a specific angle;
a fixation axis, installed at one side of the rotation axis and parallel to the rotation axis;
a telescopic device, comprising two terminals, the one terminal permanently connected to the fixation axis, the other terminal rotatably connected to the rotation axis, and a horizontal direction between the fixation axis and the rotation axis parallel to a direction along the telescopic device; and
a short lever, comprising two terminals, the one terminal permanently connected to the rotation axis, and the other terminal permanently connected to the electrostatic neutralizer.

2. The static elimination device as claimed in claim 1 , wherein the telescopic device is a cylinder.

3. The static elimination device as claimed in claim 1 , wherein the electrostatic neutralizer centered on the rotation axis rotates at an angle of 0 to 90 degrees.

4. The static elimination device as claimed in claim 1 , wherein the electrostatic neutralizer comprises a rod and a plurality of emitter sets, the rod is a high-pressure gas-filled rod, and the plurality of emitter sets are vertically disposed on the rod at intervals.

5. The static elimination device as claimed in claim 4 , wherein the plurality of emitter sets comprise:
an emitter, disposed on the rod vertically, comprising a tip which keeps discharging for producing ions used for neutralizing static electricity on the surface of the glass substrate;
a nozzle, installed at a periphery of the emitter, the nozzle comprising an aperture, and the aperture of the nozzle and the tip of the emitter facing the same direction;
the nozzle connected to a body of the rod, and the high-pressure gas which passes through the body of the rod spraying the ions produced by the emitter on the surface of the glass substrate at a specific angle through the nozzle.

6. The static elimination device as claimed in claim 5 , wherein the nozzle is a cone-shaped nozzle, and a spraying angle on an extension view is usually set as 35 degrees.

7. The static elimination device as claimed in claim 1 , wherein the static elimination device further comprises a server drive motor, and the server drive motor is connected to the rotation axis and drives the rotation axis to rotate at a specific angle.

8. The static elimination device as claimed in claim 1 , wherein the static elimination device are two in quantity, the two static elimination devices are symmetrically disposed on the diagonal corners of the cassette and outside the cassette, and the two static elimination devices are perpendicular to a bottom of the cassette.

9. A cassette, comprising an entity of cassette and a static elimination device installed on the entity of cassette, wherein the static elimination device comprises:
a rotation axis, disposed outside the entity of cassette in which a glass substrate is installed;
an electrostatic neutralizer, permanently connected to the rotation axis;
a fixation axis, installed at one side of the rotation axis and parallel to the rotation axis;
a telescopic device, comprising two terminals, the one terminal permanently connected to the fixation axis, the other terminal rotatably connected to the rotation axis, and a horizontal direction between the fixation axis and the rotation axis parallel to a direction along the telescopic device;
a short lever, comprising two terminals, the one terminal permanently connected to the rotation axis, and the other terminal permanently connected to the electrostatic neutralizer;
the rotation axis driven to rotate, causing the electrostatic neutralizer centered on the rotation axis to rotate back and forth at a specific angle.

10. The cassette as claimed in claim 9 , wherein the electrostatic neutralizer centered on the rotation axis rotates back and forth at an angle of 0 to 90 degrees.

11. The cassette as claimed in claim 9 , wherein the electrostatic neutralizer comprises a rod and a plurality of emitter sets, the rod is a high-pressure gas-filled rod, and the plurality of emitter sets are vertically disposed on the rod at intervals.

12. The cassette as claimed in claim 11 , wherein the plurality of emitter sets comprise:
an emitter, disposed on the rod vertically, comprising a tip which keeps discharging for producing ions used for neutralizing static electricity on a surface of the glass substrate;
a nozzle, installed at a periphery of the emitter, the nozzle comprising an aperture, and the aperture of the nozzle and the tip of the emitter facing the same direction;
the nozzle connected to a body of the rod, and the high-pressure gas which passes through the body of the rod spraying the ions produced by the emitter on the surface of the glass substrate at a specific angle through the nozzle.

13. The cassette as claimed in claim 9 , wherein the electrostatic neutralizer further comprises a server drive motor, and the server drive motor is connected to the rotation axis and drives the rotation axis to rotate at a specific angle.

14. The cassette as claimed in claim 9 , wherein the static elimination device are two in quantity, the two static elimination devices are symmetrically disposed on the diagonal corners of the entity of cassette and outside the entity of cassette, and the two static elimination devices are perpendicular to a bottom of the entity of cassette.

Assignees

• Li Xiande
• Wu Chunhao
• Lin Kunhsien
• Zhu Erqing
• Qi Minghu
• Yang Weibing
• Shenzhen China Star Optoelect

Inventors

• Li Xiande
• Wu Chunhao
• Lin Kunhsien
• Zhu Erqing
• Qi Minghu
• Yang Weibing

Classifications

• H05F3/06

  by means of ionising radiation · CPC title

• H05F3/00 Primary

  Carrying-off electrostatic charges ({from shoes A43B7/36}; from living beings A61N1/14; {from tyres B60C19/08; from vehicles B60R16/06; from aircraft B64D45/02; from large containers B65D90/46}) · CPC title

• H01T19/04 Primary

  having pointed electrodes · CPC title