Electrostatic platen for conductive pet film printing

Patent metadata

Field	Value
Publication number	US-9623679-B1
Application number	US-201514944940-A
Country	US
Kind code	B1
Filing date	Nov 18, 2015
Priority date	Nov 18, 2015
Publication date	Apr 18, 2017
Grant date	Apr 18, 2017

Abstract

Methods and devices for creating an electrostatic force. An electrostatic platen device includes a continuous conductive layer; a first dielectric layer provided on a first surface of the continuous conductive layer; and a second dielectric layer provided on a second surface of the continuous conductive layer opposite to the first surface of the conductive layer. A power source is electrically coupled to the continuous conductive layer to generate an electric tacking field.

First claim

What is claimed is:

1. An electrostatic platen device for an ink printing device, the electrostatic platen device comprising:
a printing area over which a printing material is positioned during an ink printing process;
a position outside the printing area;
a continuous conductive layer having an unperforated printing area, wherein the continuous conductive layer comprises a continuous conductive material that is free from holes therethrough within an entirety of the printing area and is uninterrupted in extent within the entirety of the printing area;
a first dielectric layer provided on a first surface of the continuous conductive layer;
a second dielectric layer provided on a second surface of the continuous conductive layer opposite to the first surface of the conductive layer; and
a power source electrically coupled to the continuous conductive layer to generate an electric field.

2. The electrostatic platen device of claim 1 , further comprising:
a thermal spreader layer provided on a first surface of the second dielectric layer that is opposite to a second surface of the second dielectric layer on which the continuous conductor layer is provided;
a third dielectric layer provided on a first surface of the thermal spreader layer that is opposite to a second surface of the thermal spreader layer on which the second dielectric layer is provided;
a thermal layer provided on a first surface of the third dielectric layer that is opposite to a second surface of the third dielectric layer on which the thermal spreader layer is provided; and
a fourth dielectric layer provided on a first surface of the thermal layer that is opposite to a second surface of the thermal layer on which the third dielectric layer is provided.

3. The electrostatic platen device of claim 2 , further comprising:
a thermal temperature sensor provided on the thermal spreader layer.

4. The electrostatic platen device of claim 2 , further comprising:
heating circuitry provided on the thermal layer.

5. The electrostatic platen device of claim 2 , further comprising:
an insulation layer provided on a first surface of the fourth dielectric layer that is opposite to a second surface of the second dielectric layer on which the thermal layer is provided.

6. The electrostatic platen device of claim 1 , further comprising:
an insulation layer provided on a first surface of the second dielectric layer that is opposite to a second surface of the second dielectric layer on which the continuous conductive layer is provided.

7. The electrostatic platen device of claim 1 , wherein the continuous conductive layer is made substantially of aluminum.

8. The electrostatic platen device of claim 1 , wherein the dielectric layers are made substantially of Kapton.

9. The electrostatic platen device of claim 2 , wherein the thermal spreader layer is made substantially of copper.

10. The electrostatic platen device of claim 1 , further comprising:
a support frame having provided thereon the second dielectric layer.

11. An electrostatic platen device for an ink printing device, the electrostatic platen device comprising:
a printing area over which a printing material is positioned during an ink printing process;
a position outside the printing area;
a continuous conductive layer having an unperforated printing area, wherein the continuous conductive layer comprises a continuous conductive material that is free from holes therethrough within an entirety of the printing area and is uninterrupted in extent within the entirety of the printing area;
a first dielectric layer provided on a first surface of the continuous conductive layer;
a second dielectric layer provided on a second surface of the continuous conductive layer opposite to the first surface of the conductive layer;
a thermal spreader layer provided on a first surface of the second dielectric layer that is opposite to a second surface of the second dielectric layer on which the continuous conductor layer is provided;
a third dielectric layer provided on a first surface of the thermal spreader layer that is opposite to a second surface of the thermal spreader layer on which the second dielectric layer is provided;
a thermal layer provided on a first surface of the third dielectric layer that is opposite to a second surface of the third dielectric layer on which the thermal spreader layer is provided; and
a fourth dielectric layer provided on a first surface of the thermal layer that is opposite to a second surface of the thermal layer on which the third dielectric layer is provided.

12. The electrostatic platen device of claim 11 , further comprising:
a thermal temperature sensor provided on the thermal spreader layer.

13. The electrostatic platen device of claim 11 , further comprising:
heating circuitry provided on the thermal layer.

14. The electrostatic platen device of claim 13 , wherein the heating circuitry includes a plurality of heaters.

15. The electrostatic platen device of claim 11 , further comprising:
a thermal insulation layer provided on a first surface of the fourth dielectric layer that is opposite to a second surface of the forth dielectric layer on which the thermal layer is provided.

16. The electrostatic platen device of claim 15 , wherein the thermal insulation layer is made substantially of fiberglass.

17. The electrostatic platen device of claim 11 , wherein the continuous conductive layer is made substantially of aluminum.

18. The electrostatic platen device of claim 11 , wherein the dielectric layers are made substantially of Kapton.

19. The electrostatic platen device of claim 11 , wherein the thermal spreader layer is made substantially of copper.

20. The electrostatic platen device of claim 11 , further comprising:
a support frame having provided thereon the fourth dielectric layer.

Assignees

• Xerox Corp

Inventors

• Leighton Roger G
• Fromm Paul M
• Wende Alexander
• Fletcher Gerald

Classifications

• B41J11/02 Primary

  Platens · CPC title

• B41J11/06

  Flat page-size platens {or smaller flat platens having a greater size than line-size platens (B41J11/0085 takes precedence)} · CPC title

• B41J3/407 Primary

  for marking on special material · CPC title

• B41J11/00242

  Controlling the temperature of the conduction means · CPC title

• B41J11/00244

  Means for heating the copy materials before or during printing · CPC title