The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 20, 2023
Filed:
Dec. 10, 2020
Industrial Technology Research Institute, Hsinchu, TW;
Kuan-Chou Chen, Hsinchu, TW;
Ching-Chiun Wang, Miaoli County, TW;
Chih-Yung Huang, Hsinchu, TW;
Muh-Wang Liang, Miaoli County, TW;
Yi-Jiun Lin, Chiayi County, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A deposition apparatus including a chamber having a deposition area and a non-deposition area, a gas intake device communicated with the chamber, a gas annulus disposed in the chamber and surrounding the gas intake device, a carrier disposed in the deposition area and a retaining annulus disposed in chamber and surrounding the carrier. The gas intake device is disposed corresponding to the deposition area and configured to draw a process gas into the deposition area. The gas annulus is configured to generate an annular gas curtain in the deposition area. The carrier carries a deposited object, wherein the gas annulus is located between the gas intake device and the carrier. The deposited object is surrounded by the annular gas curtain. The retaining annulus has a plurality of through holes. The retaining annulus is located between the gas annulus and the carrier.