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:
Aug. 13, 2024
Filed:
Apr. 17, 2023
Primax Electronics Ltd., Taipei, TW;
Chao-Wei Lee, Taipei, TW;
Hsueh-Chao Chang, Taipei, TW;
PRIMAX ELECTRONICS LTD., Taipei, TW;
Abstract
A touchpad module includes a touch member, a touch sensitive circuit board and an additional solder resist layer. The touch sensitive circuit board is located under the touch member. The touch sensitive circuit board includes a substrate, a sensing wire layer and a solder resist layer. The sensing wire layer is installed on the substrate. The sensing wire layer and a portion of the substrate are covered by the solder resist layer. At least one exhaust channel is formed in the solder resist layer. The additional solder resist layer is arranged between the touch member and the touch sensitive circuit board. At least one additional exhaust channel is formed in the additional solder resist layer and arranged between the touch member and the touch sensitive circuit board. The at least one additional exhaust channel is in communication with the at least one exhaust channel.