Bare stainless steel charging contact formed by metal injection molding and decoration thereof

Through metal injection molding and surface treatment technology, the complex shape and aesthetics of charging contacts in wearable devices are solved, and efficient and economical charging contacts are achieved, which improves the overall performance of the equipment.

CN119726293APending Publication Date: 2025-03-28CTRL-LABS CORP
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Patent Information

Application Number
CN202411363206.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-09-16
Filing Date
2024-09-27
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

Existing charging contacts have challenges in aesthetics and electrical performance, especially in wearable devices, where the complex geometry of the charging contacts and the difficulty of achieving dark finishes lead to performance degradation.

Method used

Stainless steel substrates are manufactured using metal injection molding processes and layers are deposited and removed on the functional and decorative surfaces of the charging contacts through ink masks and physical vapor deposition techniques to achieve complex geometric shapes and dark decorations.

Benefits of technology

The manufacturing of charging contacts in complex geometric shapes is realized, which improves aesthetics and electrical performance, reduces manufacturing costs, and improves applicability to wearable devices.

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Abstract

A method for manufacturing a charging contact may include selectively depositing a first layer over at least one functional surface of a charging contact via an ink mask, depositing a second layer over the functional surface and at least one decorative surface of the charging contact via physical vapor deposition, and removing the first layer and the second layer from the functional surface via a solvent.
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