METHOD FOR MANUFACTURING A MICROMECHANICAL COMPONENT, IN PARTICULAR A CLOCK DRIVE SPRING, WITH OPTIMIZED CONTACT AREA
DE602021045013T2Active Publication Date: 2025-12-24ETA SA MFG HORLOGERE SUISSE
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Patent Information
- Application Number
- DE602021045013
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2020-09-15
- Filing Date
- 2021-08-31
- Publication Date
- 2025-12-24
- Estimated Expiration
- 2041-08-31
AI Technical Summary
Technical Problem
Swiss lever escapement mechanisms made of nickel-plated steel are sensitive to magnetic fields and perform poorly in certain climatic conditions, leading to degradation of performance, amplitude irregularity, and lubricant loss.
Method used
A method involving a substrate made of nickel-phosphorus (NiP12) coated with a thin layer of low-phosphorus nickel or nickel-boron to enhance lubricant adhesion and stability, using galvanic or chemical deposition methods, ensuring a non-magnetic character and improved lubrication.
Benefits of technology
Enhances lubricant adhesion and stability under various climatic conditions, maintaining consistent amplitude and reducing aging of escapement components.
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