Electronic Gear Shifter FPC
Hongyi Precision R&D validated extensive assembly motions and determined that connector pads, soldering pins, and external mounting areas require stiffeners—stainless steel or rigid PI—with thickness ≥0.1 mm to enhance plug-in and assembly strength; stiffeners must not be applied in dynamic bending zones to avoid restricting flexibility and causing stress-concentration fractures.
Key features
Integrated conductive ring design
Combines sensing traces and conductive ring to simplify gear shifter structure
Specialized bending process control
Dynamic and static bending radii defined by zone to prevent copper fatigue fracture
High-precision fine-pitch traces
Ensures linear angular signal output and accurate gear-position recognition
Automotive-grade wide-temperature tolerance
Withstands alternating high/low temperatures inside vehicle cabins
Irregular multi-branch integrated forming
Matches tight, complex internal assembly space of gear shifters
100% powered electrical testing
Strict batch consistency control to reduce in-vehicle failure risk
Specifications
- Layers
- 1–2 layers
- Minimum trace/space
- 60/60 μm
- Base material
- PI 12.5 μm / 25 μm
- Copper thickness
- 12 μm, 18 μm
- Surface finish
- ENIG gold plating, OSP
- Dynamic bending radius
- ≥10–20× board thickness
- Static bending radius
- ≥6–10× board thickness
- Operating temperature
- -40°C to 105°C
- Electrical testing
- 100% full inspection
Typical applications
- Automotive electronic gear shifter position sensor
- In-vehicle rotary angle position detection module
- Automotive control mechanism signal acquisition component
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