Printed sensing system
Select the FR-4 stack, carbon system, conductor overlap, film build, cure, collector path, exposed windows, and protection as a compatible sensor construction.
Drawing-defined linear-response element
Linear Carbon Film Sensor PCB
Linear carbon film sensor PCBs use a printed resistive path and collector interface to deliver a drawing-defined response across travel. “Linear” describes the required transfer characteristic, not necessarily a straight physical outline. Chipsimple reviews the curve, geometry, wiper, loading, terminals, environment, calibration, and wear duty together.
- Linear-response curve released by drawing
- Straight or curved geometry can be reviewed
- Wiper mechanics included in validation
- Calibration and wear limits project-specific
±1–5% FSLinearity typical
10 Ω–1 MΩCategory target range
5Verified product views
By curveFinal sensor release
On this pageOverview
Quick Specifications
The table provides FR-4 carbon-film selection values for early sensor review. Board construction, carbon system, response curve, active travel, wiper interface, loading, protection, environment, calibration, and wear target are confirmed from the complete mechanism and released drawing.
Final values confirmed against customer drawing.
| Base Material | FR-4 |
|---|---|
| Board Thickness | 0.4–3.2 mm typical |
| Copper Weight | 0.5–2 oz typical |
| Carbon Ink | Polymer carbon / Ag-C blend |
| Carbon Film Thickness | 8–15 µm typical |
| Cure Temperature | 120–150°C typical |
| Sheet Resistance | 50–5,000 Ω/□/25 µm reference |
|---|---|
| Target Resistance | 10 Ω–1 MΩ typical |
| Resistance Tolerance | ±5% / ±10% typical |
| Linearity | ±1–5% FS typical |
| Surface Finish | HASL / ENIG / ENEPIG |
| Wear Life | ≥10,000 cycles typical |
Engineering Capabilities
Linear response requires coordinated electrical and mechanical design. Engineering review connects track geometry and sheet resistance, collector routing, curve points, travel reference, direction, wiper material and force, alignment, loading, contact stability, protection, environment, movement duty, calibration, and the end-of-line measurement fixture.
Response and travel artwork
Release the physical path with active travel, reference direction, curve points, terminals, dead zones, registration features, and required linearity or custom transfer limits.
Wiper and mechanism
Define contact material, geometry, force, speed, support, alignment, play, travel stops, lubrication, contamination, connector, and housing tolerances.
Curve and lifecycle validation
Measure output across travel with controlled loading, direction, speed, contact force, conditioning, repeatability, wear, environment, calibration, and acceptance limits.
Typical Applications
Linear-response elements can follow straight or curved motion paths when the mechanism, transfer curve, electronics, and calibration method are released together.
Application illustrationRobotics position feedback
Custom tracks can follow compact joints or slides after travel, curve, wiper support, electrical loading, speed, duty, and controller calibration are defined.
Review application inputs
Application illustrationLiquid-level mechanisms
A resistive response may be paired with a float or linkage when motion conversion, contact mechanics, media isolation, output curve, and lifecycle validation are controlled.
Review application inputs
Application illustrationIndustrial actuator sensing
Actuator feedback requires released travel, alignment, connector, vibration, contamination, loading, curve tolerance, calibration, and end-of-line test conditions.
Review application inputsVerified Product Views
The verified photographs show FR-4 sensor elements with several curved or concentric black printed tracks, conductor paths, terminal pads, holes, and reference markings. These visible shapes do not establish a linear transfer curve, resistance, travel, direction, wiper compatibility, wear, or calibration accuracy.
- Geometry clarification
- The photographed paths are curved; linear refers to the specified electrical response, not the outline.
- Curve boundary
- Linearity, resistance, direction, measurement points, and calibration require controlled data and a fixture.
- Contact boundary
- Wiper material, force, alignment, speed, and support are part of the complete sensor mechanism.
- Lifecycle boundary
- Wear, noise, repeatability, and environment are validated at the released loading and movement duty.
Manufacturing & Quality
Chipsimple supports polymer-carbon printing, laboratory inspection, managed production, and protected packing in Dongguan. Linear-response sensor projects release the board and ink system, curve artwork, wiper fixture, calibration test, sampling, traceability, and acceptance limits together; complete-sensor performance depends on the customer mechanism.
View Full Capabilities
Technical FAQ
Short answers for quotation planning; released drawings and validation requirements remain controlling.
What should be defined first for a custom Linear Carbon Film Sensor PCB?
Define the required resistance or voltage response against travel, linearity or curve tolerance, direction, active range, measurement points, loading, wiper material and force, motion geometry, speed, duty, support, connector, environment, calibration, and end-of-line test. The physical track does not have to be straight.
Are the quick specification values guaranteed for every design?
No. They are practical category-level selection values, not a released product specification. Material compatibility, geometry, print build, electrical loading, assembly, environment, inspection method, and expected volume can narrow the usable window. Final values are confirmed against the controlled drawing and approved project conditions.
How should Linear Carbon Film Sensor PCB performance be validated?
Use the production-intent mechanism to measure output across travel, direction, loading, speed, and contact force. Include repeatability, hysteresis if relevant, contact noise, temperature, humidity, vibration, contamination, and wear. Control fixtures, conditioning, sample size, calibration, and acceptance limits.
What should be included with an RFQ?
Send the controlled drawing or artwork, dimensions and tolerances, material preference, electrical targets, assembly interface, operating environment, validation requirements, prototype quantity, annual volume, and schedule. Include the curve table, active travel, direction, motion geometry, wiper and force, electrical load, calibration, and target cycles.
Request a Linear Carbon Film Sensor PCB Quote
Send the transfer curve and real mechanism together. Track geometry, active travel, wiper mechanics, loading, protection, environment, calibration, and wear validation determine the manufacturable sensor route. Clearly distinguish a linear electrical response from the physical shape of the printed path.
- Drawing-led DFM and material-route feedback
- Prototype and repeat-production route review
- Confidential handling of customer files
- Project-specific inspection and validation planning
- Gerber, drill, outline, and sensor drawing
- FR-4 stack, finish, carbon system, and protection
- Resistance or voltage curve with tolerance and direction
- Active travel, reference points, loading, and calibration
- Wiper material, geometry, force, speed, and support
- Mechanism, connector, environment, wear, and validation
- Quantity, schedule, sampling, traceability, and packing
- 1We review the drawing, application, material route, and missing acceptance inputs.
- 2You receive DFM questions and a prototype route for approval.
- 3Repeat production follows the released revision, inspection plan, and packing requirement.
Submit RFQ and upload files
PDF, DWG, DXF, STEP, Gerber, ZIP, Excel, Word, or sample photos are accepted.