Custom Silicone Rubber Elastomer Remote Keypad
- Substrate: Silicone + PET
- Tactile Feel: High Snap Ratio
- Life Cycle: >1,000,000 Cycles
Precision Product Catalog
High-Reliability Membrane Switch & HMI Assemblies
Manufactured under cleanroom tolerances with premium Autotex PET, conductive silver/carbon tracks, and stainless steel tactile domes for demanding North American equipment builders.
Industrial Conductive Non-Toxic Keypad Switch
- Contact: Conductive Carbon Pill
- Safety: RoHS / Non-Toxic
- Protection: Chemical Resistant
Polyethylene Industrial Membrane Switch Overlay
- Overlay: Autotex PET / Matte
- Adhesive: 3M 467MP / 468MP
- Printing: Subsurface Silk Screen
Capacitive Touch Screen Screen-Printed Panel
- Operation: Zero Mechanical Wear
- Display: Dead-Front Windows
- Application: Smart Appliances / Med
Multi-Color PTT Push Button Elastomer Keypad
- Actuation: 250g - 450g Force
- Surface: PU / Epoxy Hard Coating
- Resistance: <50 Ohms Resistance
Factory IP65 Waterproof Membrane Keypad Panel
- Ingress: IP65 / IP67 Perimeter Seal
- Embossing: Rim or Pillow Formed
- Feedback: Stainless Dome Tactile
Universal FSR Force-Sensitive Pressure Sensor
- Linearity: Dynamic Pressure Curve
- Thickness: <0.25mm Ultra-Thin
- Use: Robotics & Bio-Monitoring
Embossed Industrial Silicone Control Switch
- Shielding: ESD / RFI Screen Layer
- Backlight: Integrated SMD Micro-LEDs
- Durability: Harsh Chemical Tolerance
Engineering White Paper
PET Membrane Architecture: The Physical Stack-Up
Understanding why Polyethylene Terephthalate (PET) outperforms Polycarbonate (PC) and Polyvinyl Chloride (PVC) across cyclic actuation tests, harsh solvents, and flexural fatigue.
Flexural Fatigue Resistance
Unlike Polycarbonate, which develops micro-fissures and brittle fractures after repeated actuation, biaxially oriented PET film exhibits an elongation yield point and flexural modulus engineered for >5,000,000 switch operations. When keys require mechanical dome embossing (rim, pillow, or polydome), PET maintains spring memory and tactile feedback profile over decades of operational life.
Aggressive Solvent & Reagent Inertness
Medical instruments and industrial controllers in California laboratories are repeatedly sanitized with isopropyl alcohol (IPA), bleach (sodium hypochlorite), and ammonia-based cleansers. Standard PC overlays craze and yellow under chemical contact. Hard-coated PET films (such as MacDermid Autotype Autotex V200) establish an impermeable chemical barrier conforming to DIN 42 115 test standards.
Dimensional Stability Under Thermal Load
Circuit registration shifts can lead to open circuits and trace fractures. We thermally pre-shrink all PET circuit films in clean convection ovens prior to conductive silver printing. This process suppresses thermal shrinkage below 0.05% at 150°C, ensuring absolute pitch alignment down to 0.5mm pitch FFC/FPC connectors and preventing conductor delamination in outdoor installations.
| Material Property Parameter | Autotex Biaxially-Oriented PET | Optical Polycarbonate (PC) | Flexible PVC Film |
|---|---|---|---|
| Switch Actuation Life (ASTM F1578) | > 5,000,000 cycles | ~ 100,000 cycles (Embossed) | < 50,000 cycles (Creep prone) |
| Chemical / Disinfectant Resistance | Excellent (IPA, MEK, Acetone, Bleach) | Poor (Crazes under solvents/alcohols) | Moderate (Plasticizer migration) |
| Embossing Retention at High Temps | High (Holds tactile memory >85°C) | Moderate (Subject to thermal sag) | Extremely Poor (Deforms >50°C) |
| Dielectric Strength (ASTM D149) | 180 - 200 kV/mm | 120 - 140 kV/mm | 80 - 100 kV/mm |
| Environmental & Outgassing Profile | RoHS, REACH compliant, Halogen-Free | Contains Bisphenol-A (BPA) precursors | Phthalates present, high outgassing |
San Francisco Bay Area Ecosystem
Tailored HMI Engineering for Northern California Hardware Clusters
Connecting Silicon Valley R&D innovation with agile, high-precision overseas manufacturing. How our membrane control panels empower Bay Area original equipment manufacturers.
South San Francisco Biopharma & MedTech
From laboratory centrifuge interfaces to blood gas analyzers in South San Francisco biotechnology parks, contamination control is mandatory. We engineer antimicrobial-coated PET membrane panels featuring complete flat-surface hermetic seals that survive hospital-grade quaternary disinfectants, UV-C sterilizers, and autoclave vapors without legend fading or ingress failure.
Silicon Valley Robotics & Autonomous Systems
San Jose and Sunnyvale robotics developers require thin, lightweight interfaces capable of withstanding rough handling and vibrational loads. Our integrated thin-film force sensors (FSR) and tactile dome switches integrate directly onto robotic end-effectors, AGV pendant controllers, and autonomous delivery vehicles, delivering IP67 ingress ratings and robust EMI shielding against high-power servo noise.
East Bay CleanTech & EV Infrastructure
In Fremont, Oakland, and Hayward, green energy innovators are deploying commercial battery energy storage systems (BESS) and high-voltage DC fast-charging kiosks. We produce UV-stabilized PET control overlays utilizing specialized anti-yellowing fluorocarbon inks that resist coastal Pacific maritime air, solar UV exposure, and broad thermal swings from -40°C to +85°C.
Factory-Direct Authority
10,000㎡ Production Facility Audited by Intertek
For over 12 years, Dongguan AXRU Electronics Co., Ltd. has served as a strategic OEM/ODM production partner for Tier-1 technology brands and Fortune 500 equipment manufacturers worldwide.
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100% In-House Cleanroom Assembly: Screen printing, circuit baking, dome pick-and-place, adhesive lamination, and die-cutting are executed under one roof to maintain absolute trace cleanliness.
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Rigorous Metrology & Inspection Lab: Every batch is validated against electrical continuity, insulation resistance (>100MΩ @ 100V DC), key life cycling, and force-displacement snap profiles.
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California Supply Chain Readiness: Direct DFM engineering reviews, low prototyping MOQ (100 pcs), express air sampling to SFO/OAK within 5–7 business days, and complete PPAP / FAI paperwork.
121+ Experts
100% Automated Electrical Inspection
10,000㎡
Production Campus
12+ Yrs
HMI Engineering Heritage
100%
Full Electrical QC
100 Pcs
Accessible Prototype MOQ
Procurement Intelligence
San Francisco Hardware Buyer FAQs
Direct, transparent answers regarding DFM rules, connector selections, turnaround times, and regulatory compliance for Bay Area engineering teams.
How does AXRU coordinate engineering reviews with California design teams?
We provide overlapping engineering hours aligned with Pacific Standard Time (PST). Our senior DFM engineers assess your 2D/3D CAD drawings (DXF, DWG, STEP, AI), stack-up definitions, and connector interfaces within 24 hours. We identify potential failure points such as acute trace angles, trace routing through flexure zones, insufficient dome venting, and adhesive perimeter gaps before tooling begins.
What is the typical prototype-to-production turnaround time for Bay Area shipments?
Rapid prototyping using digital flatbed cutting and direct UV-LED proof printing takes approximately 5 to 7 business days. Once engineering samples are approved by your Bay Area lab, mass production tooling (steel-rule or CNC etched dies) and volume fabrication require 12 to 18 business days. We partner with DHL, FedEx Priority, and air cargo forwarders directly into SFO or OAK airports for transit times of 3 to 4 days.
Can you manufacture membrane panels compliant with medical device FDA/ISO regulations?
Yes. We regularly supply custom HMI panels to medical and laboratory device innovators throughout Silicon Valley. Our facilities adhere strictly to ISO 9001 and verified quality management standards. All raw materials (Autotex PET overlays, 3M medical-grade acrylic adhesives, conductive silver inks) come with full lot traceability, RoHS declarations, REACH documentation, and UL94 flammability ratings.
What tail exit connectors and pitches are supported for PCB/MCU integration?
We support standard pitch configurations including 2.54mm (0.100"), 1.27mm (0.050"), and 1.0mm pitch FFC/FPC crimp connectors (such as Nicomatic, FCI Clincher, or Amphenol solder tabs). For dense layouts, we print silver migration-resistant traces or transition into flexible printed copper circuits (FPC) with polyimide stiffeners, compatible with zero-insertion-force (ZIF) surface-mount connectors.
How do you guarantee IP65 or IP67 waterproof integrity in coastal environments?
To prevent ingress from coastal moisture and high-pressure washdowns, we engineer a continuous adhesive perimeter gasket around all active keys and display apertures using 3M 200MP or 300LSE transfer adhesives. Additionally, the flex tail exit incorporates an internal air-channel labyrinth breather or blind seal that equalizes atmospheric pressure without admitting liquid moisture or particulate contamination.