Thin-film and printed electronics design

Membrane Switch Design

Tactile-Soft Touch-Capacitive — engineered for repeatability

Portable touch tablet deviceHi-Brite backlit QWERTY capacitive keyboard before bonding to .35 mm chemically annealed Asahi Dragontrail glass
01 — GE microtouch portable tablet
Hi-Brite backlit QWERTY capacitive keyboard before bonding to .35 mm chemically annealed Asahi Dragontrail glass.
Five-wire resistive touch sensor pattern
02 — 5-wire resistive sensor layout
Projected capacitive matrix sensor detailPrinted electronics touch interface detail
03 — PCAP matrix sensor detail
Screen-Printed RFID with overlay being encoded.
Hamilton blue membrane switch control panel with size, volume, speed, and run controlsMicrolab 500 laboratory device
04 — Sealed HMI overlay assembly
Concept prototype for Hamilton MicroLab 500 Series using 29 SMD LED’s, multiple force stainless steel domes.
Touch screen bezel and gasket detailSecuritron DK-26 keypad
05 — Bezel & gasket detail
Assa Abloy DK-26 extreme environment magnetic lock access Wiegand circuit membrane switch.
Printed membrane switch circuit and flexible tailFluke Biomedical SigmaPace 1000 external pacemaker analyzer
06 — Printed flexible circuit detail
Fluke SigmaPace 1000 pacemaker testing device. Screen-Printed resistors w/redundant power failure circuitry