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IST Touch Screen

The Interactive Surface Technology (IST) technology is an evolution of 3M’s projected capacitive touch technology (NFI). Its unique design is based on the fact that the interactive touch surface is constructed of a flexible, polyester layer that can be laminated to the front of any surface, laminated to the back of any surface, or applied to a contoured surface. The substrate for lamination can be plexiglass, polycarbonate, plastic, glass, laminated glass or any other non-conductive surface. In addition, MicroTouch IST can support “on display” use with LCD panels or “off display” use creating touch pad or button interface designs not using a display.

This new technology platform addresses the needs of traditional touch application segments such as retail, point-of-sale, kiosks, and industrial. It also expands the possibilities of touch for new emerging applications, such as outdoor environments, mobile and handheld devices, and on- and off-display implementation for use in automobiles. In addition, the flexible foundation of this technology – the polyester touch layer – allows off-display, button-like implementations under leather, vinyl, cloth, or molded plastics.

Contributions to the product:

Conceptualization and ResearchSoftware Development Process
New coordinate interpolation algorithm
Math support enhancements for fast touch processing
Overall firmware development process
Internal coding standards
Development tools selection
Version control system
Bug tracking system
Written Specifications and ProceduresEmbedded Software Architecture and Design
Hardware requirements and system I/O mapping
Functional specification
Simulation/emulation environment specification
New communication protocol transition
Simulation/emulation design
Overall firmware architecture
Firmware design documents
Code DevelopmentTesting & Debugging
Board start-up and boot-loader
Device drivers
Non-volatile memory management
Real-time framework
Communication protocol stack
Command interpreter
Firmware debug support
Exception/error handler
Performance analysis tools
PC testing software platform
Diagnostic tools for R&D
Touch controller functional tester
Technical leadershipIntellectual Property
Training and mentorship for the firmware team
Design authority and knowledge sharing