3M™MicroTouch™ System DST2270DX Integration Guide
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3M Touch Systems, Inc. Proprietary Information – TSD-25739
Before You Begin
Before you begin the installation, please review the following design considerations. An
overview of the entire installation process will help to ensure a successful installation.
•
Perform a bench test of all hardware to ensure functionality before you start.
•
When installing the sensor, be careful not to route the sensor flex tail and power
wires near the backlight inverter or power supply of the LCD.
•
Ensure that nothing contacts the sensor – it should be mechanically decoupled by the
recommended foams.
•
Before installing the sensor, be sure to account for the space needed by the sensor
and its flex tail.
•
The bezel may need to be modified to accommodate the sealing gasket and sensor.
When trimming the bezel, make sure that the mechanical integrity of the display is
not compromised.
•
The sensor flex tail is designed to be flexible, and it may be creased once in a single
direction, in multiple locations along the tail. It should then be secured in place with
a light adhesive tape. Avoid angular creases (45°) to the flex tail directly in the area
of the tail bond and tape strain relief.
•
If it is necessary to remove the sensor from the display after it has been attached, do
not pry it off. Carefully follow the instructions given.
CAUTION
To reduce the risk of glass breakage which may result in minor or moderate
injury:
Do not try to pry the sensor off the LCD if you need to remove the sensor for
servicing. You may break the glass and injure yourself or others.
•
Be sure to follow the solvent manufacturer's precautions and directions for use when
using any solvents. Follow the manufacturer’s directions for suitable chemicals for
your display.
•
When reassembling the sensor and bezel, be sure not to tighten any one corner more
than the other corners. Pressure should be evenly distributed across the sensor.
Mechanical Considerations
Flex Tail Routing
To minimize the risk of electromagnetic interference, never run the sensor flex tail near
or over the display backlight inverter or power supply. The noise generated by an
inverter covers a broad spectrum and can contain frequencies close to the signal
frequency.
The sensor flex tail is not a handle. Never pick your sensor up by the flex tail. It is an
electrical connection and is not designed for high stress.