3M Touch Systems
MicroTouch Capacitive
TouchSense System
®
Tactile Touch for Gaming and Entertainment
© 3M 2008. All Rights Reserved.
3M Touch Systems
What is Tactile Touch?
Tactile Touch, created by the MicroTouch™
Capacitive TouchSense® System, makes virtual
on-screen buttons feel real.
It supplies tactile feedback in response to a user’s
touch, creating a more intuitive, engaging and
natural experience for the player.
With this system, a variety of touch-initiated tactile
effects can be synchronized with audio and visual
prompts, supplying game developers with a new
set of interactive tools for greater creativity.
MicroTouch is a trademark of the 3M Company.
TouchSense is a registered trademark of Immersion Corp.
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3M Touch Systems
How Tactile Touch Works
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3M Touch Systems
How Tactile Touch Works
 Tactile system utilizes lateral (X or Y) movement of the
touch screen when touched (Z-Axis not supported)
 Small displacement (<0.020”) with high acceleration
causes skin on finger to stretch
 Integrations are insensitive to finger pressure causing
consistent tactile effects
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3M Touch Systems
Tactile Touch Components
•
•
Purchase kits only, cannot purchase items separately.
All kits start with 98-xxxx-xxxx-xx
Kits include (3 components)
1) modified CTII Touch Screen containing mechanical
strain relief (clip) and part numbers end in -99
2) Controller, EXII-9710UC or EXII-9720SC
3) # of actuators (31358) depending on size of Touch
Screen.
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3M Touch Systems
Sample Gaskets in Stock
 Gaskets – for small quantities, not for production

35016 – 4926 VHB 3/8”wide - $85.16/roll

35020 – Rogers Bisco BF-1000 ¼” wide - $3/strip

35039 – DuPont Delrin ¼” wide - $10.5/strip

35279 - 468MP transfer adhesive - $34.36/roll
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© 3M 2008. All Rights Reserved.
3M Touch Systems
Tactile Touch Components
MicroTouch™ Actuators
2, 4, 6 or 8 actuators (depending on
display size) are mounted to the touch
screen carrier and create predefined
vibration effects based on the game’s
play.
MicroTouch Actuator
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3M Touch Systems
Tactile Touch Components
Touch Sensor Carrier
MicroTouch™ ClearTek™ II touch
sensor and MicroTouch actuators
are mounted to robust metal frame,
which is mounted to the LCD
display.
Touch Sensor
Touch Screen Carrier
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3M Touch Systems
Tactile Touch Applications
Casino Slot Machines
• On-screen Game Buttons
• Mechanical Button
Replacement
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3M Touch Systems
Reference Documentation
 Guides



32384 Integration Guide
34662 USB Controller Reference Guide
34661 Serial Controller Reference Guide
 Specifications




34495 MCT Touch Screen
34264 USB Controller
34263 Serial Controller
34494 Actuator
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3M Touch Systems
MCT Software
 Software Developer’s Kit

34470 - Windows

34471 - Linux
 Diagnostic Tool

34492 - Software Diagnostic Utility
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3M Touch Systems
Tactile System Integration
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3M Touch Systems
Tactile System Integration - Overall
 LCD housing needs to be rigid to be able to transmit actuator forces
 Actuators can be mounted on the sides or rear of LCD
 Qty of actuators per system depend on total weight of touch screen
and carrier/s, each actuator is capable of moving 300-400 grams.
 Carrier/carriers provide the mechanical coupling from actuators to
touch screen. carriers must have sufficient stiffness, thickness &
material composition to transmit actuator forces
 Touch screen is mounted to carrier/carriers which is then mounted to
actuators. Tactile system “floats” above the LCD.
 Seal between touch screen and front bezel


Level of sealing will depend on each individual integration and allowable bezel
foam compression
Bezel foam compression effects tactile output
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3M Touch Systems
Tactile System Integration - Actuators
 Actuators are designed for 300 to 400 grams per actuator (nonsealed system)





Systems with 4 actuators must not exceed 1600 grams
System is comprised of touch screen and carriers
System sealing will apply both a resistance and damping forces and need to be
taken into consideration for acceptable tactile response
Systems with less mass will have stronger tactile effects & visa versa
Controller can accept up to 8 actuators
 Actuators must be aligned/actuated in same direction
 Actuators are wired in parallel from the controller but have no polarity
 Actuators in system must be balanced before completing integration
 Loosen screws that hold carriers to actuators, apply 12-16 VDC to
all actuators at same time, tighten screws
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3M Touch Systems
Tactile System Integration – Actuator Mounting
Side Mounting
Rear Mounting
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3M Touch Systems
Tactile System Integration – LCD/Touchscreen Seal
 Seal between LCD and touch screen is achieved utilizing


Delrin (0.010” thick) slides that are adhered to LCD and are
between LCD and carriers. Delrin slides are parallel to
direction of tactile movement. Delrin is adhered to LCD with
3M 468MP.
Bisco BF1000 (0.125” thick) foam that is adhered to LCD and is
perpendicular to carriers as well as direction of tactile
movement. Adhesive on foam is supplied by manufacturer and
is single sided.
 Adhering foam & Delrin to LCD facilitates easy removal of
touch screen & carrier assembly
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3M Touch Systems
Tactile System Integration - Considerations
 24VDC and ~1.25 amp/actuator (4 actuator system ~= 5
amps)
 Sealing requirements will impact tactile system, need to
plan ahead by evaluating entire system with appropriate
level of sealing


Bisco BF1000 (open cell foam) at 1/8” and ¼” thick have
worked well. Acceptable compression levels should be no more
than 25% of the gasket
Customers will need to determine appropriate sealing for their
application
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3M Touch Systems
Gasket Stack Up
 Always mount Delrin
parallel to movement of
Actuators.
3M 4926 VHB
mounting tape
Bisco BF-1000
foam tape dust seal
 Mount Delrin only to LCD, 1
layer is all that is needed.
 Do not compress the touch
screen down on the LCD.
 Allow smooth movement of
the touch system over the
LCD
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Delrin low friction
gasket for the
carrier to slide on
3M Touch Systems
Tail Considerations
 Tail should run parallel
to the actuator
movement
 Minimize stress on the
tail, add loop
 Do not run tail near
backlight inverter
 Avoid creasing tail near
the connector
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3M Touch Systems
Effect Selector – 50 effects stored in controller
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3M Touch Systems
SDU Testing
 MT7.12 driver or greater
 SDU - Select “Tools” on tool bar, then “Haptic” on drop down
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3M Touch Systems
SDU Testing
 Enter Effect #, example 0
 Press “Play Effect”
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