1. MicroTouch Capacitive
TouchSense® System
Tactile Touch for Gaming and Entertainment
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2. 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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3. How Tactile Touch Works
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4. 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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5. Tactile Touch Components
Purchase kits only, cannot purchase items separately. All kits start with 98-xxxx-xxxx-xx
Kits include (3 components)
modified CTII Touch Screen containing mechanical strain relief (clip) and part numbers end in -99
Controller, EXII-9710UC or EXII-9720SC
# of actuators (31358) depending on size of Touch Screen.
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6. 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
MP transfer adhesive - $34.36/roll
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7. 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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8. 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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9. Tactile Touch Applications
Casino Slot Machines
On-screen Game Buttons
Mechanical Button Replacement
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10. 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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11. MCT Software Software Developer’s Kit Diagnostic Tool 34470 - Windows
Linux
Diagnostic Tool
Software Diagnostic Utility
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12. Tactile System Integration
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13. 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 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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14. Tactile System Integration - Actuators
Actuators are designed for 300 to 400 grams per actuator (non-sealed 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 VDC to all actuators at same time, tighten screws
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15. Tactile System Integration – Actuator Mounting
Side Mounting
Rear Mounting
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16. 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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17. 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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18. Gasket Stack Up Always mount Delrin parallel to movement of Actuators.
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
3M 4926 VHB mounting tape
Bisco BF-1000 foam tape dust seal
Delrin low friction gasket for the carrier to slide on
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19. 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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20. Effect Selector – 50 effects stored in controller
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21. SDU Testing MT7.12 driver or greater
SDU - Select “Tools” on tool bar, then “Haptic” on drop down
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22. SDU Testing Enter Effect #, example 0 Press “Play Effect”
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