Upload
yestin
View
41
Download
0
Tags:
Embed Size (px)
DESCRIPTION
Thermal Interface Material Tester. Team Members: Joe Henry Andy Hale Brian Francis Nick Tenorio Industry Sponsor: Tektronix Industry Contact: Chris Coleman Academic Advisor: Gerry Recktenwald. - PowerPoint PPT Presentation
Citation preview
Thermal Interface Material Thermal Interface Material TesterTester
Team Members: Team Members: Joe HenryJoe Henry Andy HaleAndy Hale
Brian Francis Brian Francis Nick TenorioNick Tenorio
Industry Sponsor:Industry Sponsor: Tektronix TektronixIndustry Contact: Industry Contact: Chris ColemanChris Coleman
Academic Advisor: Academic Advisor: Gerry RecktenwaldGerry Recktenwald
IntroductionIntroduction
TIMs!TIMs!– Aid heat transfer for electronic devicesAid heat transfer for electronic devices
ProjectProject– Current standard test method inadequateCurrent standard test method inadequate– Transient testing method is betterTransient testing method is better– Test equipmentTest equipment– Controlled environmentControlled environment
Passive Puck
Active Puck
Surface Finish of 0.4 microns(Taken from ASTM Standard D5470-01)
Aluminum Pucks
Active Puck Chamber
O-Ring Gland
Ultem ManifoldUltem Manifold
• Thermally Isolates active puck
• Guides incoming/outgoing water
• Provides the other half of the seal
Active Puck and Manifold Assembly
Threaded InsertsPlumbing Fittings
PlumbingPlumbing
Hot & Cold TempsHot & Cold Temps
Circulating LoopsCirculating Loops
Solenoid ValvesSolenoid Valves
Introduce electricalIntroduce electrical
PlumbingPlumbing
Hot water @ 80 deg CHot water @ 80 deg C
Cold Water @ 10 deg CCold Water @ 10 deg C
Plumbing
CHILLERWITHPUMP
HEATERWITHPUMP
CLOSED
OPEN
OPEN
CLOSED
OPEN
CLOSED
SUPPLYTO
PUCKRETURN
FROMPUCK
RETURNFROMPUCK
CHILLERWITHPUMP
HEATERWITHPUMP
OPEN
CLOSED
CLOSED
OPEN
CLOSED
OPEN
SUPPLYTO
PUCK RETURNFROMPUCK
RETURNFROMPUCK
Temperature Switching Circulating Loops
StructureStructure
Force Application SystemForce Application System
Puck AlignmentPuck Alignment
Super StructureSuper Structure
Force Application SystemForce Application System
• Spherical End Factor- Satisfies Parallelism
Alignment SystemAlignment System
Guide RodsGuide Rods- Low friction- Low friction- Low heat conduction- Low heat conduction- Pucks are centered- Pucks are centered
Puck AccessPuck Access- Mid Plate Slots- Mid Plate Slots- Various Sizes- Various Sizes- Cam Lever- Cam Lever
Guide Rod
Teflon RailActuating Shaft
Alignment SystemAlignment System
Guide Slots
Cam Lever
Guide Rods
Safety Factor – 2.3Total Deformation – 0.03 in
PneumaticsPneumatics
Pneumatic system functionPneumatic system function– User defined pressureUser defined pressure– Pressure measurementPressure measurement– Pressure held constantPressure held constant
Pressure Regulator
Pneumatic System
User Interface
Pressure Gage
(Pressure Transducer
Behind Panel)
PneumaticsPneumatics
Constant PressureConstant Pressure– Low friction air cylinderLow friction air cylinder– AccumulatorAccumulator
PneumaticsPneumatics
Low Friction Air CylinderLow Friction Air Cylinder– Glass CylinderGlass Cylinder– Graphite PistonGraphite Piston– Grams of frictionGrams of friction
Picture from www.airpot.com
PneumaticsPneumatics
AccumulatorAccumulator– Pressure vesselPressure vessel– Adds volume to systemAdds volume to system– Helps keep pressure constantHelps keep pressure constant
Picture from www.bimba.com
PneumaticsPneumatics
Questions?