UNIVERSAL CONCEPT FOR FABRICATING ARBITRARY SHAPED μIPMC TRANSDUCERS AND ITS APPLICATION ON...
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- Slide 1
- UNIVERSAL CONCEPT FOR FABRICATING ARBITRARY SHAPED IPMC
TRANSDUCERS AND ITS APPLICATION ON DEVELOPING ACCURATELY CONTROLLED
SURGICAL DEVICES Reporter: sang-chung yang( ) Advisor: Prof. C.H.
Liu MEMS2007 Page:32 Gou-Hua Feng and Ri-Hong Chen Department of
Mechanical Engineering, National Chung Cheng University
- Slide 2
- Sang-chung MSCL Introduction Working principle Fabrication
Testing Results Conclusions Outline
- Slide 3
- Sang-chung MSCL Introduction Ref: JiannJiann-Liang Chen MD, PhD
Ref: Gou-Hua Feng 10cm 0.5~1cm
- Slide 4
- Sang-chung MSCL tttt Nafion IPMC Ref: Yung Yuen CO Ref: Gou-Hua
Feng Introduction IPMC:Ionic polymer metal composites
- Slide 5
- Sang-chung MSCL Working principle Working principle of an IPMC
transducer: (Left) No voltage is applied. (Right) Voltage isapplied
to cause IPMC bending. Ref: Byungkyu Kim et al,2003 R:reaction
force E:young s modulus I:inertia max:maximum deplacement at tip
L:length of IPMC V=0 V=5
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- Sang-chung MSCL Fabrication IPMC fabrication method 1 IPMC
fabrication method 1 Process flow diagrams for fabricatingIPMC
transducers with MEMS parallel processing spirit.
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- Sang-chung MSCL IPMC fabrication method 2 IPMC fabrication
method 2 Fabrication process flow diagram for the production of
IPMC transducers Its different compare to method1. Ref: Gou-Hua
Feng et al, 2007 Fabrication 2.Apply Wax 1.Substrate 3.Deposit
parylene-c 4.Remove wax 5.Pattern PR 6.Spray Nafion 7.Remove
parylene 8.Deposit Pt 9.Immersion into NaOH 10.After 3 hours
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- Sang-chung MSCL Fabrication Photograph of negative photoresist
JSR-made micromold array on bulk-micromachined SiN diaphragms.
Photograph of diluted Nafion solution sprayed to fill up the
micromolds
- Slide 9
- Sang-chung MSCL (Top) Individual devices of IPMC transducers
with platinum electrodes simultaneously formed on top and bottom
surfaces. (Bottom right) Cross- sectional view of the device with a
clear edge that no short-circuits occur. (Bottom left) A newly
developed device with varied thickness Fabrication
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- Sang-chung MSCL Testing Experimental setup for measuring
displacement of actuated IPMC transducers. Experimental setup for
measuring force output of the device with a high-resolution (0.01
mN) electronic balance.
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- Sang-chung MSCL Relationship between the displacement and
frequency. Results
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- Sang-chung MSCL Results Results of instantaneous maximum output
force vs. applied voltage for 0.5, 1, and 1.5 Hz.
- Slide 13
- Sang-chung MSCL Demonstration of the IPMC transducer gripping a
flexible tube (Left: Front view; Bottom right: side view).
Results
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- Sang-chung MSCL IPMC ? IPMC IPMC Conclusions
- Slide 15
- Sang-chung MSCL Introduction Ref: Ref: Byungkyu Kim et
al,2003