30 um carbon wire
DESCRIPTION
Actual PS Wire fixation. Copper tube . 30 um Carbon wire. Ceramic isolator. Soldering. Electrical cable. Fork Arm. 24.02.2014. Wire Vibration Measurement Current Status. 30 um carbon wire. Fork arm. BCM strain gauge SB4-350-3.8-P-3. Electrical cable. Soldered - PowerPoint PPT PresentationTRANSCRIPT
30 um Carbon wireCeramic isolator
Fork Arm
Electricalcable
Copper tube
Soldering
Actual PS Wire fixation
24.02.2014
30 um carbon wire
Fork arm
BCM strain gaugeSB4-350-3.8-P-3 Electrical
cableSolderedjunction wire-cable
Wire Vibration Measurement Current Status
24.02.2014
Silicon strain gauge pictures
dimensions:
length = 5 mmwidth = 0.30 mmthickness = 0.05 mm
24.02.2014
Silicon Protecting glue Metallization Bonded wire
Silicon strain gauge – Bonding detail
TOP VIEW
SIDE VIEW
Silicon
Protecting glue
Metallization
Bonded wire
24.02.2014
Ceramic isolators Ø 1.2
Action to bemeasured bythe strain gauge
Arm
Carbon Wire
Sleeve in copper
Soldering
Strain gaugesStrain gauges support Alumina 100 to 200 um
5
5
~ SCALE 10:1
Metallization+ bazing
Carbon wire sensor based in semiconductor strain gauges DRAFT PROPOSAL
24.02.2014
Other options
Use stud bumping instead of brazing
Use full silicon piece properly shaped to have a suitable gauge factor
Produce a kind of metal foil strain gauge using a ceramic instead of plastic substrate
Ceramic
Metal deposition
?
24.02.2014