Unitek 6-099-04, Operation And Maintenance Manual

Page: 69 / 88

CHAPTER 1: SYSTEM DESCRIPTION
MICROPULL
®
IV WIRE BOND PULL TESTER
990-180 A-3
Table A-1. Beam Specification
Full Scale
Model
g-f N
Range (gf)
Maximum
Deflection (in.)
B10 10 0.1 0.5 – 12.00 0.24
B100 100 1 1 – 120.0 0.24
B1000 1000 10 40 – 1,200 0.24
Model B100R is a manually rotatable hook version of B100
Table A-2. Hook Specifications
NOTE:
Many specifications require that the hook diameter be approximately 2.5 times that
of the wire being tested.
Model Weight
(g)
Diameter
(in.)
Maximum
Pull (g-f)
Dimension A*
(in.)
Dimension B*
(in.)
Used On
BH3 0.1 0.003 20 0.007 2 B10, B100
BH5 0.1 0.005 30 0.011 2 B10, B100
BH8 0.1 0.005 125 0.015 2 B10, B100
BH12 0.1 0.012 300 0.025 ¾ B1000
BH20 0.1 0.020 850 0.040 ¾ B1000
BH30 0.1 0.030 2000 0.050 ¾ B1000
BH3R 0.1 0.003 20 0.007 2 B100R
BH5R 0.1 0.005 50 0.011 2 B100R
BH8R 0.1 0.008 125 0.015 2 B100R
* See figure A-1
Figure A-1. 1000g Beam
Hook and Calibration
System
B
A
98 g
Shaft
for all
Largest
BH30
(Dimension
shown in
table 1-4)
Combined
holder and
1000 gram
total