Measurement Pins - HP 4084B Operation Manual

Model 4085M

Measurement Pins :

The m easurement pins are spring-loaded and press against the contacts of a test
fixture or the contact pads of a personp. l ity board attached to a wafer prober.
Pin Board Fail Indicators :
These indicators light in a sequential pattern during the RELAY ' T EST. If the
test detects a defective pin board, the indicator on the defective board will '
flash off and on, as will the FAIL lamp on the 4084A.
CD
SWITC HI N G MATRIX CONTROLLER Connector:
Thirty-six pin connector for interconnecting the 4084A and 4085A.
Vm PORTS 1 and 2 :
These B N C connectors are the ports for the voltage monitors (Vml and Vm2) of
the 4 l 45A.
Vs PO RTS I and 2:
These B N C connectors are the ports for the voltage sources (VsI and Vs2) of
the 4145A.
lS078A Adapter :
The
I
com patible with the SMUs of the 4 1 45A. SMUs I through 4 of the 4145A
connect directly to the PORT
paragraph 2-8.
To I S078A ADAPTER Connectors :
The upper four triaxial connectors are the ports for the SMUs of the 4145A.
Note, however, that the SMUs cannot be connected directly to these
connectors. The I S 078A
trixial, one coaxial-are not for 4085M applications.
®
OUTPUT E N ABLED Indicator :
This LED lamp lights when the FIXTURE CLOSED D ETECT switch
WAFER PROBER SENSE switch
program m ed connections between the specified m easurement pins and ports are
made.
DO NOT TOUCH THE
HA NDS. OIL, PERSPIRATION,
ELECTRICAL CONTACT
ACCURACY.
S078A converts the 4085A's Kelvin-type ports into a configuration that
CV
Figure 3-4. Panel Features of the 4085A (Sheet 2 of 2)
CAUTION
M EASUREM E N T PI N S
A N D DIRT PREVE N T GOOD
A N D DEGRADE
I
through PORT 4 connectors.
m ust be used. The bottom two connectors-one
CV
is actuated. When this lamp is lit, the
Section , lII
WITH BARE
M EASU REMENT
is
Refer to
CV
or the
3-5