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Inspection Procedure
4.2
IC Inspection Example
9.
Press the A key in the CHAR. VERIF. menu to perform a test,
and confirm that the result is OK.
If the result is not OK, change the process conditions
(Condition menu item) and judgment conditions and continue
to test until the result is OK. If you select Result, Correlation,
Sub. Det. Qty., and Sub. Det. Area will be displayed, so
refer to these for your settings.
Step 2
Perform an inspection
Once you have registered a character image for use as a reference, you can perform
the character inspection.
1.
Return to the main menu and press the A (Start) key to
perform an inspection on a new target object.
4.2.2
Inspection of No. of Leads, Pitch and Width
(Lead Inspection checker)
Use a Lead Inspection checker to inspect the number of leads on an IC or connector.
Counting the number of leads and measuring the width and pitch of the leads allows
you to check for bent leads etc.
Refer to 10 Lead Inspection Checker for a detailed explanation about each item.
Inspect using the Lead
Inspection Checker
(see p. 10 − 3 for details)
− In this example we will inspect the leads on the topside of the package.
− The leads to be inspected are the white portions shown in the diagram.
Step 1
Set the conditions for an acceptable product
With the Lead Inspection checker, inspection is performed based on the settings in
Judgment Conditions. First, perform an inspection on a good article, and then set the
judgment conditions based on the results of this.
1.
Select an article that has no missing or bent leads and
capture it on the camera.
4 − 6
OCR Type A230
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