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User Manual S-23 HM 6 Vision functions Software Vers ion SR.405.xx 05/99 Iss ue 6.6 Test Component 279 Use package form edges 6 – for rotation windows The package fo rm edges can be used to opt imally p osition the rotat…

6 Vision functions User Manual S-23 HM

6.6 Test Component Software Version SR.405.xx 05/99 Issue

278

6.6.4.17 ’Row’ Measuring mode

Click on the ‘Setting’ field in the Row measuring mode menu to call up the following menu: 6

Fig. 6.6 - 37 Measuring mode option, Row measuring mode menu

This menu is used to 6

– specify the lead measuring method.

– use the package form edges for the rotation windows and/or translation windows.

Measurement 6

If the inner lead tips are mapped better than the outer tips, for example, if a shiny lead is bent up-

wards slightly, you can select one of the following options: 6

– measuring the tips via the inner tips of the leads, for bases, for example

– center of the lead, center measurement, for PLCC, SOJ, for example

– measuring the tips via the outer tips of the leads, for QFP, SOT, SO, for example

User Manual S-23 HM 6 Vision functions

Software Version SR.405.xx 05/99 Issue 6.6 Test Component

279

Use package form edges 6

–

for rotation windows

The package form edges can be used to optimally position the rotation windows. However, to

do this, the package form edge must be visible and it must not contain a row of leads (eg white

plugs).

–

for translation windows

The package form edges can be used to optimally position the translation windows. However,

to do this, the package form edge must be visible and it must not contain a row of leads.

PLEASE NOTE:

Do not use measurement mode Row together with measurement mode Size. 6

Integration settings 6

Once you have clicked on the ‘Integration settings’ field, the Row measuring mode integration

settings menu will appear on screen. 6

Fig. 6.6 - 38 Measuring mode option, Row measuring mode integration settings menu

6 Vision functions User Manual S-23 HM

6.6 Test Component Software Version SR.405.xx 05/99 Issue

280

Measuring times can be reduced by lowering the resolution in the measuring or integration direc-

tion. However, you must ensure that the structure to be analyzed has a sufficient number of pixels.

Otherwise, the measuring quality will be compromised. We recommend to choose a very high or

high resolution. 6

6.6.4.18 ‘Corner’ measuring mode

Click on the ‘Setting’ field in the ‘Corner’ measuring mode to call up the Corner measuring mode

menu. 6

Fig. 6.6 - 39 Measuring mode option, Corner measuring mode menu

This menu is used to 6

– specify the lead measuring method.

– select the number of leads to be measured at each corner.

– switch the angle measurement on or off.