00191297-02.pdf - 第285页

User Manual S-23 HM 6 Vision functions Software Vers ion SR.405.xx 05/99 Iss ue 6.6 Test Component 283 Windows 6 – Separat ely for each lead Here you def ine the win dow in the prim ary di rection (dark blu e) and sec on…

6 Vision functions User Manual S-23 HM

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

282

6.6.4.19 ‘Lead’ measuring mode

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

menu. 6

Fig. 6.6 - 40 Measuring mode option, Lead measuring mode menu

This menu is used to 6

– specify the lead measuring method.

– to select the windows separately for each lead or a combined window for every lead to be mea-

sured.

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

283

Windows 6

–

Separately for each lead

Here you define the window in the primary direction (dark blue) and secondary direction (light

blue) for measuring each standard lead for irregular components and special components.

–

Combined window

Used to define a common window for all the leads. This applies to four-sided, symmetrical

components only.

6.6.4.20 ‘Grid’ measuring mode

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

menu. 6

Fig. 6.6 - 41 Measuring mode option, Grid measuring mode menu

In this menu, enter the number of balls to be measured at each corner: 6

– ’3’ for single measurement

– 5 for multiple measurement

6 Vision functions User Manual S-23 HM

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

284

PLEASE NOTE:

Measurement mode Grid can be speeded up, if measurement mode Size is carried out before-

hand. 6

6.6.4.21 ’Ball’ measuring mode

Click on the ’Settings’ button in ’Ball’ measuring mode to call up the ’Ball measuring mode’ menu.6

Fig. 6.6 - 42 ’Measuring mode’ option, ’Ball meas. mode’ menu

This menu can be used to 6

– select the measuring methods listed under ’Measurement’ and

– evaluate the position and presence of balls and carry out a quality analysis.