wafermapWorking with test valuesContinuous parametric data · testDefs for labels and units
Continuous parametric data stored in die.testValues as a testNumber → value map.
testDefs gives each test a name and unit — the toolbar mode menu, tooltips, and colorbar all update automatically.
Vth has test limits defined (limitLow / limitHigh): in Test Value mode dies outside them keep the gradient fill and are flagged with a ▽/△ triangle marker (in either colorbar range).
Enable Limit pass/fail (via the Overlays menu or the button below) to replace the gradient with categorical pass·fail-low·fail-high colouring — reads passFailDisplay: 'spec'. The button is disabled for tests without limits.
Use the toolbar bracket button to switch the colorbar between the limit window and the full data range.
Continuity is a functional test (testType: 'F') — it has no measured value, only a recorded verdict in die.testPass. Selecting it always renders as Test pass/fail (passFailDisplay: 'test'), forced regardless of the requested display, since a functional test has nothing to show on a gradient.
Test
Mode
Selected test
Name
—
Unit
—
Min
—
Max
—
Mean
—
Median
—
Test limits
Lo limit
—
Hi limit
—
Fail low
—
Fail high
—
Within limits
—
Limit yield
—
Dies outside the limits keep the gradient fill and are flagged with a triangle marker —
▽ below the low limit, △ above the high limit — in both colorbar ranges.
Functional test — pass rate
N
—
Pass
—
Fail
—
Pass rate
—
No measured value — the verdict comes from die.testPass[1080], read via getTestPassStatus. Dies with no recorded verdict are no-data, never counted as a fail.