Semiconductor Retrograde Well Profile Calculator

Extract actual retrograde-well peak depths, tied peaks and independently identified surface-reference contrast; no assumed Gaussian/implant energy model.

Description

A retrograde-well profile can be summarized by measured peak concentration, its depth ties, and contrast with a supplied reference depth.

A retrograde-well profile can be summarized by measured peak concentration, its depth ties, and contrast with a supplied reference depth.1

That reference must already represent the intended surface.

When to use Semiconductor Retrograde Well Profile Calculator

Use this tool when you need to reproduce the stated calculation from measured records or independently selected model inputs. Prepare measured device or specimen records under independently matched branch, temperature, frame, and unit conventions.

How to use Semiconductor Retrograde Well Profile Calculator and understand its results

  1. Prepare measured device or specimen records under independently matched branch, temperature, frame, and unit conventions.
  2. Enter observedWellDepthsM, observedWellConcentrationsPerM3, callerSurfaceDepthIndex, following the field table and rules below, then run the tool.
  3. Read observedRetrogradePeakDepthsM, observedPeakConcentrationPerM3, observedPeakAboveSurfaceFactor. Use the output meanings below to interpret units, signs, flags, and any nested result fields.
  4. Correct reported input issues and run again. For a successful result, check the stated evidence coverage and assumptions before using it in your review.
Input fieldMeaningValue typeRequirement
observedWellDepthsMObserved well depths mlist of numberRequired
observedWellConcentrationsPerM3Observed well concentrations per m3list of numberRequired
callerSurfaceDepthIndexCaller surface depth indexnumberRequired

Use nonempty strictly increasing nonnegative depth coordinates in metres with aligned positive concentrations per cubic metre. Supply a valid integer surface index. Return every tied maximum depth, maximum concentration, and peak divided by reference concentration. The code checks the index but does not verify its surface interpretation.

peak=max(concentration); aboveSurfaceFactor=peak/concentration[surfaceIndex]

Symbols follow the input and output meanings and the calculation rules above.

Output fieldMeaningValue type
observedRetrogradePeakDepthsMObserved retrograde peak depths mlist of number
observedPeakConcentrationPerM3Observed peak concentration per m3number
observedPeakAboveSurfaceFactorObserved peak above surface factornumber
json
{
  "input": {
    "observedWellDepthsM": [
      0,
      1,
      2
    ],
    "observedWellConcentrationsPerM3": [
      1,
      5,
      2
    ],
    "callerSurfaceDepthIndex": 0
  },
  "output": {
    "observedRetrogradePeakDepthsM": [
      1
    ],
    "observedPeakConcentrationPerM3": 5,
    "observedPeakAboveSurfaceFactor": 5
  }
}

Limitations and assumptions

Matched measurement branch, material state, calibration, and conventions must be independently established. Results do not certify device performance or operating conditions.

Missing required fields, unknown fields, wrong types, and violated calculation rules are input issues. Numeric values must be finite; nonfinite results are rejected. Evidence arrays must be dense, with no missing cells. Numeric observation lists allow at most 10,000 entries, subject to any smaller bounds stated above.

Alternative or Complementary methods

For a related review, use Semiconductor Sheet Resistance Implant Dose Calculator: An implanted sheet dose gives sheet conductance only after activation and mobility are established. This model uses integrated areal dose rather than a uniform volume density and film thickness. For a complementary step, use Semiconductor Sti Corner Parasitic Transistor Threshold Calculator: An STI-corner threshold can differ from a matched planar-transistor threshold. A signed difference distinguishes a lower corner threshold from a higher one before a caller drop criterion is applied.

References

  1. Semiconductor Retrograde Well Profile Calculator — tool.io

Similar or alternative tools

Don't forget to set a bookmark for tool.io!
Privacy | Imprint | Cookies