Wire Loop Height Calculator
Estimate the apex height of a symmetric wire bond loop from its bond-to-bond span and loop angle.
Description
Estimate the apex height of a symmetric wire bond loop from its bond-to-bond span and loop angle.
Wire Loop Height Calculator is a focused tool for the following task. Estimate the apex height of a symmetric wire bond loop from its bond-to-bond span and loop angle. It reports Loop height from the values you provide rather than inventing measurements, coefficients, or professional judgment that are not part of the input.
When to use Wire Loop Height
Use this semiconductor calculation for first-order device, material, fabrication, interconnect, packaging, or reliability estimates when every coefficient and unit convention is known.
- Loop angle (deg)
- Required number in deg. Wire rise angle relative to the die surface.
- Wire span (µm)
- Required number in µm. Distance between the two bond points.
The cited overview of Semiconductor device supplies background for the terminology and domain context used by this tool.1
How Wire Loop Height works
Estimate the apex height of a symmetric wire bond loop from its bond-to-bond span and loop angle. Inputs are interpreted exactly in the displayed units and the calculation returns the following fields without presentation rounding.
- Loop height (µm)
- Returned number in µm. Loop apex height above the bond plane.
Limitations and assumptions
- Material composition, geometry, process history, temperature, electric field, bias, interfaces, parasitics, and fitted parameter ranges can invalidate a compact semiconductor model.
- Use finite inputs in the displayed units, preserve source measurements and assumptions, and independently verify consequential decisions.
Alternative or Complementary approaches
Compare the estimate with measured process data, current device documentation, and a higher-fidelity circuit, field, thermal, quantum, or TCAD model when the decision requires it.
References
-
Semiconductor device — Wikipedia contributors
Similar or alternative tools
- Bond Wire Inductance Calculator
Estimate the parasitic inductance of an isolated round bond wire as 0.2·l·(ln(4·l/d)-0.75) nH where l and d are length and diameter in mm. Assumes straight wire in free space and l >> d.
- TSV Capacitance Calculator
Estimate the cylindrical oxide capacitance of a through-silicon via from its radius, oxide thickness, height, and dielectric permittivity.
- BJT Punch-Through Voltage Calculator
Compute the total collector-base junction potential required for the depletion region to span a uniformly doped neutral base: Vtotal=q·NB·WB²/(2·εSi). This is not the externally applied reverse bias; subtract the junction built-in potential to estimate that bias.