An Introduction to Probe Needles

November 10, 2017

It’s remarkable how many different variations of semiconductor probing stations and probing capabilities are available today, but many new engineers and operators have common questions that go unanswered when they are searching for a product.


probe tips
Probe needles are an integral part of semiconductor probing stations, and there are a variety of  different probe needles available in today’s industry.

So….what are probe needles?  Probe needles, also known as probe tips or needle probes, are provided in a variety of materials, lengths, shapes and tip radius. They are typically inserted into a single probe arm mounted to a manipulator. Probe needles directly contact the device under test.

Regardless of what your application requirements are, the right type of probe tip is out there. Below is a list of some of the most commonly asked for probe tip capabilities:

Probe Needles
  • Low resistance
  • Low current
  • High Power
  • High Frequency
  • Durability
  • High temperature
  • Low temperature
  • Many more!

SemiProbe provides a large selection of probe tips. Our probe tips are made out of four different types of materials:

  • Tungsten
  • Gold Plated Tungsten
  • Tungsten Carbide
  • Beryllium Copper

Most are sold in a box of 20 and are made from a straight solid tungsten 20 mil wire tapered to a desired radius.  The overall length of the probe tip is approximately 37 mm (1.5”). Tungsten is often used because it is durable.

If you like this blog, join our email list or contact us for more information!

 Request a Discovery Call


New Call-to-action

Topics: Accessories, Educational Topics

Author: Doug Merrill

Doug Merrill, CEO, joined Semiprobe in 2016 and brings 25 years of operations, quality, and financial experience to the team. He has degrees in Engineering Physics and an MBA from Cornell University. He began his career with 14 years at General Electric, graduating from the Manufacturing Management Program and rising through the ranks of GE Energy. He has worked in executive roles for Husky Injection Molding and Dynapower Company, and sits on the board of directors of Orbit/FR, a microwave test equipment firm. Doug lives in Shelburne, Vermont with his wife and two sons. When not in the office, he can often be found sailing on nearby Lake Champlain.
Find me on:
Semiconductor Wafer Testing Discovery Call

Subscribe to our email list.

SemiProbe Capabilities & Applications Guide for Wafer Characterization & Testing