Quality assurance

News and Updates

NIST, Collaborators Develop Sensitive New Way of Detecting Transistor Defects

October 7, 2021

Researchers at the National Institute of Standards and Technology (NIST) and collaborators have devised and tested a new, highly sensitive method of detecting

A Smart Use for Doping: Implanted Atoms Create Unique Electrical IDs That Distinguish Bona Fide Devices From Forgeries

September 16, 2021

If someone sells you a luxury handbag from Paris, France, but it turns out be a forgery from Paris, Texas, the counterfeit item might cost you a thousand bucks

As Good as it Gets: NIST Develops Its Fourth Generation Wire Micrometer that Rivals Best in the World

March 11, 2021

Researchers at the National Institute of Standards and Technology (NIST) have developed a dramatically improved laser-based instrument that measures the

Projects and Programs

NIST Tools for Cannabis Laboratory Quality Assurance

Ongoing

NIST is developing an integrated measurement services program for forensic and Cannabis (hemp and marijuana) laboratories to help ensure the quality of routine

Audit of EPA Protocol Gas Suppliers

Ongoing

EPA Protocol gas mixture calibration standards are obtained by users to measure emissions of regulated gaseous species to ensure that they comply with US

Material Qualification

Ongoing

The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While most

Metrology for Multi-Physics AM Model Validation

Ongoing

Multi-physics models are necessary to simulate, study, and optimize metal additive manufacturing (AM) processes, such as powder bed fusion (PBF) and directed

Publications

Measurement of sample stage error motions in cone-beam X-ray computed tomography instruments by minimization of reprojection errors

January 19, 2022

Author(s)

Massimiliano Ferrucci, Wim Dewulf, Alkan Donmez

Reconstruction algorithms in X-ray computed tomography assume a particular geometrical alignment of the instrument components. Misalignments in the actual

Certification of Standard Reference Material® 17g: Sucrose Optical Rotation

January 12, 2022

Author(s)

Michael Nelson, Jerome Mulloor, Brian Lang, Masaaki Ishikawa, Yoshiro Kondo, Blaza Toman

Improving end-user trust in the quality of commercial probiotic products

September 24, 2021

Author(s)

Scott Jackson, Jean Schoeni, Buffy Stahl

In a rapidly growing global probiotic market, end-users have difficulty distinguishing between high quality and poor quality products. This threatens consumer

Recurrence Network Analysis of Design-quality Interactions in Additive Manufacturing

April 12, 2021

Author(s)

Yan Lu, Ruimin Chen, Hui Yang

Powder bed fusion (PBF) additive manufacturing (AM) provides a greater level of flexibility in the design-driven build of metal products. However, the more