Rigoberto Nava-Sandoval
Sergio Padilla-Olvera
David Palomino-Merino
Gerardo A. Ruiz-Botello
José Sánchez-Vizcaíno
Benjamín Valera-Orozco

The Laboratory of Metrology of the Institute for Applied Sciences and Technology is the basic infrastructure in which a team of experts on precision engineering spread accuracy with traceability to industries, teaches metrology, and develops technologies around measures as well.

Since 1987 it has served to industries and R&D laboratories, for linking them with the International System of Units, constituted by CIPM, primary laboratories, and accreditation agencies.

At present, the agency which links it to the System is Perry Johnson Laboratory Accreditation Inc., for more than ten magnitudes, including: length, orthogonality, angle, straightness, flatness, 3D measures, and calibration of coordinate machines.

But industry and R&D centres demand support on many other magnitudes or applications like hipoidal gears, sculptured surfaces, parabolic mirrors, archaeological layers; for those applications and others, the Team has developed particular solutions.

The Precision Engineering team offers curricular courses for undergraduate and graduate students, and special courses for industries configured on demand.

Dr. José Sánchez Vizcaíno
Member of the academic staff
Email: jose.sanchez@
Fig. 1. In 1987 the laboratory got official recognition for spreading accuracy; since 2009 P & J Labs. continued this support.
Fig. 2. The highest accuracy to laboratories is transferred by gauge blocks; here, the transfer process.
Fig. 3. Verifying flatness of optical flats into 50 nanometres, with a Fizeau interferometer.
Fig. 4. Here, an array of interferometer, electronic level, and tilting table, to calibrate a level in tenths of seconds.
Fig. 5. Optical polygons are used to verify accuracy in wide angles; here, an array for absolute calibration of them.
Fig. 6. Ball bar and balls plate, developed in the a accredited Laboratory of Metrology at ICAT to support metrology by coordinates.
Fig. 7. Defining geometric parameters of one hipoidal gear to be measured by a coordinate machine.
Fig. 8. CAD reconstruction of a microwaves mirror from vectors got without contact.