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Normas BSI – AENOR
PD IEC TS 61994-4-1:2018 - TC

PD IEC TS 61994-4-1:2018 - TC

Tracked Changes. Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection. Glossary. Piezoelectric materials. Synthetic quartz crystal

Fecha:
2020-02-27 /Definitive
Comité:
EPL/49
Resumen:
IEC TS 61994-4-1:2018 is available as IEC TS 61994-4-1:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61994-4-1:2018 gives the terms and definition for synthetic quartz crystals representing the state of the art, which are intended for manufacturing piezoelectric and optical elements. This edition includes the following significant technical changes with respect to the previous edition:
- The new terms and definitions given in IEC 60758:2016 have been taken into account;
- The general title has been changed according to the change in the title of TC 49 in 2009.
Keywords:
Frequency control, Vocabulary, Selection, Piezoelectric materials, Crystal resonators, Piezoelectric crystals, Piezoelectric devices, Electronic equipment and components, Terminology, Dielectric devices, Quartz
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