IEC 60758:2016 PDF

Name: IEC 60758:2016 — Synthetic quartz crystal - Specifications and guidelines for use
SKU: IEC 60758:2016
Price: 35 EUR
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Synthetic quartz crystal - Specifications and guidelines for use

Название (английский):

IEC 60758:2016

Synthetic quartz crystal - Specifications and guidelines for use

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 60
Дата публикации:: 18 мая 2016 г.
Издание:: IEC IS 60758 edition 5 version 1
ICS:: 31.140

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Описание (английский):

IEC 60758:2016 applies to synthetic quartz single crystals intended for manufacturing piezoelectric elements for frequency control, selection and optical applications. This edition includes the following significant technical changes with respect to the previous edition: - order rearrangement and review of terms and definitions; - abolition as a standard of the infrared absorbance coefficient α3410; - addition of the value measurement explanation by FT-IR equipment in annex; - addition of the synthetic quartz crystal standards for optical applications.

Abstract

Похожие стандарты

Другие стандарты IEC

Overview

IEC 60758:2016 - Synthetic quartz crystal - Specifications and guidelines for use - defines requirements, test methods and usage guidance for synthetic quartz single crystals used to manufacture piezoelectric elements (frequency control and selection) and optical components. This fifth edition reorganizes terms and definitions, removes the infrared absorbance coefficient α3410 as a standalone metric, adds FT‑IR measurement guidance, and extends coverage to synthetic quartz for optical applications.

Key technical topics and requirements

Scope and definitions: Orientation, handedness and crystal axis/face designation for as‑grown and lumbered quartz.

Dimensional and geometric requirements: Standard shapes, seed orientation, tolerances, reference surface flatness and angular tolerances for lumbered bars.

Material quality and grading:

Inclusion density and striae grading for piezoelectric and optical uses.
Infrared quality indications and α‑value grading (measurements noted near ~3500 cm‑1 and ~3585 cm‑1).
Etch channel density classification and internal transmittance for optical parts.

Measurement and test methods:

Visual inspection, schlieren (optical) evaluation, infrared absorbance methods.
Annex E: FT‑IR sample preparation, equipment set‑up and compensation procedures.
Annex G: consistency between dispersive IR and Fourier‑Transform IR (FT‑IR) measurements.

Performance parameters: Frequency–temperature characteristics for piezoelectric elements and guidance on evaluating Q and α relationships.

Quality assurance and delivery: Marking, packing, inspection lot rules, sampling procedures and batch/lot acceptance criteria.

Informative annexes: Sampling examples, numerical examples, measurement tools (point calipers) and differences in axis conventions (IEC vs IEEE).

Practical applications and users

IEC 60758:2016 is essential for:

Quartz crystal manufacturers: to specify production tolerances, grading and testing protocols for both piezoelectric and optical crystals.

Component designers and OEMs: for sourcing materials for oscillators, filters, resonators, optical windows, lenses and photonics components requiring stringent optical/transmission properties.

Quality, metrology and test laboratories: to implement consistent IR/FT‑IR measurement procedures, schlieren inspection and sampling plans.

Procurement and compliance teams: to write purchase specifications, acceptance criteria and supplier audits.

Related standards and notes

Annex F discusses differences between IEC and IEEE orthogonal axial systems - useful when aligning specifications across industry standards.

For accurate IR measurement and traceability, follow guidance in Annex E (FT‑IR) and Annex G (measurement consistency).

Keywords: IEC 60758:2016, synthetic quartz crystal, piezoelectric, optical applications, FT‑IR, infrared absorbance, schlieren, etch channel density, frequency‑temperature.

IEC 60758:2016 PDF

Abstract

Похожие стандарты

Overview

Key technical topics and requirements

Practical applications and users

Related standards and notes

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