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BSI 24/30492753 DC 2024

BSI 24/30492753 DC 2024

$13.70

BS EN IEC 63541. Lithium tantalate and lithium niobate crystal for surface acoustic wave (SAW) device applications. Specifications and measuring method

Published By Publication Date Number of Pages
BSI 2024 23
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PDF Catalog

PDF Pages PDF Title
6 FOREWORD
8 1 Scope
2 Normative references
3 Terms and definitions
10 4 Requirements
4.1 Material specification
4.1.1 LN
4.1.2 LT
4.2 Requirements for as-grown crystal
4.2.1 Specifications
4.2.2 Macroscopic quality
4.2.3 Single domain
4.2.4 Curie temperature and tolerance
11 4.2.5 Lattice constant
4.3 Requirements for lumbered crystal
4.3.1 As-grown crystal for lumbered crystal
4.3.2 Specifications of lumbered crystal
5 Sampling and inspection
5.1 General
12 5.2 Sampling and inspection plan
5.3 Determination of Inspection results
6 Measurement
6.1 Measurement for as-grown crystal
6.1.1 Crystal orientation
6.1.2 Diameter and cylinder length
6.1.3 Macroscopic quality
6.1.4 Single domain
13 6.1.5 Curie temperature
6.1.6 Lattice constant
6.2 Measurement for lumbered crystal
6.2.1 Cut and tolerance of surface orientation
6.2.2 Diameter
6.2.3 Orientation tolerance of orientation flat
6.2.4 Width of orientation flat
6.2.5 Effective length
6.2.6 Cylindricity
6.2.7 Verticality
7 Identification, labelling, packaging, delivery condition
7.1 Packaging
7.2 Labelling and identification
7.3 Terms of delivery
14 Annex A
(normative)
Measurement of single domain for LT and LN crystals
A.1 General
A.2 Measurement principle
A.3 Measurement
A.3.1 Scattered light path method
A.3.2 Etching method
16 A.3.3 Electromotive voltage method
18 Annex B
(normative)
Measurement of Curie temperature
B.1 General
B.2 DTA method
B.3 Dielectric constant method
20 Annex C
(normative)
Measurement of lattice constant (Bond method)
22 Annex D
(normative)
Measurement of cylindricity of LT and LN crystals
D.1 General
D.2 Measurement
23 Annex E
(normative)
Measurement of verticality for LT and LN crystals
E.1 General
E.2 Measurement
E.2.1 Equipment
E.2.2 Measuring procedure

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BSI 24/30492753 DC 2024
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