| Area |  | Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection / Materials for Surface Acoustic Wave (SAW) devices | |
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| IEV ref | | 561-07-20 | |
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en | | orientation flat
OF
primary flat | |
| | flat portion of wafer perimeter indicating the crystal orientation 
Figure 25 – Wafer indication and measurement points for the thickness variation for five points Note 1 to entry: Generally, the orientation flat corresponds to the SAW propagation direction. | |
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fr | | plan d’orientation, m
PO (abréviation) m
plan principal, m | |
| | partie plane du périmètre de la plaquette indiquant l’orientation du cristal 
Figure 25 – Indication de la plaquette et points de mesure de variation de l’épaisseur pour cinq points Note 1 à l’article: En règle générale, le plan d’orientation correspond au sens de propagation OAS. | |
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|
ar | | مسطح التوجه
المسطح الرئيسى | |
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de | | Orientierungsfläche, f
Primärfläche, f
OF | |
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es | | orientación plana | |
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it | | piano di orientamento
OF | |
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ko | | 방향 평면 | |
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ja | | オリエンテーションフラット | |
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pl | | płaszczyzna orientacji , f
płaszczyzna pierwotna, f | |
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pt | | plano de orientação | |
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zh | | 基准面, <声表面波器件用晶体的>
主基准面
OF | |