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Area Piezoelectric,dielectric and electrostatic devices and associated materials for frequency control, selection and detection / Piezoelectric and dielectric resonators

IEV ref561-01-11

Symbol
ks

en
coupling factor, <of SAW materials>
DEPRECATED: coupling coefficient, <of SAW materials>
quantity characterizing the electromechanical behaviour as follows:

k S = 2| Δv v | MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiaadUgadaqhaaWcbaGaae4uaaqaaaaakiaayIW7caaMi8UaaGjcVlaayIW7caaMi8Uaeyypa0JaaGjcVlaayIW7caaMi8UaaGjcVlaayIW7caaMi8+aaOaaaeaacaaIYaGaaGjcVlaayIW7daabdaqaaiaayIW7caaMi8UaaGjcVpaalaaabaGaeuiLdqKaamODaaqaaiaadAhaaaGaaGjcVlaayIW7caaMi8oacaGLhWUaayjcSdaaleqaaaaa@5D77@

where Δv/v is the relative change in acoustic wave velocity produced by short-circuiting the surface potential from the open-circuit condition

Note 1 to entry: This entry was numbered 561-06-08 in IEC 60050-561:1991, Amendment 1:1995.


fr
facteur de couplage, <des matériaux OAS> m
DÉCONSEILLÉ: coefficient de couplage, <des matériaux OAS> m
quantité caractérisant le comportement électromécanique comme suit:

k S = 2| Δv v | MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiaadUgadaqhaaWcbaGaae4uaaqaaaaakiaayIW7caaMi8UaaGjcVlaayIW7caaMi8Uaeyypa0JaaGjcVlaayIW7caaMi8UaaGjcVlaayIW7caaMi8+aaOaaaeaacaaIYaGaaGjcVlaayIW7daabdaqaaiaayIW7caaMi8UaaGjcVpaalaaabaGaeuiLdqKaamODaaqaaiaadAhaaaGaaGjcVlaayIW7caaMi8oacaGLhWUaayjcSdaaleqaaaaa@5D77@

où Δv/v est la variation relative de vitesse de l’onde acoustique produite en court-circuitant le potentiel de surface à partir de l’état en circuit ouvert

Note 1 à l'article: Cet article était numéroté 561-06-08 dans l'IEC 60050-561:1991, Amendement 1:1995.


ar
معامل التقارن <لمواد رنان باستخدام الموجة الصوتية السطحية SAW>

de
Kopplungsfaktor, <von OFW-Materialien> m
ABGELEHNT: Kopplungskoeffizient, <von OFW-Materialien> m

es
factor de acoplamiento, <de materiales SAW>

it
coefficiente di accoppiamento, <di materiali SAW>

ko
결합 계수, <에스에이더블유 물질>
결합 인수

ja
電気機械結合係数, <SAWデバイスの>

pl
współczynnik sprzężenia, <materiałów przy akustycznej fali powierzchniowej> m
współczynnik sprzężenia, <materiałów przy SAW> m

pt
fator de acoplamento, <de material OAS>

zh
耦合系数, <声表面波材料的>

Publication date: 2016-07
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