Global Patent Index - EP 3183811 A1

EP 3183811 A1 20170628 - MICRO-ACOUSTIC COMPONENT HAVING IMPROVED TEMPERATURE COMPENSATION

Title (en)

MICRO-ACOUSTIC COMPONENT HAVING IMPROVED TEMPERATURE COMPENSATION

Title (de)

MIKROAKUSTISCHES BAUELEMENT MIT VERBESSERTER TEMPERATURKOMPENSATION

Title (fr)

COMPOSANT MICRO-ACOUSTIQUE À COMPENSATION DE TEMPÉRATURE AMÉLIORÉE

Publication

EP 3183811 A1 20170628 (DE)

Application

EP 15735958 A 20150709

Priority

  • DE 102014111993 A 20140821
  • EP 2015065728 W 20150709

Abstract (en)

[origin: WO2016026612A1] For a component that operates by means of acoustic waves, the invention proposes the compensation of a negative temperature coefficient of the frequency by the provision of a compensation coating on the component, said coating comprising a material based on a chemical compound of at least two elements, the compound having a negative thermal expansion coefficient.

IPC 8 full level

H03H 9/02 (2006.01)

CPC (source: EP US)

H03H 9/02102 (2013.01 - EP US); H03H 9/02834 (2013.01 - EP US); H03H 9/14544 (2013.01 - US); H03H 9/462 (2013.01 - US)

Citation (search report)

See references of WO 2016026612A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

DE 102014111993 A1 20160225; DE 102014111993 B4 20171221; CN 106716826 A 20170524; CN 106716826 B 20200929; EP 3183811 A1 20170628; JP 2017523645 A 20170817; JP 6517841 B2 20190522; US 10224897 B2 20190305; US 2017194932 A1 20170706; WO 2016026612 A1 20160225

DOCDB simple family (application)

DE 102014111993 A 20140821; CN 201580050878 A 20150709; EP 15735958 A 20150709; EP 2015065728 W 20150709; JP 2016570834 A 20150709; US 201515314790 A 20150709