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1. WO2007148034 - POST ASSEMBLY AUTOMATIC ADJUSTMENT OF SAW BASED PRESSURE SENSOR PRELOAD

Publication Number WO/2007/148034
Publication Date 27.12.2007
International Application No. PCT/GB2007/001142
International Filing Date 28.03.2007
IPC
G01L 9/08 2006.01
GPHYSICS
01MEASURING; TESTING
LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
9Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
08by making use of piezo-electric devices
G01L 27/00 2006.01
GPHYSICS
01MEASURING; TESTING
LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
27Testing or calibrating of apparatus for measuring fluid pressure
CPC
G01L 1/165
GPHYSICS
01MEASURING; TESTING
LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
1Measuring force or stress, in general
16using properties of piezo-electric devices
162using piezo-electric resonators
165with acoustic surface waves
G01L 27/002
GPHYSICS
01MEASURING; TESTING
LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
27Testing or calibrating of apparatus for measuring fluid pressure
002Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
G01L 9/0025
GPHYSICS
01MEASURING; TESTING
LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
9Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements
0001Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
0008using vibrations
0022of a piezoelectric element
0025with acoustic surface waves
Y10T 29/4913
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
29Metal working
49Method of mechanical manufacture
49002Electrical device making
49117Conductor or circuit manufacturing
49124On flat or curved insulated base, e.g., printed circuit, etc.
4913Assembling to base an electrical component, e.g., capacitor, etc.
Applicants
  • TRANSENSE TECHNOLOGIES PLC [GB]/[GB] (AllExceptUS)
  • VICKERY, Paul, Edward [GB]/[GB] (UsOnly)
  • NOWELL, Aidrian [GB]/[GB] (UsOnly)
Inventors
  • VICKERY, Paul, Edward
  • NOWELL, Aidrian
Agents
  • HEDGES, Martin, Nicholas
Priority Data
0612520.723.06.2006GB
0613060.330.06.2006GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) POST ASSEMBLY AUTOMATIC ADJUSTMENT OF SAW BASED PRESSURE SENSOR PRELOAD
(FR) AJUSTEMENT AUTOMATIQUE APRÈS ASSEMBLAGE DE LA CHARGE INITIALE D'UN CAPTEUR DE PRESSION À ONDE ACOUSTIQUE DE SURFACE
Abstract
(EN)
Method of adjusting the preload of a surface acoustic wave (SAW) based pressure sensor package by producing marks, involving small zones of plastic deformation, on the outside of the lid of the sealed package.
(FR)
Procédé d'ajustement de la charge initiale d'un ensemble capteur de pression à onde acoustique de surface (SAW) par production de repères, impliquant de petites zones de déformation de plastique sur l'extérieur du couvercle de l'ensemble fermé.
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