Inventor

Aime Perrin

Inventor
Saint Ismier, FR

Overview

14→
Patents
1988–2005
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Jprimary
H01JElectric discharge tubes or discharge lamps47%
C23CCoating metallic material16%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein16%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
H01QAntennas, i.e. radio aerials5%
H05HPlasma technique5%
PatentTitleYear
6,917,147'Cathode structure with emissive layer formed on a resistive layer'20056,815,902'Field emission flat screen with modulating electrode'20046,534,913'Electron source with microtips, with focusing grid and high microtip density, and flat screen using same'20036,509,061'Apparatus for depositing a material by evaporation on large surface substrates'20036,276,981'Method for obtaining self-aligned openings, in particular for microtip flat display focusing electrode'20016,210,246'Method for making an electron source with microtips, with self-aligned focusing grid'20015,989,090'Method of manufacturing spacers for flat viewing screens'19995,981,304'Self-alignment process usable in microelectronics, and application to creating a focusing grid for micropoint flat screens'19995,818,173'Cylindrical antenna having means for generating a magnetic field in a vicinity of the antenna'19985,288,328'Apparatus for controlling a material flow emitted by a heated evaporation source and application to a vacuum evaporation coating machine'19945,138,473'Ferroelectric liquid crystal screen with localized zigzag defects and opacified electrodes in the non-switchable area of the screen and processes for obtaining spacers and treating said screen'19925,074,246'Device to cover a flat surface with a layer of uniform thickness'19914,813,770'Cell with a double liquid crystal layer using the electrically controlled birefringence effect and process for producing a uniaxial medium with negative optical anisotropy usable in said cell'19894,782,337'Matrix display device comprising two groups of row electrodes and two column electrodes for image element and its control process'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2005Patents assigned to COMMISSARIAT ENERGIE ATOMIQUE (13)· patent assignee history
1988–2005Based in Saint Ismier, FR· patent location history
1994–1998Patents assigned to FRANCE ETAT (2)· patent assignee history
2003Patents assigned to COMMISSARIAT A L ENERGE ATOMIQ (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COMMISSARIAT ENERGIE ATOMIQUE131988–2005
FRANCE ETAT21994–1998
COMMISSARIAT A L ENERGE ATOMIQ12003
Locations
LocationPatentsSpan
Saint Ismier, FR141988–2005