The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 1985
Filed:
Dec. 29, 1982
Lyuji Ozawa, Glencoe, IL (US);
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
Insulating crystals are coated on a metal mesh of a storage tube and give rise to a hysteresis effect with respect to the passage of flood electrons through the metal mesh, the hysteresis effect being caused by the persistent polarization of the insulating crystals when an electric field has been applied and the depolarization of the crystals due to the irradiation of an electron beam having an energy which is large enough to penetrate through the negative field produced by the persistent polarization. The clean surface of the insulating crystals, which contains recombination centers of electrons and holes and the deep traps of electrons and holes, is an essential feature of the insulating crystals and are necessary for the hysteresis effect with respect to the passage of the flood electrons through the metal mesh.