DE864585C - Photo- or secondary emission-sensitive electrodes - Google Patents

Photo- or secondary emission-sensitive electrodes

Info

Publication number
DE864585C
DE864585C DEZ927D DEZ0000927D DE864585C DE 864585 C DE864585 C DE 864585C DE Z927 D DEZ927 D DE Z927D DE Z0000927 D DEZ0000927 D DE Z0000927D DE 864585 C DE864585 C DE 864585C
Authority
DE
Germany
Prior art keywords
photo
secondary emission
alkali metal
sensitive electrodes
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DEZ927D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zeiss Ikon AG filed Critical Zeiss Ikon AG
Priority to DEZ927D priority Critical patent/DE864585C/en
Priority to US151291A priority patent/US2172164A/en
Application granted granted Critical
Publication of DE864585C publication Critical patent/DE864585C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/34—Photo-emissive cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes
    • H01J40/06—Photo-emissive cathodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/931—Components of differing electric conductivity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/938—Vapor deposition or gas diffusion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12583—Component contains compound of adjacent metal
    • Y10T428/1259—Oxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12611—Oxide-containing component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12681—Ga-, In-, Tl- or Group VA metal-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12701—Pb-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12896—Ag-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12903—Cu-base component

Description

Die Erfindung bezieht sich auf eine aus mehreren Schichten zusammengesetzte photo- oder sekundäremissionsempfindliche Elektrode.The invention relates to one composed of several layers photo or secondary emission sensitive electrode.

Es ist bereits bekannt,. Photoschichten in der Weise aufzubauen, wie es die Abb. z zeigt. Gemäß der Abbildung wird auf eine aus Silber bestehende Unterlage nach Oxydation des Silbers, was durch die 02 Schicht veranschaulicht werden soll, ein Alkal'imetall, z. $. Cäsium, aufgedampft und dieses wiederum mit einer dünnen Silberschicht überzogen. Die Vorgänge; die während des Schichtaufbaues und nachträglich zwischen den einzelnen Schichten vor sich gehen, lassen sich ohne weiteres nichtübersehen. Es ist aber wohl anzunehmen, daß die Bestandteile der auf der Silberunterlage angebrachten Schichten einander durchdringen, so daß, wie es die Abb. 2 zeigt, auf dem Unterlagemetall eine Schicht entsteht, die sich aus den atomaren bzw. molekularen Bestandteilen Ag (-), Cs (-@-) und Cs20 (o) zusammensetzt.It is already known. Build up photo layers in the way that it shows fig. z. As shown in the illustration, it is placed on a base made of silver after oxidation of the silver, which should be illustrated by the 02 layer, an alkali metal, e.g. $. Cesium, evaporated and this in turn with a thin Silver layer coated. The operations; those during the layer build-up and afterwards going on between the individual layers cannot easily be overlooked. It can be assumed, however, that the components of the attached to the silver base Layers penetrate each other so that, as Fig. 2 shows, on the base metal a layer is created, which is made up of the atomic or molecular components Ag (-), Cs (- @ -) and Cs20 (o).

Gegenstand der Erfindung ist eine photo- oder sekundäremissionsempfindliche Elektrode, bei der auf einer Unterlage aus gut leitendem Metall (Ag,-Cu), nach dessen Oxydation ein Alkalimetall aufgedampft ist, die dadurch gekennzeichnet ist, daß das Alkalimetall mit einer 5lünnen Schicht eines Metalls (Bi, Sb, Pb) überzogen ist, dessen Leitfähigkeit geringer ist als die des Alkalimetalls. Durch die Erfindung wird eine photo- bzw. sekundäremissionsempfindliche Elektrode- von großer Empfindlichkeit geschaffen, die sich im wesentlichen in .der Erhöhung der Empfindlichkeit im kurzwelligen (ultravioletten) Spektralgebiet äußert.The invention relates to a photo- or secondary emission-sensitive Electrode, with which on a base made of highly conductive metal (Ag, -Cu), after its Oxidation an alkali metal is evaporated, which is characterized in that the alkali metal coated with a thin layer of a metal (Bi, Sb, Pb) whose conductivity is lower than that of the alkali metal. Through the invention becomes a photo- or secondary emission-sensitive electrode - of great sensitivity created, which is essentially in. The increase in sensitivity in the short-wave (ultraviolet) spectral region expresses.

Ein Beispiel für den erfindungsgemäßen Schichtaufbau einer photo- oder sekundäremissionsempfindliehen Schicht ist in Abb. 3 und q. dargestellt. Die Abb.3 zeigt die einzelnen Schichten bzw. VerfahrensschritteAg als Unterlagemetall, 02 zur Veranschaulichung des Oxydationsvorganges, Cs als aufgedampftes Alkalimetall, Bi als dünne Oberflächenschicht. In der Abb. q. sind die Durchdrinsungen der einzelnen Schichtbestandteile und die mutmaßlich neuen Bindungen Bi (d), Cs20 (o) und Cs (-j-) veranschaulicht.An example of the layer structure according to the invention of a photo or secondary emission-sensitive layer is shown in Fig. 3 and q. shown. the Fig. 3 shows the individual layers or process steps Ag as base metal, 02 to illustrate the oxidation process, Cs as vapor-deposited alkali metal, Bi as a thin surface layer. In Fig. Q. are the penetrations of each Layer components and the presumably new bonds Bi (d), Cs20 (o) and Cs (-j-) illustrated.

Claims (1)

PATENTANSPRUCH: Photo- oder sekundäremissionsempfindliche Elektroden, bei denen auf einer Unterlage aus gut leitendem Metall (Ag, Cu) nach dessen Oxydation ein Alkalimetall aufgedampft ist, dadurch gekennzeichnet, daß das Alkalimetall mit einer dünnen Schicht eines Metalls (Bi, Sb, Pb) überzogen ist, dessen Leitfähigkeit geringer ist als die des Alkalimetalls.PATENT CLAIM: Photo- or secondary emission-sensitive electrodes, those on a base made of a highly conductive metal (Ag, Cu) after its oxidation an alkali metal is vapor-deposited, characterized in that the alkali metal with a thin layer of a metal (Bi, Sb, Pb) is coated, whose conductivity is less than that of the alkali metal.
DEZ927D 1936-07-04 1936-07-05 Photo- or secondary emission-sensitive electrodes Expired DE864585C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEZ927D DE864585C (en) 1936-07-04 1936-07-05 Photo- or secondary emission-sensitive electrodes
US151291A US2172164A (en) 1936-07-04 1937-06-30 Photoelectric cathode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2172164X 1936-07-04
DEZ927D DE864585C (en) 1936-07-04 1936-07-05 Photo- or secondary emission-sensitive electrodes

Publications (1)

Publication Number Publication Date
DE864585C true DE864585C (en) 1953-01-26

Family

ID=26003295

Family Applications (1)

Application Number Title Priority Date Filing Date
DEZ927D Expired DE864585C (en) 1936-07-04 1936-07-05 Photo- or secondary emission-sensitive electrodes

Country Status (2)

Country Link
US (1) US2172164A (en)
DE (1) DE864585C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234873B (en) * 1952-12-13 1967-02-23 Zeiss Ikon Ag Method of manufacturing a photocathode

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439647A (en) * 1945-07-21 1948-04-13 Philco Corp Photoelectric tube and method of manufacturing same
JPS6347928A (en) * 1986-08-18 1988-02-29 Fujitsu Ltd Mask for photoelectron image transfer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234873B (en) * 1952-12-13 1967-02-23 Zeiss Ikon Ag Method of manufacturing a photocathode

Also Published As

Publication number Publication date
US2172164A (en) 1939-09-05

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