Patent EP0268370A2 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0268370A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Switching device

Assignee: Canon Inc
•
Filing: 1987-10-13
•
Granted: —
•
Expires: 2007-10-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A switching device is characterized by having a periodical layer structure of an organic insulator between a oair of electrodes and having memorizability with respect to switching characteristics. The layer structure is formed of an amphiphilic compound according to the LB method.

Inventors

  • 👤 Ken Eguchi
  • 👤 Kunihiro Sakai
  • 👤 Haruki Kawada
  • 👤 Hiroshi Matsuda
  • 👤 Yuko Morikawa
  • 👤 Takashi Nakagiri
  • 👤 Takashi Hamamoto
  • 👤 Masaki Kuribayashi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 19:25
CPC Classifications
B; B82; B82Y; B82Y10/00; G; G11; G11C; G11C13/00; G11C13/0002; G11C13/0009; G11C13/0014; G11C13/0016; G11C13/0019; H; H10; H10K; H10K10/00; H10K10/40; H10K10/46; H10K10/50; H10K10/701; H10K85/00; H10K85/10; H10K85/111; H10K85/113; H10K85/30; H10K85/311; H10K85/60; H10K85/611; H10K85/615; H10K85/622; H10K85/649; H10K85/652; H10K85/657; H10K85/6572; H10K85/701; H10K10/10; H10K2102/00; H10K2102/10; H10K2102/101; H10K2102/103; H10K85/141; H10K85/331; H10K85/351

Claims Analysis

Total Claims: 61
Claim 1
Independent Claim 27 words
A switching device, characterized by having a periodical layer structure of an organic insulator between a pair of electrodes and having memorizability with respect to switching characteristic.
Claim 2
Dependent Claim 27 words
A switching device, characterized by having a periodical layer structure of an organic insulator between a pair of electrodes and having memorizability with respect to switching characteristic.
Claim 3
Dependent Claim 25 words
A switching device according to Claim 1, wherein said organic insulator has a group having 7T electron level and a group having a electron level.
Claim 4
Dependent Claim 17 words
A switching device according to Claim 1, wherein said periodical layer structure is fomed of LB films.
Claim 5
Dependent Claim 50 words
A switching device according to Claim 2, wherein said organic insulator having a group having 7 r electron level and a group having a electron level is selected from dyes having a porphyrin skeleton azulene dyes, cyanine dyes, compounds having fused polycyclic aromatic rings or heterocyclic rings and diacetylene compounds.
Claim 6
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 7
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 8
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 9
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 10
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 11
Dependent Claim 27 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein Ri represents an alkyl group.
Claim 12
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 13
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 14
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 15
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 16
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 17
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 18
Dependent Claim 27 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R, represents an alkyl group.
Claim 19
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 20
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 21
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 22
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 23
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 24
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 25
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 26
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 27
Dependent Claim 28 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 represents an alkyl group.
Claim 28
Dependent Claim 65 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R 1 , R 2 , R 3 and R 4 are independently H, -OC 5 H 11 , -OC(CH 3 ) 3 or -CH 2 NHC 3 H 7 and M is H 2 ,Cu, Ni, Al-Cl or rare earth metal ion.
Claim 29
Dependent Claim 49 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R is -OCH (COOH) CnH 2n+1 (5 ≦ H ≦ 25) and M is H 2 , Cu, Ni, Zn, Al-Cl or a rare earth metal ion.
Claim 30
Dependent Claim 47 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R is CnH 2n+1 (5 ≦ n 5 25) and M is H 2 , Cu, Ni, Zn, Al-Cl or a rare earth metal ion.
Claim 31
Dependent Claim 29 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R is C 4 -C 12 alkyl.
Claim 32
Dependent Claim 21 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula:
Claim 33
Dependent Claim 21 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula:
Claim 34
Dependent Claim 21 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula:
Claim 35
Dependent Claim 60 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: CH 3 (̵CH 2 )̵ n C≡C-C≡C(̵CH2)̵ m X wherein X is-COOH, -OH or -CONH 2 and n is 0 or more and m is 20 or less, provided that the formula (n + m > 10) is satisfied.
Claim 36
Dependent Claim 21 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula:
Claim 37
Dependent Claim 21 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula:
Claim 38
Dependent Claim 34 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R is CONHC 18 H 37 or OCOC 17 H 35 .
Claim 39
Dependent Claim 21 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula:
Claim 40
Dependent Claim 21 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula:
Claim 41
Dependent Claim 29 words
A switching device according to Claim 1, wherein said organic insulator comprises a compound having a skeleton represented by the formula: wherein R is C 1s H 37 .
Claim 42
Dependent Claim 58 words
A switching device, comprising a periodical layer structure of an organic insulator between a pair of electrodes, said layer being a mixed monomolecular film or a mixed monomolecular built-up film of an amphiphilic compound having a hydrocarbon chain or a polymeric compound having a hydrophobic site and a hydrophilic site and a molecule having π electron conjugated system.
Claim 43
Dependent Claim 58 words
A switching device, comprising a periodical layer structure of an organic insulator between a pair of electrodes, said layer being a mixed monomolecular film or a mixed monomolecular built-up film of an amphiphilic compound having a hydrocarbon chain or a polymeric compound having a hydrophobic site and a hydrophilic site and a molecule having π electron conjugated system.
Claim 44
Dependent Claim 28 words
A switching device according to Claim 41, wherein in the amphiphilic compound having a hydrocarbon chain, a part or all of the hydrocarbon skeleton have a unsaturated bond.
Claim 45
Dependent Claim 42 words
A switching device according to Claim 41, wherein said molecule having π electron conjugated system is a dye having porphyrin skeleton, an azylene dye, a cyanine dye, a melocyanine dye or a molecule having at least one aromatic ring or heterocyclic ring.
Claim 46
Dependent Claim 42 words
A switching device according to Claim 41, wherein for said mixed molecular film or mixed monomolecular built-up film, the mixed molar ratio of the amphiphilic compound having hydrocarbon chain and the molecule having π electron conjugated system is from 1:100 to 100:1
Claim 47
Dependent Claim 40 words
A switching device, comprising a pair of electrodes and a periodical layer structure of an insulating or semiconductive organic material between said pair of electrodes, and means for applying electrical signals for controlling the switching characteristics of said switching device.
Claim 48
Dependent Claim 40 words
A switching device, comprising a pair of electrodes and a periodical layer structure of an insulating or semiconductive organic material between said pair of electrodes, and means for applying electrical signals for controlling the switching characteristics of said switching device.
Claim 49
Dependent Claim 14 words
A. switching device according to Claim 45, wherein said switching device has memorizing characteristic.
Claim 50
Dependent Claim 27 words
A switching device according to Claim 45, wherein said organic material a group having π electron level and a group having a electron level in the molecule.
Claim 51
Dependent Claim 50 words
A switching device according to Claim 45, wherein the layer having said organic material is a layer comprising a mixture of an amphiphilic compound having a hydrocarbon chain or a polymeric compound having a hydrophobic site and a hydrophilic site in combination and a molecule having ir electron conjugated system.
Claim 52
Dependent Claim 33 words
A switching device according to Claim 45, wherein said switching device has a MIM structure, and also said means for applying electrical signals is connected to a resistance element or a capacitance element.
Claim 53
Dependent Claim 28 words
A switching device according to Claim 49, wherein said switching device with MIM structure and the resistance element or the capacitance element are formed on the same substrate.
Claim 54
Dependent Claim 28 words
A switching device according to Claim 50, wherein said organic material layer with MIM structure and said resistance element or capacitance element are formed at the same time.
Claim 55
Dependent Claim 23 words
A switching device according to Claim 50, wherein said organic layer and said resistance element or capacitance layer are formed in separate layers.
Claim 56
Dependent Claim 21 words
A switching device according to Claim 45, wherein said periodical layer structure is a layer structure formed of an LB film.
Claim 57
Dependent Claim 16 words
A switching device according to Claim 53, wherein said LB film is formed of built-up films.
Claim 58
Dependent Claim 19 words
A switching device according to Claim 54, wherein the built-up number of the built-up films is 2 to 60.
Claim 59
Dependent Claim 24 words
A switching device according to Claim 49, wherein said resistance element or capacitance element has an organic material layer formed of a LB film.
Claim 60
Dependent Claim 16 words
A switching device according to Claim 56, wherein said LB film is formed of built-up films.
Claim 61
Dependent Claim 19 words
A switching device according to Claim 57, wherein the built-up number of the built-up films is 2 to 60.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag