Method for producing conductive structures by means of printing technique, and active components produced therefrom for integrated circuits

• US 20040209191A1
• Filed: 06/01/2004
• Published: 10/21/2004
• Est. Priority Date: 06/01/2001
• Status: Abandoned Application

• Current Assignee: PolyIC GmbH & Co. KG (Leonhard KURZ Stiftung & Company KG)
• Original Assignee: PolyIC GmbH & Co. KG (Leonhard KURZ Stiftung & Company KG)
• Inventors: Bernds, Adolf, Clemens, Wolfgang, Fix, Walter, Knobloch, Alexander Friedrich, Ullmann, Andreas
• Application Number:
  US10/479,238
• Publication Number:
  US 20040209191A1
• Time in Patent Office: Days
• US Class Current: 430/311
• CPC Class Codes: H05K 2201/0329 Intrinsically conductive polymer [ICP]; Semiconductive polymer
• CPC Class Codes: H05K 2203/0113 Female die used for patterning or transferring, e.g. temporary substrate having recessed pattern
• CPC Class Codes: H05K 2203/0534 Offset printing, i.e. transfer of a pattern from a carrier onto the substrate by using an intermediate member
• CPC Class Codes: H05K 2203/1142 Conversion of conductive material into insulating material or into dissolvable compound
• CPC Class Codes: H05K 3/02 in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
• CPC Class Codes: H05K 3/12 using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
• CPC Class Codes: H05K 3/1275 by other printing techniques, e.g. letterpress printing, intaglio printing, lithographic printing, offset printing
• CPC Class Codes: H10K 10/462 Insulated gate field-effect transistors [IGFETs]
• CPC Class Codes: H10K 50/805 Electrodes
• CPC Class Codes: H10K 59/805 Electrodes
• CPC Class Codes: H10K 71/18 using non-liquid printing techniques, e.g. thermal transfer printing from a donor sheet
• CPC Class Codes: H10K 71/60 Forming conductive regions or layers, e.g. electrodes
• CPC Class Codes: H10K 71/611 using printing deposition, e.g. ink jet printing
• CPC Class Codes: H10K 71/621 Providing a shape to conductive layers, e.g. patterning or selective deposition
• CPC Class Codes: H10K 85/1135 Polyethylene dioxythiophene [PEDOT]; Derivatives thereof

Abstract

The invention relates to a method for producing conductive structures. Said method is characterized in that strip conductors or electrodes are directly or indirectly produced in a conductive layer by means of a printing technique. The inventive method is especially suitable for producing electrodes and strip conductors in simple, fast and cost-effective ways.

Claims

1. A method for producing conductive structures, characterized in that strip conductors and/or electrodes can be directly or indirectly produced inside said conductive layer (4) by means of a printing technique.

2. A method in accordance with claim 1, characterized in that strip conductors and/or electrodes can be produced using the offset gravure printing method by applying said reactive printing paste (3).

3. A method in accordance with claim 1 or 2, characterized in that an organic conductive layer is produced and structured by means of the offset gravure printing method.

6. A method in accordance with claim 1 or 2, characterized in that said inorganic conductive layer is produced.

7. A method in accordance with claim 6, characterized in that said conductive inorganic layer from [missing text]

8. A method in accordance with claims 1 through 7, characterized in that said printing process is performed continuously.

9. An organic field-effect transistor, whereby source, drain and/or gate electrodes are formed using a method in accordance with claims 1 through 8.

10. A light-emitting electrode, whereby conductive structures are formed using a method in accordance with claims 1 through 8.

11. An organic (rectifier) diode, whereby conductive structures are formed using a method in accordance with claims 1 through 8.

12. Integrated circuits comprising at least one active component in accordance with one of claims 9 through 11.

4. A method in accordance with claim 4, characterized in that the conductive organic layer is doped polyaniline, in which a non-conducting matrix is produced through printing with an alkaline medium using deprotonation.

5. A method in accordance with claim 4, characterized in that the conductive organic layer is non-doped polyaniline, in which a non-conducting matrix is produced through printing with an acid medium using deprotonation.