EP1559148A2 - ORGANISCHES ELEKTRONISCHES BAUTEIL MIT HOCHAUFGELöSTER STRUKTURIERUNG UND HERSTELLUNGSVERFAHREN DAZU - Google Patents
ORGANISCHES ELEKTRONISCHES BAUTEIL MIT HOCHAUFGELöSTER STRUKTURIERUNG UND HERSTELLUNGSVERFAHREN DAZUInfo
- Publication number
- EP1559148A2 EP1559148A2 EP03785493A EP03785493A EP1559148A2 EP 1559148 A2 EP1559148 A2 EP 1559148A2 EP 03785493 A EP03785493 A EP 03785493A EP 03785493 A EP03785493 A EP 03785493A EP 1559148 A2 EP1559148 A2 EP 1559148A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- electronic component
- electrode
- depression
- organic electronic
- conductor track
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 239000011368 organic material Substances 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims 1
- 230000005669 field effect Effects 0.000 abstract description 2
- 238000007373 indentation Methods 0.000 description 3
- 238000004049 embossing Methods 0.000 description 2
- 229920001002 functional polymer Polymers 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/60—Forming conductive regions or layers, e.g. electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/60—Forming conductive regions or layers, e.g. electrodes
- H10K71/611—Forming conductive regions or layers, e.g. electrodes using printing deposition, e.g. ink jet printing
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
- H10K85/113—Heteroaromatic compounds comprising sulfur or selene, e.g. polythiophene
- H10K85/1135—Polyethylene dioxythiophene [PEDOT]; Derivatives thereof
Definitions
- the invention relates to an organic electronic component with high-resolution structuring, in particular an organic field-effect transistor (OFET) with a small source-drain spacing, and a production method therefor.
- OFET organic field-effect transistor
- Organic electronic components are known, in particular OFETs with high-resolution structuring and a small source-drain distance “1 *, but these are produced in complex process steps which are associated with high costs. These process steps are uneconomical and regularly include photolithography, with depressions being produced photolithographically in a lower layer or in the substrate so that a conductor track with the required capacitance can be formed. These depressions are trough-shaped and have no sharp contours. The bottom of these depressions remains unchanged.
- a conductor track and / or an electrode needs a certain mass to have a low resistance, which in one
- the known mass-production-capable and fast processes for producing organic electronic components use the technique of applying the conductor track on the lower layer, generally on the substrate, whereby the problem arises that these “overlying” conductor tracks are either so thick that they cause defects in the subsequent insulator layer (s) or as wide, that much of the total area of the integrated circuit is used for this.
- DE 10061297.0 discloses a high-resolution printing method which can be used on an industrial scale and in which the conductor tracks are sunk, but this has the disadvantage that the depressions which are produced by pressing on an embossing stamp do not have steep wall surfaces and sharply drawn edges, but are more trough-shaped and are designed without sharp contours. As a result of these soft transitions, the material introduced into the depression does not only fill the depression accurately, but blurs around the depression and thus leads to leakage currents. As a result, the smeared material cannot be wiped off without wiping most of the material out of the recess.
- the object of the invention is to provide an organic electronic component that is inexpensive to produce on an industrial scale, in particular an OFET with a high-resolution structure and a small source-drain distance.
- the object and object of the invention is to achieve an organic electronic component with a distance 1 between two conductor tracks, electrodes and / or between a conductor track and an electrode of less than 10 ⁇ m, which has a substantially flat surface, i.e. the conductor track (s) and / or electrode (s) are raised less than 300 nm above the surface of a lower layer or the substrate.
- the invention also relates to an organic electronic component with a distance 1 between two conductor tracks, electrodes and / or between a conductor track and an electrode of less than 10 ⁇ m, in which at least one conductor track and / or one electrode is arranged in a depression in a lower layer , wherein the recess by means of a
- the invention relates to a method for producing an organic electronic component in which at least one depression is burned into a lower layer or the substrate by means of a laser and mask in order to produce a conductor track and / or an electrode, this depression comprising steep walls, sharp contours and has a rough surface on the floor and is filled with conductive, predominantly organic material in a subsequent process step.
- excess conductive organic material is wiped off in a process step following the filling of the depressions with this material, without any appreciable amount of conductive material being removed from the recess.
- the recesses can be filled using various techniques: it can be sprayed, knife-coated, injected, coated, printed or filled in in another manner according to the invention.
- the depressions are burned into the lower layer and / or the substrate with a pulsed laser, for example with pulse lengths of a few 10 ns. A few pulses can be sufficient to produce depressions in the range of 0.5 to 3 ⁇ m.
- the depressions created by laser structuring are characterized by the fact that the walls are very steep, in extreme cases directly vertical.
- the evaporation causes a very rough surface at the bottom of the depressions, which has the consequence that the filled organic conductor adheres very well there and, by removing the superfluous conductive material, is not drawn out to any appreciable extent between the depressions and / or is removed.
- FIG. 1 shows an example of a schematic representation of a process sequence for producing a conductor track and / or an electrode.
- the substrate 1 is drawn between several rollers, for example in a roll-to-roll process.
- the pressure and / or guide rollers 2, which support the smooth running of the belt, can be seen from left to right.
- a laser 3 for example an excimer laser, is used to produce 4 depressions 5 in the substrate through a mask.
- the excimer laser 3 is optionally equipped with optical lens systems 3a, 3b, so that the depressions 5 are not necessarily imaged in the same size as the mask 4 specifies. Since the laser pulse e.g. lasts only a few 10ns, the tape 1 has moved only insignificantly in time.
- the depressions 5 formed in this way, as described above, have sharp edges, steep walls and a rough bottom surface on which the organic conductors adhere particularly well.
- organic material or “functional material” or ⁇ X (functional) polymer "includes all types of organic African, organometallic and / or organic-inorganic plastics (hybrids), especially those that are referred to in English as "plastics". These are all types of substances with the exception of the semiconductors that form the classic diodes (germanium, silicon) and the typical metallic conductors. A limitation in the dogmatic sense to organic material as carbon-containing material is therefore not provided, rather the broad use of, for example, silicones is also contemplated. Furthermore, the term should not be subject to any restriction with regard to the molecular size, in particular to polymeric and / or oligomeric materials, but it is also entirely possible to use "small molecules”. The word component "polymer” in the functional polymer is historically determined and therefore contains no information about the presence of an actually polymeric compound.
- the invention presents for the first time a method with which an organic electronic component such as an OFET can be produced economically with high switching speed and high reliability. It has been shown that depressions that are burned in with a laser hold the filling with conductive organic material differently than the conventional depressions and that organic conductors can therefore be produced faster and better with this method than with other methods.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10251475 | 2002-11-05 | ||
DE10251475 | 2002-11-05 | ||
PCT/DE2003/003667 WO2004042837A2 (de) | 2002-11-05 | 2003-11-05 | Organisches elektronisches bauteil mit hochaufgelöster strukturierung und herstellungsverfahren dazu |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1559148A2 true EP1559148A2 (de) | 2005-08-03 |
Family
ID=32308476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03785493A Withdrawn EP1559148A2 (de) | 2002-11-05 | 2003-11-05 | ORGANISCHES ELEKTRONISCHES BAUTEIL MIT HOCHAUFGELöSTER STRUKTURIERUNG UND HERSTELLUNGSVERFAHREN DAZU |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060118778A1 (de) |
EP (1) | EP1559148A2 (de) |
JP (1) | JP2006505927A (de) |
CN (1) | CN1726604A (de) |
WO (1) | WO2004042837A2 (de) |
Families Citing this family (14)
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JP2004506985A (ja) | 2000-08-18 | 2004-03-04 | シーメンス アクチエンゲゼルシヤフト | 封入された有機電子構成素子、その製造方法および使用 |
WO2004017439A2 (de) | 2002-07-29 | 2004-02-26 | Siemens Aktiengesellschaft | Elektronisches bauteil mit vorwiegend organischen funktionsmaterialien und herstellungsverfahren dazu |
DE10339036A1 (de) * | 2003-08-25 | 2005-03-31 | Siemens Ag | Organisches elektronisches Bauteil mit hochaufgelöster Strukturierung und Herstellungsverfahren dazu |
DE10340643B4 (de) | 2003-09-03 | 2009-04-16 | Polyic Gmbh & Co. Kg | Druckverfahren zur Herstellung einer Doppelschicht für Polymerelektronik-Schaltungen, sowie dadurch hergestelltes elektronisches Bauelement mit Doppelschicht |
DE102004040831A1 (de) | 2004-08-23 | 2006-03-09 | Polyic Gmbh & Co. Kg | Funketikettfähige Umverpackung |
DE102004059465A1 (de) | 2004-12-10 | 2006-06-14 | Polyic Gmbh & Co. Kg | Erkennungssystem |
DE102004059464A1 (de) | 2004-12-10 | 2006-06-29 | Polyic Gmbh & Co. Kg | Elektronikbauteil mit Modulator |
DE102004063435A1 (de) | 2004-12-23 | 2006-07-27 | Polyic Gmbh & Co. Kg | Organischer Gleichrichter |
DE102005009819A1 (de) | 2005-03-01 | 2006-09-07 | Polyic Gmbh & Co. Kg | Elektronikbaugruppe |
DE102005017655B4 (de) | 2005-04-15 | 2008-12-11 | Polyic Gmbh & Co. Kg | Mehrschichtiger Verbundkörper mit elektronischer Funktion |
DE102005031448A1 (de) | 2005-07-04 | 2007-01-11 | Polyic Gmbh & Co. Kg | Aktivierbare optische Schicht |
DE102005035589A1 (de) | 2005-07-29 | 2007-02-01 | Polyic Gmbh & Co. Kg | Verfahren zur Herstellung eines elektronischen Bauelements |
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- 2003-11-05 EP EP03785493A patent/EP1559148A2/de not_active Withdrawn
- 2003-11-05 JP JP2004549084A patent/JP2006505927A/ja active Pending
- 2003-11-05 CN CNA2003801059676A patent/CN1726604A/zh active Pending
- 2003-11-05 WO PCT/DE2003/003667 patent/WO2004042837A2/de active Application Filing
- 2003-11-05 US US10/533,756 patent/US20060118778A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
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See references of WO2004042837A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2004042837A2 (de) | 2004-05-21 |
WO2004042837A3 (de) | 2004-10-07 |
US20060118778A1 (en) | 2006-06-08 |
CN1726604A (zh) | 2006-01-25 |
JP2006505927A (ja) | 2006-02-16 |
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