EP1346260A1 - Substrat pour materiau a insoler - Google Patents
Substrat pour materiau a insolerInfo
- Publication number
- EP1346260A1 EP1346260A1 EP01270808A EP01270808A EP1346260A1 EP 1346260 A1 EP1346260 A1 EP 1346260A1 EP 01270808 A EP01270808 A EP 01270808A EP 01270808 A EP01270808 A EP 01270808A EP 1346260 A1 EP1346260 A1 EP 1346260A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate
- layer
- substrate according
- mirror
- exposed
- 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- Withdrawn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
- 239000000758 substrate Substances 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000000018 DNA microarray Methods 0.000 claims abstract description 16
- 238000004377 microelectronic Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 23
- 230000003287 optical effect Effects 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004020 luminiscence type Methods 0.000 claims description 4
- 230000002186 photoactivation Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000005388 borosilicate glass Substances 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 30
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000001659 ion-beam spectroscopy Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 108020004414 DNA Proteins 0.000 description 1
- 108091034117 Oligonucleotide Proteins 0.000 description 1
- 108020005187 Oligonucleotide Probes Proteins 0.000 description 1
- 108091036333 Rapid DNA Proteins 0.000 description 1
- 238000012300 Sequence Analysis Methods 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- -1 borosilicate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010511 deprotection reaction Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002493 microarray Methods 0.000 description 1
- 238000002966 oligonucleotide array Methods 0.000 description 1
- 239000002751 oligonucleotide probe Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000013545 self-assembled monolayer Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00277—Apparatus
- B01J2219/00497—Features relating to the solid phase supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00583—Features relative to the processes being carried out
- B01J2219/00596—Solid-phase processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00583—Features relative to the processes being carried out
- B01J2219/00603—Making arrays on substantially continuous surfaces
- B01J2219/00605—Making arrays on substantially continuous surfaces the compounds being directly bound or immobilised to solid supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00583—Features relative to the processes being carried out
- B01J2219/00603—Making arrays on substantially continuous surfaces
- B01J2219/00605—Making arrays on substantially continuous surfaces the compounds being directly bound or immobilised to solid supports
- B01J2219/00612—Making arrays on substantially continuous surfaces the compounds being directly bound or immobilised to solid supports the surface being inorganic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00709—Type of synthesis
- B01J2219/00711—Light-directed synthesis
Definitions
- the present invention relates to a substrate having a receiving surface for a layer of material to be exposed. It applies in particular to the production of biochips.
- Singh-Gasson et al. published in Nature Biotechnology, Vol. 17, October 1999, discloses a maskless technique using mirrors. The insolation lasts 4 minutes for 20 mW / cm 2 at 365 nm (one filter cuts below 340 nm and another is used for infrared). This corresponds to an intensity of 4.8 J / cm.
- the techniques disclosed by these documents use significant doses of sunshine. These doses are even so important that precautions must be taken with regard to the absorption of the substrate supporting the material to be exposed and as to the heating which results therefrom. Indeed, it can result in a dilation of the substrate. In the case of an increasingly integrated technology, this phenomenon of expansion during sunshine can prove to be an obstacle in the way of integration.
- the exposure doses announced are of the same order of magnitude as those seen above for DNA microarrays: lmW / cm 2 for 20 minutes, or 1.2 J / cm 2 , still around 320-380 nm.
- ZP Yang and A. Chilkoti at the Biosensors 2000 congress, in their presentation "Light activated affinity micropatterning of proteins", cite the immobilization of proteins by photodeprotection or photoactivation, always using the same wavelengths.
- a first object of the invention therefore consists in a substrate having a receiving surface for a layer of material to be exposed by an exposure light, characterized in that mirror means are arranged between said receiving surface and the layer of material to be exposed, these mirror means operating for the wavelength of the sunshine light.
- the means forming a mirror for the wavelength of sunshine are further provided for ensuring the transmission of a light beam for operating devices produced on the substrate. This allows, when the mirror means cannot be removed after the exposure operation, to obtain a total or partial (controlled) transmission function at the wavelength at which the component finally produced is then used.
- the mirror means may have a refractive index greater than the refractive index of the substrate and may have a thickness chosen to transmit all or part of the luminescence signal which is thus amplified. .
- the mirror means comprise one or more optical layers. They can comprise several optical layers constituting a stack of the Bragg structure type.
- each optical layer of the stack can have an optical thickness (that is to say the product of the refractive index of a layer by its mechanical thickness) equal to a quarter of the wavelength sunshine light.
- the thickness of each optical layer of the stack can be calculated so that the mirror means reflect at least 95% of the insolation light and transmit most of an operating light beam, approximately 8% of this light beam operating being thought through.
- the stack can consist of alternating layers of Hf0 2 and Si0 2 . It can be terminated, on the side opposite the substrate, with a layer of Si0 2 .
- the mirror means can be made from one or more materials chosen from Ti0 2 , Hf0 2 , Ta0 5 , Si0 2 , SiC, amorphous Si, YF 3 , MgF 2 and LiF.
- the substrate may consist of a support made of silicon, borosilicate, polymer (s), borosilicate glass or not, or silica supporting the mirror-forming means.
- a second object of the invention consists of a microelectronic device produced on such a substrate.
- a third object of the invention consists of a microtechnological device produced on such a substrate.
- a fourth object of the invention consists of a biochip produced on such a substrate.
- a fifth object of the invention consists of a method for producing a microelectronic or microtechnological device or a biochip from a substrate, the method comprising the formation of a layer of material to be exposed on a receiving surface. of the substrate, the method comprising also, after the insolation of said layer, subsequent steps for producing the microelectronic or microtechnological device or the biochip, characterized in that, before the formation of the layer of material to be insolated, the method comprises formation at the level of said receiving surface of mirror means which operate for the wavelength of the exposure light of the layer to be exposed.
- the layer to be exposed can be a photosensitive resin or a layer comprising photosensitive molecules involved in the photodeprotection or photoactivation procedures of the treatment or use of a biochip.
- the method can comprise, after the exposure of said layer of material, a step consisting in eliminating all or part of the mirror-forming means.
- mirror-forming means can be carried out during the subsequent stages of production of the microelectronic or microtechnological device or of the biochip.
- the mirror means can be formed by depositing superimposed layers on a support, the free face of the superimposed layers constituting the receiving surface of the substrate.
- microtechnological device devices produced using microtechnologies: micro-accelerator, micro-sensor of pressure or other physical parameters, microguide, optical microdevice. These devices can be made on the substrate before or after the deposition of the insulating layer.
- microtechnological device is meant devices produced using microtechnologies: micro-accelerator, micro-sensor of pressure or other physical parameters, microguide, optical microdevice. These devices can be made on the substrate before or after the deposition of the insulating layer.
- the document FR-A-2 700 003 describes the manufacture of a pressure sensor using silicon on insulator technology and the document FR-A-2 700 012 discloses an integrated accelerometer.
- FIG. 2 is a diagram representing the reflection at normal incidence as a function of the wavelength of an incident light beam for a first substrate according to the invention
- FIG. 3 is a diagram representing the reflection in normal incidence as a function of the wavelength of an incident light beam for a second substrate according to the invention.
- FIG. 1 represents a substrate 1 according to the invention.
- the substrate 1 consists of a support 2 supporting on one of its main faces, called the receiving face 4, a mirror 3.
- the support 2 is for example made of silica, borosilicate, plastic or glass. Its refractive index is between 1.4 and 1.6.
- the mirror 3 is a stack of dielectric layers of the Bragg structure type based on the couple Hf0 2 / Si0 2 , the layers being stacked and alternated.
- Hf0 2 is an oxide with a high refractive index (noted H) in the visible range and silica Si0 2 has a low refractive index (noted B).
- optical thickness is understood to mean the product of the refractive index n with the mechanical thickness of the thin layer for the wavelength considered.
- evaporation by electron gun reactive radio frequency spraying, ion beam spraying, liquid phase deposition by sol-gel.
- the refractive indices obtained are 2.25 for Hf0 2 and 1.51 for Si0 2 .
- the mechanical thicknesses for the thin layers are 41 nm for a layer of Hf0 2 and 61 nm for a layer of Si0 2 .
- a specular reflection of 95% is obtained.
- the diagram in FIG. 2 gives the shape of the reflection R at normal incidence as a function of the wavelength ⁇ .
- Curve 10 relates to reflection in a liquid medium while curve 11 relates to reflection in air. It can be noted that, in the case of use in a liquid medium, the optical properties are practically unchanged by the change of the support (borosilicate or silica).
- the fluorophore used can be CY5, the absorption band of which is approximately around 650 nm.
- the numbers indicate the thickness of the layers denoted H or B (defined above) in nm. With this stack, the optical properties described by the diagram in FIG. 3 are obtained. Curve 20 relates to reflection in a liquid medium while curve 21 relates to reflection in air.
- the invention makes it possible to relax the absorption and expansion specifications in the materials used as substrates. These specifications can be very restrictive in this case . of the glass: reflection of the air-glass interface 4.%, 96% of the sunshine energy not absorbed by. ' ; resin (material to be exposed) passes through the substrate. The problem of reflection on the rear face of the substrate is eliminated. This stray reflection can decrease the resolution of the photolithography.
- the production of a mirror on the surface of the substrate can also make it possible to reduce the exposure doses during photolithography and thus to preserve the equipment necessary for this stage (lifetime of the lamps, resistance to the flow of optics). By loosening the specifications of the substrate materials, the supply costs are reduced, which opens the way to the use of new materials (plastic for example).
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0016315A FR2818263B1 (fr) | 2000-12-14 | 2000-12-14 | Substrat pour materiau a insoler |
| FR0016315 | 2000-12-14 | ||
| PCT/FR2001/003959 WO2002048795A1 (fr) | 2000-12-14 | 2001-12-12 | Substrat pour materiau a insoler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1346260A1 true EP1346260A1 (fr) | 2003-09-24 |
Family
ID=8857656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01270808A Withdrawn EP1346260A1 (fr) | 2000-12-14 | 2001-12-12 | Substrat pour materiau a insoler |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20040047057A1 (fr) |
| EP (1) | EP1346260A1 (fr) |
| JP (1) | JP2004523780A (fr) |
| AU (1) | AU2002219292A1 (fr) |
| FR (1) | FR2818263B1 (fr) |
| WO (1) | WO2002048795A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050074781A1 (en) * | 2003-10-02 | 2005-04-07 | Herbert von Schroeder | Nucleic acid braided J-probes |
| US8610986B2 (en) * | 2009-04-06 | 2013-12-17 | The Board Of Trustees Of The University Of Illinois | Mirror arrays for maskless photolithography and image display |
| US8394502B2 (en) * | 2009-09-14 | 2013-03-12 | Ocean Thin Films, Inc. | Highly durable first surface silver based optical coatings and method of making the same |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2561946B2 (ja) * | 1988-08-31 | 1996-12-11 | ホーヤ株式会社 | 多層膜裏面反射鏡 |
| US5736257A (en) * | 1995-04-25 | 1998-04-07 | Us Navy | Photoactivatable polymers for producing patterned biomolecular assemblies |
| JPH09185174A (ja) * | 1995-12-28 | 1997-07-15 | Oki Electric Ind Co Ltd | ウエハのパターニング方法 |
| DE19608428C2 (de) * | 1996-03-05 | 2000-10-19 | Forschungszentrum Juelich Gmbh | Chemischer Sensor |
| US6042995A (en) * | 1997-12-09 | 2000-03-28 | Lucent Technologies Inc. | Lithographic process for device fabrication using a multilayer mask which has been previously inspected |
| US6165896A (en) * | 1998-06-25 | 2000-12-26 | Siemens Aktiengesellschaft | Self-aligned formation and method for semiconductors |
| US6274871B1 (en) * | 1998-10-22 | 2001-08-14 | Vysis, Inc. | Method and system for performing infrared study on a biological sample |
| US6320206B1 (en) * | 1999-02-05 | 2001-11-20 | Lumileds Lighting, U.S., Llc | Light emitting devices having wafer bonded aluminum gallium indium nitride structures and mirror stacks |
| KR100379411B1 (ko) * | 1999-06-28 | 2003-04-10 | 엘지전자 주식회사 | 바이오칩 및 그의 생체 물질 패터닝 및 측정 방법 |
| US6494997B1 (en) * | 2000-08-18 | 2002-12-17 | General Electric Company | Radio frequency magnetron sputtering for lighting applications |
| US6589717B1 (en) * | 2000-11-17 | 2003-07-08 | Advanced Micro Devices, Inc. | Photon assisted deposition of hard mask formation for use in manufacture of both devices and masks |
| FR2849195B1 (fr) * | 2002-12-20 | 2005-01-21 | Commissariat Energie Atomique | Biocapteur a substrat quelconque pouvant etre caracterise en deflexion photothermique |
-
2000
- 2000-12-14 FR FR0016315A patent/FR2818263B1/fr not_active Expired - Fee Related
-
2001
- 2001-12-12 EP EP01270808A patent/EP1346260A1/fr not_active Withdrawn
- 2001-12-12 US US10/450,386 patent/US20040047057A1/en not_active Abandoned
- 2001-12-12 AU AU2002219292A patent/AU2002219292A1/en not_active Abandoned
- 2001-12-12 WO PCT/FR2001/003959 patent/WO2002048795A1/fr not_active Ceased
- 2001-12-12 JP JP2002550444A patent/JP2004523780A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0248795A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2002219292A1 (en) | 2002-06-24 |
| JP2004523780A (ja) | 2004-08-05 |
| WO2002048795A1 (fr) | 2002-06-20 |
| US20040047057A1 (en) | 2004-03-11 |
| FR2818263A1 (fr) | 2002-06-21 |
| FR2818263B1 (fr) | 2004-02-20 |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: BIOMERIEUX SA Owner name: COMMISSARIAT A L'ENERGIE ATOMIQUE |
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| 18D | Application deemed to be withdrawn |
Effective date: 20090701 |