EP2456625A2 - Procede de realisation d'un dispositif a element graphique - Google Patents
Procede de realisation d'un dispositif a element graphiqueInfo
- Publication number
- EP2456625A2 EP2456625A2 EP10733009A EP10733009A EP2456625A2 EP 2456625 A2 EP2456625 A2 EP 2456625A2 EP 10733009 A EP10733009 A EP 10733009A EP 10733009 A EP10733009 A EP 10733009A EP 2456625 A2 EP2456625 A2 EP 2456625A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- protective layer
- substrate
- graphic element
- face
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 239000010410 layer Substances 0.000 claims abstract description 151
- 239000011241 protective layer Substances 0.000 claims abstract description 112
- 239000000758 substrate Substances 0.000 claims abstract description 75
- 239000000463 material Substances 0.000 claims description 45
- 238000005530 etching Methods 0.000 claims description 24
- 238000000151 deposition Methods 0.000 claims description 13
- 239000012780 transparent material Substances 0.000 claims description 11
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000003989 dielectric material Substances 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 238000003486 chemical etching Methods 0.000 claims 1
- 230000001012 protector Effects 0.000 claims 1
- 239000010437 gem Substances 0.000 description 6
- 229910001751 gemstone Inorganic materials 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000008021 deposition Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 229910005091 Si3N Inorganic materials 0.000 description 3
- 229910052732 germanium Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229910021426 porous silicon Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
- B44F1/04—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces after passage through surface layers, e.g. pictures with mirrors on the back
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
Definitions
- the invention relates to a method for producing a device with a graphic element.
- the invention makes it possible, in particular, to produce one or more devices that can be produced in a collective manner, and that includes graphic elements of microscopic and / or nanoscopic dimensions, representing for example data such as text and / or images and / or or drawings buried in one or more massive objects in the form of vignettes may include one or more transparent windows to see them.
- the invention makes it possible, in particular, to mark an object, for example for decorative purposes and / or for purposes of identification or traceability, such as a jewel, a watch glass, a window of an equipment screen.
- an object for example for decorative purposes and / or for purposes of identification or traceability, such as a jewel, a watch glass, a window of an equipment screen.
- electronic a gemstone or semi-precious stone, or any object with high added value or high security requirements (vehicle safety parts or elements of the medical field such as prostheses).
- US 5,972,233 A discloses a method of making a graphic element for jewelry, in which a substrate is etched according to the pattern of the graphic element. A reflective layer is disposed against a first face of the substrate which is then secured, at a second face opposite the first face, with a jewel.
- An object of the present invention is to propose a method for producing a device with a graphic element making it possible to customize a surface, for example a flat surface, of an object by adding a buried and protected graphic element, and thus tamperproof. and which does not have the disadvantages of the prior art.
- the present invention proposes a method for producing a device with a graphic element, comprising at least the steps of:
- At least one stack comprising at least one sacrificial layer disposed between at least a first substrate and at least one protective layer, and at least one graphic element made at a first face of the protective layer opposite to a protective layer; second face of the protective layer such that said second face is disposed against the sacrificial layer,
- This method makes it possible to transfer a graphic element to an object, called a second substrate, without denaturing it, given the small thickness of the protective layer, for example between about 100 nm and 100 ⁇ m.
- the graphic element can be produced, during step a), by etching at least the first face of the protective layer in a pattern of the graphic element.
- the graphic element is formed by recesses made by etching in the first face of the protective layer.
- the securing step b) may comprise a molecular bonding of the protective layer against the second substrate used in a vacuum environment.
- Such molecular bonding makes it possible in particular to obtain a device having excellent thermal resistance.
- the protective layer may be oxide-based, for example silicon oxide, or silicon nitride
- the second substrate may comprise an oxide-based face, for example silicon oxide. , or silicon nitride, the protective layer and the second substrate being able to be stuck molecularly to each other, during step b), at the first face of the protective layer and said face of the second substrate.
- step a) of carrying out the stacking may comprise the implementation of the following steps:
- the layer intended to form the graphic element may be based on a material at least partially opaque to visible light, and / or visible to infrared and / or ultraviolet light.
- step a) of carrying out the stack may comprise the implementation of the following steps:
- Step b) of joining may comprise a molecular bonding of the layer covering the protective layer and the graphic element against the second substrate.
- Such molecular bonding makes it possible in particular to obtain a device having excellent thermal resistance.
- the layer covering the protective layer and the graphic element may be based on a dielectric material.
- the layer covering the protective layer and the graphic element may be based on oxide, for example silicon oxide, or silicon nitride
- the second substrate may comprise an oxide-based face, for example the silicon oxide, or silicon nitride, the layer covering the protective layer and the graphic element, and the second substrate being able to be stuck together molecularly during step b), level of said face of the second substrate.
- Step c) of uncoupling may comprise an application of a mechanical stress between the sacrificial layer and the protective layer, and / or, when the first substrate is based on an at least partially transparent material and the sacrificial layer based on at least one material capable of decomposing, a laser irradiation of the sacrificial layer through the first substrate, and / or, when the sacrificial layer is based on a fusible material, a heat treatment at a temperature greater than or equal to at the melting temperature of said fusible material, and / or an attack by a solution capable of decomposing the material of the sacrificial layer.
- the protective layer and / or the second substrate may be based on at least one optically transparent material. Thus, it is possible to see the graphic element through the protective layer and / or through the second substrate.
- neither the protective layer nor the second substrate is based on an optically transparent material.
- the material of the protective layer and / or the material of the second substrate to be chosen so as to be able to read the graphic element, for example by infrared or ultraviolet, these materials being, for example, silicon. .
- Steps a) to c) can be implemented collectively for the realization of several devices with graphic elements.
- the method may furthermore comprise, between step a) of carrying out the stacking and step b) of joining, the steps of:
- FIGS. 1A to 1H show the steps of a method for producing a graphic element device, object of the present invention, according to a first embodiment
- FIGS. 2A to 2D show the steps of a method for producing a graphic element device, object of the present invention, according to a second embodiment.
- FIGS. 1A to 1H represent the steps of a method of producing a device with a graphic element 100 according to a first embodiment.
- a stack comprising a substrate 102 that may be based on a material that is transparent or not transparent to light is first produced.
- This substrate may for example be a wafer, or a wafer, of diameter for example equal to about 200 mm, for example based on semiconductor such as silicon, or glass.
- a sacrificial layer 104 is disposed on the substrate 102 and is covered by a protective layer 106.
- the material of the sacrificial layer 104 is chosen in order to be able subsequently to separate or separate the substrate 102 from the protective layer 106.
- the sacrificial layer 104 is for example based on SiN x , for example Si3N 4 .
- the substrate 102 may be made from a transparent material such as glass in order to subsequently be able to separate the substrate 102 and the protective layer 106 by implementing laser shrinkage. also called a "laser liftoff" in which the irradiation of the sacrificial layer 104 by a laser beam through the transparent substrate 102 causes a decomposition of this material, thus separating the sacrificial layer 104 from the protective layer 106.
- the sacrificial layer 104 may be based on a fusible material, for example germanium, that is to say a material capable of melting from a certain temperature (for example 937 ° C. in the case of germanium) and thus to achieve the separation of the protective layer 106 with respect to the substrate 102.
- the substrate 102 may be based on of a non-transparent material.
- the sacrificial layer 104 may be based on porous silicon, which will make it possible to mechanically disassemble the sacrificial layer 104 with respect to the protective layer 106, for example by inserting a blade between the protective layer 106 and the sacrificial layer 104.
- the sacrificial layer 104 for example based on Ge or Si 3 N 4
- this substrate 102 may be based on a non-transparent material.
- the protective layer 106 is for example deposited on the sacrificial layer 104 and is based, for example, on oxide (such as SiO 2 ) and / or alumina and / or diamond (such as diamond-like carbon DLC ) and / or nitride (such as Si 3 N 4) and / or resin and / or at least one dielectric.
- the thickness of the protective layer 106 is for example between about 100 nm and 100 ⁇ m in order to protect mechanically the graphic element which will be subsequently produced at the level of the protective layer 106. In order to be able to observe this graphic element through the protective layer 106, it is possible to produce this protective layer 106 based on an optically transparent material .
- the degree of transparency of the layer 106 may be variable.
- the thickness and the material of the layer 106 can be chosen so that the graphic element, which will be realized later, can be visible through the transparent layer 106.
- a layer 108, in which the graphic element is intended to be made, is disposed on an upper face 107 of the protective layer 106 which is opposite the face of the protective layer 106 in contact with the sacrificial layer 104.
- This layer 108 may be based on any material, and in particular, when the protective layer 106 and / or the object on which the graphic element will be joined are transparent, a material having a contrast vis-à-vis the materials to be subsequently placed on the layer 108 (in particular the elements referenced 110 and 116 in FIG. 1H) since the graphic element can be observed through the protective layer 106 and / or the transparent object. It is also possible that the material of the layer 108 is at least partially opaque at certain wavelengths.
- the layer 108 may be metal-based.
- the layer 108 can also be made from a material having a contrast in the wavelength range of infrared light (wavelengths between about 780 nm and 1 mm) or ultraviolet (wavelengths between about 380 nm and 10 nm).
- the thickness of the layer 108 is for example between about 10 nm and 1 ⁇ m, and preferably between about 50 nm and 200 nm.
- the layer 108 is then etched so that the remaining portions 109, or gaps or gaps formed between the etched portions of the layer 108, form the desired graphic element (FIG. 1B).
- This graphic element represents for example data.
- the remaining portions 109 or spaces formed between the remaining portions have for example dimensions whose lower limit corresponds to the technological limits of the engraving techniques used.
- the engraving technique used may be chosen according to the nature of the material of the layer 108.
- a mask layer for example based on a mineral material, on the layer 108, to etch the mask layer according to the pattern of the graphic element, then to etch the layer 108 to through the mask made on layer 108. The mask is then deleted.
- the graphic element by first depositing on the face 107 of the protective layer 106 a mask layer, for example based on resin.
- This resin layer is then etched to form a mask whose pattern corresponds to the inverse pattern of the graphic element.
- the material intended to form the graphic element for example metal or any other suitable material and for example similar to the material of the layer 108 described above, is then deposited on the face 107 of the protective layer 106 through the mask, forming thus the graphic element.
- the resin mask is removed so as to keep on the face 107 of the protective layer 106 only the material forming the graphic element.
- the portions of material forming the graphic element are therefore similar to the portions 109 of the layer 108 forming the graphic element shown in FIG. 1B.
- the deposition and then planarization for example a chemical-mechanical, of a layer 110, or a stack of layers, based on at least one material compatible with a molecular bonding, is then carried out.
- This layer 110 completely covers the remaining portions 109 of the layer 108 forming the graphic element, as well as the portions of the face 107 of the transparent layer 106 which are not covered by the remaining portions 109 of the layer 108.
- the layer 110 is for example based on a dielectric material, and may in particular be based on oxide, for example SiC> 2.
- the planarization makes it possible to render an upper face 112 of the layer 110 compatible, in particular as regards the roughness and topology of the surface, for the subsequent implementation of a molecular bonding of the layer 110, at the level of the face upper 112, with the object intended to receive the graphic element.
- the layer 110 may be made so that the thickness of this layer lying above the remaining portions 109 of the layer 108 is between about 10 nm and 10 ⁇ m, and preferably between about 10 nm and 1 ⁇ m.
- a protective layer 114 for example based on Si3N 4 resin, or carbon ( Figure ID).
- This protective layer 114 makes it possible to protect the layers 102, 104, 106, 109 and 110 of a dry or wet etching carried out at least through this protective layer 114 for delimiting portions of these layers that will be part of the device 100.
- This etching can also be performed through the other layers 110 and / or 106 and / or 104. In the example of FIG. 1D, this etching is carried out through the layers 114, 110 and 106.
- This etching step therefore allows delimiting "on the surface” the device 100 of the other devices made in parallel on the same wafer.
- the protective layer 114 is then suppressed.
- Preparation steps for the molecular bonding of the face 112 can then be implemented collectively or individually for the chip. or all of the chips resulting from the initial stacking of the layers 102, 104, 106, 108 and 110.
- These preparation steps may be chemical cleaning steps of the surface 112 by solutions of the CARO, SC1 type, etc. and / or steps of mechanical preparation, for example brushing, and / or UV treatment steps, with ozone, or of type plasma for activating the molecules of the layer 110 at the surface 112.
- Molecular bonding of the chip 115 is then carried out with a second substrate 116 (substrate on which it is possible to have an oxide layer beforehand), at the face 112 of the dielectric layer 110 (FIG.
- This second substrate 116 corresponds to the object intended to include the graphic element, that is to say the object to be identified and / or decorated (jewel, watch glass, precious stone, electronic device screen ,. ..).
- the device 100 is then completed by separating the substrate 102 and the sacrificial layer 104 from the protective layer 106 by implementing one of the separation techniques described above according to the nature of the material of the sacrificial layer 104 (withdrawal by laser when the substrate 102 is transparent and the material of the sacrificial layer 104 is able to decompose or to carry out a degassing, heat treatment when the sacrificial layer 104 is based on a fusible material, application of a mechanical stress for mechanically separating the sacrificial layer 104 from the protective layer 106, or etching to remove the sacrificial layer 104) as shown in FIG.
- FIGS. 2A-2D show the steps of a method of producing a graphics element device 200 according to a second embodiment.
- a stack is first made comprising the substrate 102, the sacrificial layer 104 disposed on the substrate 102 and covered by the protective layer 106 (FIG. 2A).
- the materials and / or the thicknesses of these layers are for example substantially similar to the materials and / or the thicknesses previously described in connection with the first embodiment.
- the material of the protective layer 106 is preferably a transparent material, for example SiO 2 .
- the stack of layers made in this second embodiment does not include the layer 108 in which the graphic element was etched.
- the graphic element is etched directly in the protective layer 106, at its upper face 107 which is opposite to the face in contact with the sacrificial layer 104 (see Figure 2B).
- Holes 202 are therefore made for example by photolithography and etching, or by etching through a mask made temporarily on the protective layer 106, in the upper face 107 of the protective layer 106, these hollows 202 forming the graphic element.
- a protective layer in order to protect the layers 106, 104 and 102 of a dry or wet etching carried out at least through the protective layer for delimit portions of these layers that will be part of the device 200. This etching can also be performed through the other layers 106 and 104.
- This etching can be performed through the stack at a thickness of between about 10 nm and 500 nm, and preferably between about 10 nm and 100 nm.
- This stage of etching of the protective layer thus makes it possible to define the device 200 of the other devices made in parallel on the same wafer.
- FIGS. 2A to 2D the production of a single graphic element device is shown in FIGS. 2A to 2D, several other devices with a graphic element, not shown, are also produced from FIG. stack of layers previously described, by the collective implementation of the steps described in connection with Figures 2A and 2B.
- a material such as a metal or polysilicon
- the deposition of such a material makes it possible, in particular, when the protective layer 106 and / or the second substrate 116 are based on an optically transparent material, to improve the contrast for the observation of the graphic element which is then formed by the hollows and by the material deposited in the hollows.
- the face of the second substrate 116 intended to be secured to the protective layer 106 may be previously covered with an oxide layer 204, for example of the same nature as the oxide of the protective layer 106, making the molecular bonding compatible between the second substrate 116 and the transparent layer 106.
- this molecular bonding is preferably performed in a chamber under empty.
- the device 200 is then completed by separating the substrate 102 and the sacrificial layer 104 from the protective layer 106 by implementing one of the separation techniques described above according to the nature of the material of the sacrificial layer 104 (withdrawal by laser when the substrate 102 is transparent, heat treatment when the sacrificial layer 104 is based on a fusible material, applying a mechanical stress to mechanically separate the sacrificial layer 104 from the protective layer 106, or etching to remove the sacrificial layer 104) as shown in Fig. 2D.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Micromachines (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0955124A FR2948318B1 (fr) | 2009-07-22 | 2009-07-22 | Procede de realisation d'un dispositif a element graphique |
| PCT/EP2010/060456 WO2011009847A2 (fr) | 2009-07-22 | 2010-07-20 | Procede de realisation d'un dispositif a element graphique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2456625A2 true EP2456625A2 (fr) | 2012-05-30 |
| EP2456625B1 EP2456625B1 (fr) | 2013-11-06 |
Family
ID=42035280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10733009.4A Not-in-force EP2456625B1 (fr) | 2009-07-22 | 2010-07-20 | Procede de realisation d'un dispositif a element graphique |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20120111829A1 (fr) |
| EP (1) | EP2456625B1 (fr) |
| FR (1) | FR2948318B1 (fr) |
| WO (1) | WO2011009847A2 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2926748B1 (fr) * | 2008-01-25 | 2010-04-02 | Commissariat Energie Atomique | Objet muni d'un element graphique reporte sur un support et procede de realisation d'un tel objet. |
| FR3007892B1 (fr) | 2013-06-27 | 2015-07-31 | Commissariat Energie Atomique | Procede de transfert d'une couche mince avec apport d'energie thermique a une zone fragilisee via une couche inductive |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4490440A (en) * | 1983-08-16 | 1984-12-25 | Reber William L | High technology jewelry and fabrication of same |
| JP3319661B2 (ja) * | 1993-10-12 | 2002-09-03 | 日本写真印刷株式会社 | 転写箔および多色の光透過抜きパターンを有するプラスチック成形品の製造方法 |
| US5972233A (en) * | 1996-01-31 | 1999-10-26 | Refractal Design, Inc. | Method of manufacturing a decorative article |
| CA2296702A1 (fr) * | 1998-04-23 | 1999-11-04 | Winter Cvd Technik Gmbh | Pierres ornementales |
| FR2787061B1 (fr) * | 1998-12-14 | 2001-01-26 | Becton Dickinson France | Procede et installation de marquage superficiel d'un substrat |
| JP3495696B2 (ja) * | 2000-11-08 | 2004-02-09 | 株式会社アトライズヨドガワ | キートップ及びその製造方法 |
| US20030034328A1 (en) * | 2001-08-20 | 2003-02-20 | Pang-Tsung Lu | Method of making 3d patterns on a mold |
| FR2851496B1 (fr) * | 2003-02-20 | 2005-05-27 | Savoyet Jean Louis P J | Moyens et dispositifs de protection d'un graphisme lithographique reporte sur un objet pouvant contenir un dispositif electronique de reperage. |
| FR2856192B1 (fr) * | 2003-06-11 | 2005-07-29 | Soitec Silicon On Insulator | Procede de realisation de structure heterogene et structure obtenue par un tel procede |
| ATE439335T1 (de) * | 2003-12-16 | 2009-08-15 | Asulab Sa | Verfahren zur herstellung eines transparenten elements mit unsichtbaren elektroden |
| US7691281B2 (en) * | 2005-04-28 | 2010-04-06 | Harmony Fastening Systems, Inc. | Method of producing a reflective design |
| FR2888402B1 (fr) * | 2005-07-06 | 2007-12-21 | Commissariat Energie Atomique | Procede d'assemblage de substrats par depot d'une couche mince de collage d'oxyde ou de nitrure et structure ainsi assemblee |
| FR2893018B1 (fr) * | 2005-11-09 | 2008-03-14 | Commissariat Energie Atomique | Procede de formation de supports presentant des motifs, tels que des masques de lithographie. |
| FR2906078B1 (fr) * | 2006-09-19 | 2009-02-13 | Commissariat Energie Atomique | Procede de fabrication d'une structure micro-technologique mixte et une structure ainsi obtenue |
-
2009
- 2009-07-22 FR FR0955124A patent/FR2948318B1/fr not_active Expired - Fee Related
-
2010
- 2010-07-20 WO PCT/EP2010/060456 patent/WO2011009847A2/fr not_active Ceased
- 2010-07-20 US US13/384,035 patent/US20120111829A1/en not_active Abandoned
- 2010-07-20 EP EP10733009.4A patent/EP2456625B1/fr not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011009847A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011009847A3 (fr) | 2011-04-14 |
| FR2948318B1 (fr) | 2011-08-19 |
| WO2011009847A2 (fr) | 2011-01-27 |
| FR2948318A1 (fr) | 2011-01-28 |
| US20120111829A1 (en) | 2012-05-10 |
| EP2456625B1 (fr) | 2013-11-06 |
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