WO2004071941A2 - Verfahren zur herstellung einer mikromechanischen vorrichtung und vorrichtung - Google Patents
Verfahren zur herstellung einer mikromechanischen vorrichtung und vorrichtung Download PDFInfo
- Publication number
- WO2004071941A2 WO2004071941A2 PCT/DE2003/003194 DE0303194W WO2004071941A2 WO 2004071941 A2 WO2004071941 A2 WO 2004071941A2 DE 0303194 W DE0303194 W DE 0303194W WO 2004071941 A2 WO2004071941 A2 WO 2004071941A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- membrane
- substrate material
- layer
- etching step
- holes
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00015—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
- B81C1/00023—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems without movable or flexible elements
- B81C1/00047—Cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00642—Manufacture or treatment of devices or systems in or on a substrate for improving the physical properties of a device
- B81C1/0069—Thermal properties, e.g. improve thermal insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2203/00—Basic microelectromechanical structures
- B81B2203/01—Suspended structures, i.e. structures allowing a movement
- B81B2203/0127—Diaphragms, i.e. structures separating two media that can control the passage from one medium to another; Membranes, i.e. diaphragms with filtering function
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2201/00—Manufacture or treatment of microstructural devices or systems
- B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
- B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
- B81C2201/0102—Surface micromachining
- B81C2201/0105—Sacrificial layer
- B81C2201/0109—Sacrificial layers not provided for in B81C2201/0107 - B81C2201/0108
Definitions
- the invention is based on a method and a device according to the type of the independent claims.
- a micromechanical device emerges from the article by D. Moser and H. Baltes "A high sensitivity CMOS gas flow sensor on a thin dielectric membrane” and the journal Sensors and Actuators A 37-38 (1993), pp. 33-37 , in which a thermal decoupling between components and the carrier material (substrate) is realized, the device being manufactured in bulk micromechanics
- the membrane required for thermal insulation on which, for example, temperature sensors and heaters are located, is produced from the rear using a volume micromechanical process.
- the membrane is structured by a wet chemical etching process, for example using KOH.
- the entire substrate in the area of the membrane has to be etched from the back, which leads to long process times. Since the wet chemical etching solutions attack the functional layers on the front, the wafer must be installed in so-called etching cans so that the front is protected during the etching process.
- the method known from the prior art is therefore very complex and involves high costs, including the rear side process.
- the method according to the invention and the device according to the invention with the features of the independent claims have the advantage that a A method for producing membranes is provided in which only front processes are required.
- the method according to the invention and the device according to the invention can thus be produced in surface micromechanics (OMM).
- OMM surface micromechanics
- temperature sensors and / or heating elements for arrangement in or on the membrane are possible as components, but according to the invention any component is possible and conceivable, the production of which can be integrated into the manufacturing process of the device.
- Decoupling is particularly required for thermal sensors such as thermocouples, chemical sensors and air mass sensors.
- the method and the device according to the invention have the advantage over the prior art that only surface micromechanical processes, i.e. only front-end processes are necessary to manufacture the device. This eliminates the complex rear processes such.
- B. the KOH etching by means of an etching can for structuring the membrane. Particles and scratches on the front of the wafer are minimized or avoided by eliminating the backside processes, in which the wafer has to be turned over and placed on the front.
- a surface micromechanical device is used to generate the thermal decoupling
- Sacrificial layer technology is used, which has a high selectivity towards thermally insulating materials such as oxides and nitrides as well as towards metals. Silicon in particular is used as the sacrificial layer in the method according to the invention.
- the area of the sacrificial layer is, according to the invention, first of all by means of a first (anisotropic) etching step, in particular a DRTE etching method
- the membrane layer comprises thermally poorly conductive material, for example silicon oxide or silicon nitride.
- CMOS complementary metal-oxide-semiconductor
- the compatibility of the etching media used in the sacrificial layer set with the materials used in the standard CMOS processes that are known and known from the prior art enables them to be used it according to the invention that the manufacture of the device according to the invention and the manufacture of an integrated circuit (IC) manufactured in CMOS technology are integrated together, ie can be carried out in a (multi-step) manufacturing process.
- the holes in the membrane are closed after the second etching step, in particular with a cover layer or a cover.
- a layer made of PECVD oxide or a spin-on glass or also a combination of different layers is particularly suitable as a sealing layer.
- a cap as a lid can be used as a closure of the holes.
- a component to be thermally insulated from the substrate material is produced on or in the membrane. This makes it possible that after the second etching step no further steps producing a component are necessary, and thus in particular no problems arise because, for example, in the
- Membranes are present after the two etching steps, into which material to be applied to the membrane could possibly penetrate or which could attack or damage the membrane from its rear. It is also particularly advantageous that the membrane is provided in a particularly well insulated manner from the substrate material. This is achieved according to the invention in particular by a comparatively large height of the cavity which is provided in the membrane area above the substrate material. As a result of various heat transport mechanisms in particular, there is only a small heat transport from the membrane into the substrate material and thus particularly good thermal insulation. It is also particularly advantageous that a silicon substrate, in particular a single crystal, or an SOI / EOI substrate is used as the substrate material
- SOI / EOI substrate silicon-on-insulator / epipoly-on-insulator substrate.
- SOI / EOI substrate can be used particularly advantageously according to the invention in that the oxide layer of the SOI / EOI substrate serves as a vertical etching stop during the sacrificial layer etching, as a result of which a defined sacrificial layer thickness can be set.
- the layer structure is based on one monocrystalline silicon substrate, an oxide layer and subsequently a silicon layer is applied.
- the method according to the invention allows the simple manufacture of a device according to the invention, in particular of sensor elements, in which a thermal decoupling between temperature sensors and / or heating elements and the carrier material or substrate is necessary. According to the invention, only a few layers and photolithography steps are necessary to carry out the process according to the invention, so that the method can be carried out simply and inexpensively.
- FIG. 1 shows a first embodiment of the substrate material with a first part of a membrane layer in a sectional view
- FIG. 2 shows the first embodiment of the substrate material with the first part of the membrane layer and a component integrated in the membrane layer in a sectional view
- FIG. 3 shows the first embodiment of the substrate material with a membrane layer and a partially performed first etching step in a sectional view
- FIG. 4 shows the first embodiment of the substrate material with a membrane layer and a completely performed first etching step in a sectional view
- FIG. 5 shows the first embodiment of the substrate material with a membrane layer and performed first and second etching steps 6 and 7, the first embodiment of the substrate material with a membrane layer and the first and second etching steps carried out completely and a first and second embodiment of a closure of holes in the membrane in a sectional view
- FIG. 8 a second embodiment of the substrate material with a membrane layer and the first one carried out completely Etching step in sectional view
- Figure 9 shows the second embodiment of the substrate material with membrane layer and performed first and second etching step i n sectional view.
- FIG. 1 shows a first embodiment of the substrate material 10 with a first part 21 of a membrane layer in a sectional view.
- the first part 21 of the membrane layer should be under tension and have a certain thermal conductivity.
- the first part 21 of the membrane layer comprises, in particular, a first partial membrane layer 22, which is provided in particular as an oxide layer.
- the first partial membrane layer 22 has been produced, for example, as a thermal oxide layer or as a PECVD oxide layer.
- the first part 21 of the membrane layer further comprises in particular a second partial membrane layer 24, which is provided in particular as a nitride layer.
- the second partial membrane layer 24 has been produced, for example, as a PECVD nitride layer or as an LPCVD nitride layer.
- the first part 21 of the membrane layer can, however, be provided in further embodiments of the invention, not shown, in the form of a layer system composed of oxide layers / nitride layers.
- the layer thicknesses of the first and second partial membrane layers 22, 24 are in the range of approximately 0.5-5 ⁇ m.
- this in particular comprises a semiconductor material 12, preferably monocrystalline silicon material 12.
- FIG. 2 shows the first embodiment of the substrate material 10 with the first part 21 of the membrane layer 20 and a component which is integrated in the membrane layer 20 and is not specifically designated by a reference symbol in a sectional illustration.
- the component is provided and described by way of example as a thermocouple or temperature sensor, but can be any component that can be integrated in or on a membrane.
- the thermocouple has, for example, a known platinum resistance or a known Si / Al or also Si / Ge thermopile, which is produced using known methods.
- a structured layer in particular a poly-silicon layer, is first applied to the membrane 20, which comprises a first region 201 and possibly a second region 202.
- the first region 201 forms a first resistor, which is also referred to below with the reference number 201.
- the first and second regions 201, 202 can also be provided completely electrically separate from one another, but can be structured out of the same layer.
- an intermediate oxide layer 203 and a second resistor 204 which according to the invention are made in particular of aluminum material or germanium material, are deposited and structured consists.
- a thermocouple is formed from the first and second resistor 201, 204.
- bond pads 206 or generally contacting areas 206 are produced, which are made, for example, of aluminum material.
- the membrane 20 results from the first part 21 of the membrane layer and the “structure” of the component - in the exemplary embodiment as a thermocouple - on the first part 21 of the membrane layer.
- the membrane 20 could also be constructed in this way be that, for example, the component is provided below the first and second partial membrane layers 22, 24.
- the substrate material 10 is in any case arranged “below” the membrane layer 20. In principle, this is provided in the same way in all the following figures and is therefore not described repeatedly.
- the basic structure of the component for example as a thermocouple, is in principle retained in the other figures, which is why it is not described repeatedly.
- FIG. 3 shows the first embodiment of the substrate material 10 with the membrane layer 20 and a partially performed first etching step in a sectional view.
- vertical recesses ie holes
- the membrane layer 20 or in the membrane 20 are made at certain perforation points provided with arrows and the reference numerals 28, 29 in FIG.
- the etching process for the first etching step is provided in particular anisotropically.
- the perforation points 28, 29 and correspondingly also the holes 40 are located at points of the membrane layer 20 at which no parts of the components located on or in the membrane layer 20 can be damaged by the creation of the holes 40.
- a perforation point 28, 29 Located in the vertical direction, ie in the direction of the introduction of the holes 40 into the membrane layer 20 which is extended over a large area there is therefore only a region of the substrate 10 provided as a sacrificial layer “below” a perforation point 28, 29.
- the perforation points designated by reference numeral 28 this is clearly evident because the corresponding holes 40 do not match the (in FIG. 1 with reference numeral 201 or 204) of the first or second resistance of the thermocouple, for the perforation points designated by reference number 29 this is represented by the side walls of the corresponding holes 40 shown by dotted lines.
- the holes 40 are suitable for those designated by the reference number 29 provided perforation points not in the sectional plane shown (in which the first and second resistance of the thermocouple is located), but in another sectional plane in which the
- Component is not affected by the holes 40.
- FIG. 4 shows the first embodiment of the substrate material 10 with a membrane layer 20 and a completely performed first etching step in a sectional view.
- the first etching step was carried out completely, i.e. the holes 40 are made up to a certain height 44 (or “depth”) in the substrate material 10 starting from the holes 40 made in the membrane layer 20 at the perforation points 28, 29 (cf. description of FIG. 3) for the first part of the first etching step shown in FIG. 3, an anisotropic etching process for deep structuring, in particular one
- the height 44 is shown in FIG. 4 by means of a double arrow below the first and second partial membrane layers 22, 24 into the substrate material 10.
- the height 44 of the holes 40 lies below the membrane layer 20 in the range from 2 ⁇ m to 200 ⁇ m.
- the depth structuring essentially specifies the depth (or height) of the sacrificial layer etching process.
- the holes 40 which are in the
- perforation holes 40 can have a diameter between 0.5 ⁇ m and 500 ⁇ m.
- the holes 40 are preferably smaller than 10 ⁇ m.
- Applications that require a membrane that is structured as strongly as possible for example thermal conductivity sensors for H2 detection, sensors based on free convection flow for inclination measurement) preferably have holes 40 larger than 100 ⁇ m.
- FIG. 5 shows the first embodiment of the substrate material 10 with the membrane layer 20 and the first and second etching steps carried out in a sectional illustration.
- the device is laterally etched by means of an isotropic semiconductor etching process as a second etching step, the trench structure predetermined by the holes 40 and not visible in the area of the membrane layer 20 in the area of the sacrificial layer, ie below the membrane 20.
- This is shown in FIG. 5 by means of four, double arrows which do not run horizontally and are not designated by a reference number.
- the access of the etching medium for the second etching step is shown through the holes 40 in FIG. 5 by means of arrows designated with the reference symbol 42.
- the etching process can be carried out, for example, using a XeF 2 , C1F 3 or BrF 3 process.
- the cavity 30 or cavern 30 has a height 31 which, according to the invention, essentially corresponds to the height 44 shown in FIG. 4 of the depth structuring of the holes 40 below the membrane region 20.
- Components are thermally decoupled or insulated from the substrate material 10 by the cavern 30.
- FIGS. 6 and 7 show the first embodiment of the substrate material 10 with the membrane layer 20 and the completely carried out first and second etching step and a first and second embodiment of a closure of the holes 40 in the membrane 20 in a sectional view.
- 6 shows the first embodiment of a closure of the holes 40 by means of a closure layer 50.
- FIG. 7 shows the second embodiment of closing the holes 40 by means of a cap 52. This will make the components or others
- the sealing layer 50 is designed in particular as a PECVD oxide or as a spin-on glass.
- FIGS. 8 and 9 show a second embodiment of the substrate material 10 with the membrane layer 20 in a sectional view.
- FIG. 8 shows the first etching step carried out completely.
- FIG. 9 shows the first and second etching step carried out completely.
- a substrate material with a sequence of different layers in the substrate material 10 is used, for example with a silicon-silicon oxide-silicon layer sequence.
- a (silicon) oxide layer 16 and subsequently a silicon layer 15 are applied to a monocrystalline part 17 of the substrate material 10.
- the silicon layer 15 can be provided both as a monocrystalline silicon layer 15 or as an “epitaxially applied” polycrystalline silicon layer 15 (so-called EpiPoly silicon layer 15) EOI material spoken, but the manufacturing process is also in its steps in the second embodiment of the
- Substrate material 10 analogous to that described in connection with FIGS. 1-7. The only difference is that the oxide layer 16 of the substrate material 10 ensures an etching stop at the end of the first etching step. Thus, by means of the deep structuring method of the first etching step, the holes 40 cannot penetrate deeper than the oxide layer 16 into the substrate material 10, i.e. completely by the as
- Sacrificial layer used silicon layer 15 are introduced. This makes it possible to identify the end point of the first etching step.
- the depth structuring of the holes 40 beyond the membrane layer 20 extends over the height (or depth) designated by the reference symbol 44, which corresponds to the layer thickness of the silicon layer 15. Furthermore, the height 31 of the cavern 30 corresponds to
- Thickness of the silicon layer 15 of the substrate material is the thickness of the silicon layer 15 of the substrate material.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004568081A JP2006513047A (ja) | 2003-02-11 | 2003-09-25 | マイクロマシニング型の装置を製造するための方法及び装置 |
US10/543,357 US20060226114A1 (en) | 2003-02-11 | 2003-09-25 | Method for producing a micromechanical device and a micromechanical device |
EP03815817A EP1594799A2 (de) | 2003-02-11 | 2003-09-25 | Verfahren zur herstellung einer mikromechanischen vorrichtung und vorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10305442A DE10305442A1 (de) | 2003-02-11 | 2003-02-11 | Verfahren zur Herstellung einer mikromechanischen Vorrichtung und Vorrichtung |
DE10305442.1 | 2003-02-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004071941A2 true WO2004071941A2 (de) | 2004-08-26 |
WO2004071941A3 WO2004071941A3 (de) | 2004-12-23 |
Family
ID=32730954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2003/003194 WO2004071941A2 (de) | 2003-02-11 | 2003-09-25 | Verfahren zur herstellung einer mikromechanischen vorrichtung und vorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060226114A1 (de) |
EP (1) | EP1594799A2 (de) |
JP (1) | JP2006513047A (de) |
DE (1) | DE10305442A1 (de) |
WO (1) | WO2004071941A2 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005279919A (ja) * | 2004-03-03 | 2005-10-13 | Japan Aviation Electronics Industry Ltd | 微小可動デバイス及びその作製方法 |
EP1935008A2 (de) * | 2005-09-30 | 2008-06-25 | Freescale Semiconductor, Inc. | Mikroelektronische anordnung und verfahren zu ihrer herstellung |
AT519160A3 (de) * | 2016-09-08 | 2020-02-15 | Bosch Gmbh Robert | Verfahren zum Herstellen eines mikromechanischen Bauteils und mikromechanisches Bauteil |
US11708265B2 (en) | 2020-01-08 | 2023-07-25 | X-FAB Global Services GmbH | Method for manufacturing a membrane component and a membrane component |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10352001A1 (de) | 2003-11-07 | 2005-06-09 | Robert Bosch Gmbh | Mikromechanisches Bauelement mit einer Membran und Verfahren zur Herstellung eines solchen Bauelements |
JP5009505B2 (ja) | 2004-03-03 | 2012-08-22 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | ダイヤフラムを備えたマイクロマシニング型の構成エレメントおよびこのような構成エレメントを製作するための方法 |
US8043950B2 (en) | 2005-10-26 | 2011-10-25 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and manufacturing method thereof |
CN102922067B (zh) * | 2012-11-13 | 2014-08-06 | 天津大学 | 对空心部件内部进行刻槽加工的装置 |
DE102013210512B4 (de) | 2013-06-06 | 2016-01-07 | Robert Bosch Gmbh | Sensor mit Membran und Herstellungsverfahren |
CN103715065B (zh) * | 2013-12-30 | 2018-05-01 | 国家电网公司 | 一种平缓光滑侧壁形貌的SiC刻蚀方法 |
DE102016203239A1 (de) * | 2016-02-29 | 2017-08-31 | Robert Bosch Gmbh | Mikromechanische Sensorvorrichtung und entsprechendes Herstellungsverfahren |
DE102020214925A1 (de) | 2020-11-27 | 2022-06-02 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Herstellung eines Polysilizium-SOI-Substrats mit einer Kavität |
Citations (5)
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DE19752208A1 (de) * | 1997-11-25 | 1999-06-02 | Bosch Gmbh Robert | Thermischer Membransensor und Verfahren zu seiner Herstellung |
EP1130631A1 (de) * | 2000-02-29 | 2001-09-05 | STMicroelectronics S.r.l. | Herstellungsverfahren eines vergrabenen Hohlraumes in einer Halbleiterscheibe |
US6359276B1 (en) * | 1998-10-21 | 2002-03-19 | Xiang Zheng Tu | Microbolom infrared sensors |
FR2817050A1 (fr) * | 2001-03-07 | 2002-05-24 | Commissariat Energie Atomique | Brasseur optique a voies guidees et procedes de realisation d'un tel brasseur |
EP1254717A1 (de) * | 2001-04-27 | 2002-11-06 | Zarlink Semiconductor Inc. | Herstellung von intergrierten fluidischen Vorrichtungen |
Family Cites Families (5)
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US5464966A (en) * | 1992-10-26 | 1995-11-07 | The United States Of America As Represented By The Secretary Of Commerce | Micro-hotplate devices and methods for their fabrication |
US5481102A (en) * | 1994-03-31 | 1996-01-02 | Hazelrigg, Jr.; George A. | Micromechanical/microelectromechanical identification devices and methods of fabrication and encoding thereof |
JP3214441B2 (ja) * | 1998-04-10 | 2001-10-02 | 日本電気株式会社 | 半導体装置及びその製造方法 |
US6569754B2 (en) * | 2000-08-24 | 2003-05-27 | The Regents Of The University Of Michigan | Method for making a module including a microplatform |
ITVA20000042A1 (it) * | 2000-12-15 | 2002-06-15 | St Microelectronics Srl | Sensore di pressione monoliticamente integrato e relativo processo direalizzazione. |
-
2003
- 2003-02-11 DE DE10305442A patent/DE10305442A1/de not_active Withdrawn
- 2003-09-25 WO PCT/DE2003/003194 patent/WO2004071941A2/de active Application Filing
- 2003-09-25 JP JP2004568081A patent/JP2006513047A/ja active Pending
- 2003-09-25 EP EP03815817A patent/EP1594799A2/de not_active Withdrawn
- 2003-09-25 US US10/543,357 patent/US20060226114A1/en not_active Abandoned
Patent Citations (5)
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DE19752208A1 (de) * | 1997-11-25 | 1999-06-02 | Bosch Gmbh Robert | Thermischer Membransensor und Verfahren zu seiner Herstellung |
US6359276B1 (en) * | 1998-10-21 | 2002-03-19 | Xiang Zheng Tu | Microbolom infrared sensors |
EP1130631A1 (de) * | 2000-02-29 | 2001-09-05 | STMicroelectronics S.r.l. | Herstellungsverfahren eines vergrabenen Hohlraumes in einer Halbleiterscheibe |
FR2817050A1 (fr) * | 2001-03-07 | 2002-05-24 | Commissariat Energie Atomique | Brasseur optique a voies guidees et procedes de realisation d'un tel brasseur |
EP1254717A1 (de) * | 2001-04-27 | 2002-11-06 | Zarlink Semiconductor Inc. | Herstellung von intergrierten fluidischen Vorrichtungen |
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Title |
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SARRO P M: "Silicon carbide as a new MEMS technology" SENSORS AND ACTUATORS A, ELSEVIER SEQUOIA S.A., LAUSANNE, CH, Bd. 82, Nr. 1-3, Mai 2000 (2000-05), Seiten 210-218, XP004198264 ISSN: 0924-4247 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005279919A (ja) * | 2004-03-03 | 2005-10-13 | Japan Aviation Electronics Industry Ltd | 微小可動デバイス及びその作製方法 |
EP1935008A2 (de) * | 2005-09-30 | 2008-06-25 | Freescale Semiconductor, Inc. | Mikroelektronische anordnung und verfahren zu ihrer herstellung |
EP1935008A4 (de) * | 2005-09-30 | 2011-09-28 | Freescale Semiconductor Inc | Mikroelektronische anordnung und verfahren zu ihrer herstellung |
AT519160A3 (de) * | 2016-09-08 | 2020-02-15 | Bosch Gmbh Robert | Verfahren zum Herstellen eines mikromechanischen Bauteils und mikromechanisches Bauteil |
AT519160B1 (de) * | 2016-09-08 | 2020-07-15 | Bosch Gmbh Robert | Verfahren zum Herstellen eines mikromechanischen Bauteils und mikromechanisches Bauteil |
US11708265B2 (en) | 2020-01-08 | 2023-07-25 | X-FAB Global Services GmbH | Method for manufacturing a membrane component and a membrane component |
Also Published As
Publication number | Publication date |
---|---|
EP1594799A2 (de) | 2005-11-16 |
JP2006513047A (ja) | 2006-04-20 |
US20060226114A1 (en) | 2006-10-12 |
WO2004071941A3 (de) | 2004-12-23 |
DE10305442A1 (de) | 2004-08-19 |
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