ITMI20050228A1 - Componente semiconduttore micromeccanico in particolare sensore di pressione differenziale e procedimenti per la sua realizzazione - Google Patents
Componente semiconduttore micromeccanico in particolare sensore di pressione differenziale e procedimenti per la sua realizzazioneInfo
- Publication number
- ITMI20050228A1 ITMI20050228A1 ITMI20050228A ITMI20050228A1 IT MI20050228 A1 ITMI20050228 A1 IT MI20050228A1 IT MI20050228 A ITMI20050228 A IT MI20050228A IT MI20050228 A1 ITMI20050228 A1 IT MI20050228A1
- Authority
- IT
- Italy
- Prior art keywords
- realization
- procedures
- micro
- pressure sensor
- differential pressure
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0042—Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms
- G01L9/0048—Details about the mounting of the diaphragm to its support or about the diaphragm edges, e.g. notches, round shapes for stress relief
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
- G01L9/0054—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements integral with a semiconducting diaphragm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2201/00—Specific applications of microelectromechanical systems
- B81B2201/02—Sensors
- B81B2201/0264—Pressure sensors
-
- 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
- B81C2201/0111—Bulk micromachining
- B81C2201/0115—Porous silicon
-
- 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
- B81C2201/0128—Processes for removing material
- B81C2201/013—Etching
- B81C2201/0135—Controlling etch progression
- B81C2201/014—Controlling etch progression by depositing an etch stop layer, e.g. silicon nitride, silicon oxide, metal
-
- 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
- B81C2201/05—Temporary protection of devices or parts of the devices during manufacturing
- B81C2201/053—Depositing a protective layers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Pressure Sensors (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004007519 | 2004-02-17 | ||
DE102004015444A DE102004015444A1 (de) | 2004-02-17 | 2004-07-28 | Differenzdrucksensor |
Publications (1)
Publication Number | Publication Date |
---|---|
ITMI20050228A1 true ITMI20050228A1 (it) | 2005-08-18 |
Family
ID=34813420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI20050228 ITMI20050228A1 (it) | 2004-02-17 | 2005-02-16 | Componente semiconduttore micromeccanico in particolare sensore di pressione differenziale e procedimenti per la sua realizzazione |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102004015444A1 (it) |
IT (1) | ITMI20050228A1 (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006059091B4 (de) * | 2005-12-16 | 2011-03-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mikrooptisches reflektierendes Bauelement und dessen Verwendung |
DE102006022378A1 (de) * | 2006-05-12 | 2007-11-22 | Robert Bosch Gmbh | Verfahren zur Herstellung eines mikromechanischen Bauelements und mikromechanisches Bauelement |
DE102007003544A1 (de) * | 2007-01-24 | 2008-07-31 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Bauteils und Sensorelement |
DE102008002332B4 (de) | 2008-06-10 | 2017-02-09 | Robert Bosch Gmbh | Verfahren zur Herstellung einer mikromechanischen Membranstruktur mit Zugang von der Substratrückseite |
-
2004
- 2004-07-28 DE DE102004015444A patent/DE102004015444A1/de not_active Ceased
-
2005
- 2005-02-16 IT ITMI20050228 patent/ITMI20050228A1/it unknown
Also Published As
Publication number | Publication date |
---|---|
DE102004015444A1 (de) | 2005-09-01 |
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