CN109587846A - Micro- heating plate of composite construction and preparation method thereof - Google Patents

Micro- heating plate of composite construction and preparation method thereof Download PDF

Info

Publication number
CN109587846A
CN109587846A CN201811622329.6A CN201811622329A CN109587846A CN 109587846 A CN109587846 A CN 109587846A CN 201811622329 A CN201811622329 A CN 201811622329A CN 109587846 A CN109587846 A CN 109587846A
Authority
CN
China
Prior art keywords
substrate
layer
insulating layer
heating
thermal insulation
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.)
Pending
Application number
CN201811622329.6A
Other languages
Chinese (zh)
Inventor
刘瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Fuyi Electronic Technology Co Ltd
Original Assignee
Suzhou Fuyi Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Fuyi Electronic Technology Co Ltd filed Critical Suzhou Fuyi Electronic Technology Co Ltd
Priority to CN201811622329.6A priority Critical patent/CN109587846A/en
Publication of CN109587846A publication Critical patent/CN109587846A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • H05B3/283Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material the insulating material being an inorganic material, e.g. ceramic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Micromachines (AREA)

Abstract

The invention discloses micro- heating plates of a kind of composite construction and preparation method thereof.The production method includes: to process to form cavity structure in the second surface of one first substrate;It is successively grown in one second substrate surface and forms thermal insulation layer and the first insulating layer;First insulating layer is bonded with the first surface of first substrate, the first surface and second surface are opposite facing, remove second substrate later;Heating layer, second insulating layer and test layer are sequentially formed on the thermal insulation layer.Wherein quartz substrate, monocrystalline substrate can be respectively adopted in the first, second substrate.The structure of micro- heating plate of composite construction provided by the invention is simple, secured, and high reliablity, stability is good, especially has efficient heating properties, while its preparation process is simply easily operated, can use MEMS technology Rapid Implementation, is suitable for large-scale production.

Description

Micro- heating plate of composite construction and preparation method thereof
Technical field
The present invention relates to a kind of micro- heating plate and preparation method thereof, in particular to micro- heating plate of a kind of composite construction and its Production method belongs to semiconductor technical field of micro and nano fabrication.
Background technique
Gas sensor mainly has semiconductor-type, electric chemical formula, catalytic combustion type etc. several at this stage, wherein semiconductor-type The most practical a kind of gas sensor of gas sensor.It has it is low in cost, be simple to manufacture, high sensitivity, fast response time, The advantages that service life is long, and circuit low to humidity sensitive is simple.Mature semiconductor-type gas sensor is at present with micro- heating plate Basis coats sensitive material above it, and sensitive material is made to work at a certain temperature, and semiconductor-type gas sensing may be implemented The works fine of device.
For currently used micro- heating plate mainly based on ceramic bases or silicon base, ceramic bases are mainly used for traditional height Temperature sensitive material is heated, and relative volume is larger, for the more of traditional gas sensor.The micro- heating plate of silicon substrate is mainly with outstanding Based on hollow structure, body of overleaf beginning to speak, surface silicon nitride, silica form composite layer, for insulation and thermal insulation layer.From the U.S. Since proposing the micro- heating plate of MEMS earliest, lot of domestic and international researcher has carried out a large amount of research to it, for example, some The micro- heating plate research carried out using SOI silicon as substrate is reported in document.But there is also yields for the micro- heating plate of current MEMS silicon substrate It is low, be difficult to the shortcomings that resistant to high temperatures, support film is easily damaged etc..Specifically, the micro- heating plate one of existing MEMS silicon substrate As using the back side formed cavity, surface silicon nitride, silica etc. formed supporting layer, insulation insulating layer, then formed above Heating structure, still, one side silicon itself are the good conductors of heat, and thermal loss will affect working efficiency during the work time, separately On the one hand when etching silicon back chamber, Surface Oxygen SiClx and silicon nitride film is often damaged, its yield of devices is influenced.
Summary of the invention
The main purpose of the present invention is to provide a kind of micro- heating plate of composite construction, manufacture craft is simple, can be in height Temperature lower work, long service life, to overcome the deficiencies in the prior art.
Another object of the present invention is to provide a kind of methods of micro- heating plate for making the composite construction.
For realization aforementioned invention purpose, the technical solution adopted by the present invention includes:
The embodiment of the invention provides a kind of micro- heating plates of composite construction comprising the first substrate and is successively set on The first insulating layer, thermal insulation layer, heating layer, second insulating layer and the test layer of first substrate first surface, first substrate Second surface is formed with cavity structure, the second surface and the opposite facing setting of first surface.
The embodiment of the invention also provides a kind of production methods of micro- heating plate of composite construction comprising:
It processes to form cavity structure in the second surface of one first substrate;
It is successively grown in one second substrate surface and forms thermal insulation layer and the first insulating layer;
First insulating layer is bonded with the first surface of first substrate, the first surface and second surface phase Back to removing second substrate later;
Heating layer, second insulating layer and test layer are sequentially formed on the thermal insulation layer.
In some embodiments, aforementioned first substrate uses quartz substrate, especially high-purity quartz substrate.
In some embodiments, aforementioned second substrate uses monocrystalline substrate (that is, Silicon Wafer).
The embodiment of the invention also provides micro- heating plates of the composite construction in preparing the application in micro- heating sensor.
Compared with prior art, simple and strong in structure, the high reliablity of micro- heating plate of composite construction provided by the invention, Stability is good, especially has efficient heating properties, while its preparation process is simply easily operated, can use MEMS work Skill Rapid Implementation, is adapted for industrialized production.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of micro- heating plate of composite construction in an exemplary embodiments of the invention;
Fig. 2 is a kind of preparation technology flow chart of micro- heating plate of composite construction in an exemplary embodiments of the invention;
Fig. 3 is a kind of preparation process schematic diagram of micro- heating plate of composite construction in an exemplary embodiments of the invention.
Specific embodiment
As previously mentioned, inventor is studied for a long period of time and largely practiced in view of many defects of the existing technology, obtain To propose technical solution of the present invention.The technical solution, its implementation process and principle etc. will be further explained as follows It is bright.
A kind of production method of the micro- heating plate for composite construction that the one aspect of the embodiment of the present invention provides includes:
It processes to form cavity structure in the second surface of one first substrate;
It is successively grown in one second substrate surface and forms thermal insulation layer and the first insulating layer;
First insulating layer is bonded with the first surface of first substrate, the first surface and second surface phase Back to removing second substrate later;
Heating layer, second insulating layer and test layer are sequentially formed on the thermal insulation layer.
The test layer includes test electrode.The test electrode can be with patterned structures.
In some embodiments, the production method specifically includes: using three-dimensional hot press forming technology, described the The second surface of one substrate is processed to form cavity structure.Wherein, hot-forming by using three-dimensional, it can be to avoid conventional wet process Compound or dry etching technique can significantly improve it to destruction caused by the heating of substrate face or test electrode Yield.
In some embodiments, the production method specifically includes: second substrate is adequately cleaned, The mode of cleaning include pickling, alkali cleaning, organic solvent cleaning, deionized water cleaning in the combination of any one or more, it Vacuum drying or the drying in nitrogen atmosphere afterwards, then successively grown in the second substrate surface and form thermal insulation layer and the first insulating layer.
In some embodiments, the production method specifically includes: exhausted by described first using anode linkage technique Edge layer is bonded with the first surface of first substrate.Using this bonding technology, two kinds of stronger knots of substrate can be made Altogether, guarantee the mechanical strength of device.
In some embodiments, the production method specifically includes: second substrate is removed using reduction process, To make the thermal insulation layer expose, the first substrate is etched later, makes the cavity structure axially through the first substrate.It is such Operation, can make device general levels thinner, can preferably control the fuel factor of heating plate.
In some embodiments, the production method specifically includes: grown using CVD method to be formed it is described heat-insulated At least one of layer, the first insulating layer, second insulating layer.
In some embodiments, the production method specifically includes: grown using PVD method to be formed the heating layer, At least one of test layer.
In some more specific embodiments, the production method be may include steps of:
(1) using three-dimensional hot press forming technology, a cavity is formed at the first substrate (such as high-purity quartz substrate) back side Structure (also known as back chamber), can be round, rectangular etc., the length size of cavity can be in 100um-5000um or so.It is excellent Choosing, in this step, the cavity structure is not along axial direction completely through first substrate, that is, in the cavity structure bottom It is remaining that there are also the composition materials of the first substrate.It so can control the thermal diffusion of heating plate, so that heating plate has good add Thermal effect.
(2) by the second substrate (such as monocrystalline substrate) sufficiently clean, including pickling, alkali cleaning, organic solvent cleaning, go from Sub- water cleaning, it is sufficiently dry in vacuum drying oven or nitrogen drying later.
(3) heat insulation layer (such as silicon nitride layer) and first is grown on a side surface of the second substrate in the way of CVD absolutely Edge layer (such as silicon oxide layer).
(4) anode linkage technique is utilized, the first surface of insulating layer and the first substrate face are bonded together.
(5) remaining second substrate is removed by reduction process, exposes heat insulation layer.
(6) the first substrate is carried on the back extra substrate material above chamber (such as quartz) to remove with dry etch process, exposes the One insulating layer.So device general levels can be made thinner, can preferably control the fuel factor of heating plate.
(7) PVD deposition heating layer is utilized in insulation layer surface.
(8) second insulating layer is deposited in the way of CVD in heating layer surface.
(9) test layer is deposited in the way of PVD on second insulating layer surface.
A kind of micro- heating plate for composite construction that the other side of the embodiment of the present invention provides include the first substrate and It is successively set on the first insulating layer, thermal insulation layer, heating layer, second insulating layer and the test layer of the first substrate first surface, it is described The second surface of first substrate is formed with cavity structure, the second surface and the opposite facing setting of first surface.
Further, first substrate includes quartz substrate.
Further, second substrate includes monocrystalline substrate.
Further, first insulating layer, second insulating layer material include silica, such as can be silica Layer.
Further, the material of the thermal insulation layer includes silicon nitride, such as can be silicon nitride layer.
Further, the material of the heating layer includes metal, such as can be any one in Pt, Mo, W or two kinds The structured metal layer that above combination or its alloy are formed.
Further, the material of the test layer includes metal, such as can be the gold that Au and/or Ag or its alloy are formed Belong to structure sheaf.
In some embodiments, first substrate and the first insulating layer by anode linkage technique in conjunction with.
It is more preferred, first insulating layer, second insulating layer with a thickness of 100nm-5000nm.
It is more preferred, the thermal insulation layer with a thickness of 100nm-5000nm.
It is more preferred, the heating layer with a thickness of 100nm-1000nm.
It is more preferred, the test layer with a thickness of 100nm-1000nm.
More preferred, the cavity structure is axially through first substrate.
More preferred, the length of the cavity structure is having a size of 100 μm -5000 μm.
It is arranged by using structural parameters above-mentioned, can enables the good combination of each structure sheaf in the heating plate Together, facilitate good heating effect, and the yield of integral device can be made to be controlled in higher level.
The other side of the embodiment of the present invention additionally provides micro- heating plate of the composite construction and passes in preparing micro- heating Application in sensor.For example, described device includes micro- heating of aforementioned composite construction the embodiment of the invention provides a kind of device Plate, it is preferred that the apparatus may include micro- heating sensors.
The structure of micro- heating plate of composite construction provided by the invention is simple, secured, high reliablity, stability are good, heating Performance efficiency, while its preparation process is simply easily operated, can use MEMS technology Rapid Implementation, is adapted for industrial metaplasia It produces.
Clear, complete description is carried out to technical solution of the present invention below in conjunction with attached drawing and typical case.
Refering to Figure 1, in an exemplary embodiments of the invention, a kind of micro- heating plate of composite construction includes the One substrate 1 and the first insulating layer 2, thermal insulation layer 3, the heating layer 4, second insulating layer for being successively set on the first substrate first surface 5 and test layer 6, the second surface of first substrate be formed with cavity structure 7, the second surface and first surface are opposite facing Setting.Preferably, the cavity structure is axially through first substrate.
Further, first substrate can use high-purity quartz substrate.
Further, second substrate can use Silicon Wafer, i.e. monocrystalline substrate.
Further, first insulating layer, second insulating layer may each be silicon oxide layer.
Further, the thermal insulation layer can be silicon nitride layer.
Further, the heating layer can be by any one or the two or more combinations or its conjunction in Pt, Mo, W Gold is formed.
Further, the test layer can be is formed by Au and/or Ag or its alloy.
Further, first substrate can be with the first insulating layer by conjunction with anode linkage technique.
Further, first insulating layer, second insulating layer thickness can be 100nm-5000nm.
Further, the thermal insulation layer with a thickness of 100nm-5000nm.
Further, the heating layer with a thickness of 100nm-1000nm.
Further, the test layer with a thickness of 100nm-1000nm.
Further, the length of the cavity structure is having a size of 100 μm -5000 μm.
Micro- heating plate of the embodiment can use MEMS technology production, for example, a kind of method for making micro- heating plate It can be refering to shown in Fig. 2, Fig. 3.The production method specifically comprises the following steps:
(1) prepare high-purity quartz substrate 1, monocrystalline substrate 8, wherein the thickness of quartz substrate can be about 200- The thickness of 500um, monocrystalline substrate can be about 200-500um.
(2) monocrystalline substrate is sufficiently cleaned, comprising: a, with the concentrated sulfuric acid, 85 DEG C are boiled 15 minutes;B, it then uses 50wt% potassium hydroxide solution impregnates 10min;C, with acetone soln ultrasound 15min, deionized water solution ultrasound 15min;Later It is sufficiently dry (120 DEG C of drying about 1h) in vacuum drying oven or nitrogen drying.
(3) growth as the silicon nitride layer 3 of heat insulation layer and is made on a side surface of monocrystalline substrate 8 in the way of CVD For the silicon oxide layer 2 of insulating layer.Silicon nitride layer 3, silicon oxide layer 2 thickness can be respectively 100nm-5000nm.
(4) using three-dimensional hot press forming technology, hot pressing temperature is controlled in 500-800min, pressure is in 20-100kg, in stone 1 back side of English substrate forms a cavity structure 7 ' (also known as back chamber), can be round, rectangular etc., length size can be 100 μm -5000 μm or so.In this step, the cavity structure is not along axial direction completely through first substrate, that is, in the cavity There are also the composition materials of the first substrate to remain for structural base, thickness about 20-50um.
(5) anode linkage technique is utilized, control bonding temperature is in 200-500 degree, and pressure is in 10-200MPa, absolutely by first Edge layer surface is bonded together with the first substrate face.
(6) remaining monocrystalline substrate 8 is removed by reduction process, exposes silicon nitride layer 3.
(7) quartz substrate is carried on the back substrate material extra above chamber to remove with dry etch process, forms cavity structure 7, And expose silicon oxide layer 2.
(8) heating layer 4 is formed using the metals such as PVD deposition Pt, Mo, W or its alloy on 3 surface of silicon nitride layer.The heating The thickness of layer can be 100nm-1000nm.
(9) on 4 surface of heating layer, cvd silicon oxide etc. forms insulating layer 5 in the way of CVD.The thickness of the insulating layer can be with For 100nm-5000nm.
(10) metals such as Au, Ag are deposited in the way of PVD on 5 surface of insulating layer or its alloy is formed plus test layer 6.The survey The thickness for trying layer can be 100nm-1000nm.
The process conditions of the CVD, PVD, the dry etching that use in aforementioned production method etc. may each be known to industry.
In the production method that the embodiment provides, by the bonding face of Silicon Wafer, being pre-formed certain thickness oxygen Change layer and nitration case as support, and, in the good cavity structure of quartz substrate back side pre-production, then by Silicon Wafer and high-purity Quartz substrate combines, and forms the synthesis of silicon and quartz, can then form micro- heating using quartz substrate as support construction Plate, up to achieving efficient heating properties.The production method is simply easily operated, and it is quickly real to can use MEMS technology Apply, be suitable for large-scale production, and make the simple and strong in structure of micro- heating plate of composite construction formed, heating efficiency it is high, High reliablity, good operating stability.
Technology contents and technical characteristic of the invention have revealed that as above, however those skilled in the art still may base Make various replacements and modification without departing substantially from spirit of that invention, therefore, the scope of the present invention in teachings of the present invention and announcement It should be not limited to the revealed content of embodiment, and should include various without departing substantially from replacement and modification of the invention, and be this patent Shen Please claim covered.

Claims (10)

1. a kind of production method of micro- heating plate of composite construction, characterized by comprising:
It processes to form cavity structure in the second surface of one first substrate;
It is successively grown in one second substrate surface and forms thermal insulation layer and the first insulating layer;
First insulating layer is bonded with the first surface of first substrate, the first surface is opposite with second surface It is right, second substrate is removed later;
Heating layer, second insulating layer and test layer are sequentially formed on the thermal insulation layer.
2. production method as described in claim 1, it is characterised in that specifically include: using three-dimensional hot press forming technology, in institute The second surface for stating the first substrate is processed to form cavity structure.
3. production method as described in claim 1, it is characterised in that specifically include: being carried out to second substrate adequately clear Wash, the mode of cleaning include pickling, alkali cleaning, organic solvent cleaning, deionized water cleaning in the combination of any one or more, Vacuum drying later or the drying in nitrogen atmosphere, then successively grown in the second substrate surface and form thermal insulation layer and the first insulation Layer.
4. production method as described in claim 1, it is characterised in that specifically include: using anode linkage technique by described first Insulating layer is bonded with the first surface of first substrate.
5. production method as described in claim 1, it is characterised in that specifically include: using reduction process removal second lining Bottom etches the first substrate later, makes the cavity structure axially through the first substrate so that the thermal insulation layer be made to expose.
6. production method as described in claim 1, it is characterised in that specifically include: grown using CVD method to be formed it is described every At least one of thermosphere, the first insulating layer, second insulating layer;And/or it is grown using PVD method and to form the heating layer, test At least one of layer.
7. manufacturing method according to claim 1, it is characterised in that: first substrate includes quartz substrate;And/or Second substrate includes monocrystalline substrate;And/or the material of first insulating layer, second insulating layer includes silica; And/or the material of the thermal insulation layer includes silicon nitride;And/or the material of the heating layer includes metal, the metal includes Any one in Pt, Mo, W or two or more combinations;And/or the material of the test layer includes metal, the metal packet Include Au and/or Ag;And/or first substrate and the first insulating layer by anode linkage technique in conjunction with;And/or described first Insulating layer, second insulating layer with a thickness of 100nm-5000nm;And/or the thermal insulation layer with a thickness of 100nm-5000nm; And/or the heating layer with a thickness of 100nm-1000nm;And/or the test layer with a thickness of 100nm-1000nm;With/ Or, the cavity structure is axially through first substrate;And/or the length of the cavity structure is having a size of 100 μ m-5000μm。
8. a kind of micro- heating plate of composite construction, it is characterised in that including the first substrate and be successively set on the first substrate first The second surface of first insulating layer, thermal insulation layer, heating layer, second insulating layer and the test layer on surface, first substrate is formed There are cavity structure, the second surface and the opposite facing setting of first surface.
9. micro- heating plate of composite construction according to claim 8, it is characterised in that: first substrate includes quartz lining Bottom;And/or the material of first insulating layer, second insulating layer includes silica;And/or the material of the thermal insulation layer includes Silicon nitride;And/or the material of the heating layer includes metal, the metal include any one or two kinds in Pt, Mo, W with On combination;And/or the material of the test layer includes metal, the metal includes Au and/or Ag;And/or described first Substrate and the first insulating layer by anode linkage technique in conjunction with.
10. micro- heating plate of composite construction according to claim 8 or claim 9, it is characterised in that: first insulating layer, Two insulating layers with a thickness of 100nm-5000nm;And/or the thermal insulation layer with a thickness of 100nm-5000nm;And/or it is described Heating layer with a thickness of 100nm-1000nm;And/or the test layer with a thickness of 100nm-1000nm;And/or the sky Cavity configuration is axially through first substrate;And/or the length of the cavity structure is having a size of 100 μm -5000 μm.
CN201811622329.6A 2018-12-28 2018-12-28 Micro- heating plate of composite construction and preparation method thereof Pending CN109587846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811622329.6A CN109587846A (en) 2018-12-28 2018-12-28 Micro- heating plate of composite construction and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811622329.6A CN109587846A (en) 2018-12-28 2018-12-28 Micro- heating plate of composite construction and preparation method thereof

Publications (1)

Publication Number Publication Date
CN109587846A true CN109587846A (en) 2019-04-05

Family

ID=65933358

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811622329.6A Pending CN109587846A (en) 2018-12-28 2018-12-28 Micro- heating plate of composite construction and preparation method thereof

Country Status (1)

Country Link
CN (1) CN109587846A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116170906A (en) * 2022-12-06 2023-05-26 东北林业大学 MEMS micro-heater of supporting beam and manufacturing method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101608962A (en) * 2009-06-09 2009-12-23 华中科技大学 A kind of micro Pirani gage
CN106744652A (en) * 2017-02-10 2017-05-31 苏州甫电子科技有限公司 Micro- heating chip and its manufacture method and the applications of MEMS of composite construction
CN107500244A (en) * 2017-08-15 2017-12-22 河北美泰电子科技有限公司 The manufacture method of MEMS flow sensor
KR101842648B1 (en) * 2017-01-25 2018-03-28 한국산업기술대학교산학협력단 Harmful Gas Sensor of MEMS Structure having Embedded Heater
CN108369204A (en) * 2015-12-14 2018-08-03 Ams传感器英国有限公司 Sensed layer constructs
CN209448911U (en) * 2018-12-28 2019-09-27 苏州甫一电子科技有限公司 Micro- heating plate of composite construction

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101608962A (en) * 2009-06-09 2009-12-23 华中科技大学 A kind of micro Pirani gage
CN108369204A (en) * 2015-12-14 2018-08-03 Ams传感器英国有限公司 Sensed layer constructs
KR101842648B1 (en) * 2017-01-25 2018-03-28 한국산업기술대학교산학협력단 Harmful Gas Sensor of MEMS Structure having Embedded Heater
CN106744652A (en) * 2017-02-10 2017-05-31 苏州甫电子科技有限公司 Micro- heating chip and its manufacture method and the applications of MEMS of composite construction
CN107500244A (en) * 2017-08-15 2017-12-22 河北美泰电子科技有限公司 The manufacture method of MEMS flow sensor
CN209448911U (en) * 2018-12-28 2019-09-27 苏州甫一电子科技有限公司 Micro- heating plate of composite construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116170906A (en) * 2022-12-06 2023-05-26 东北林业大学 MEMS micro-heater of supporting beam and manufacturing method thereof

Similar Documents

Publication Publication Date Title
CN106744652B (en) The micro- heating chip of the MEMS of composite construction and its manufacturing method and application
CN209448911U (en) Micro- heating plate of composite construction
JP2005534510A5 (en)
CN110284097B (en) Environmental barrier coating and coating method and application thereof
TW201105571A (en) Method for fabricating hollow nanotube structure
CN110417374A (en) Film bulk acoustic resonator and preparation method thereof
CN109587846A (en) Micro- heating plate of composite construction and preparation method thereof
CN105679882A (en) Method of etching polycrystalline silicon sheet cut by diamond wire
CN113979402A (en) MEMS infrared light source and preparation method thereof
CN110194448A (en) A kind of two-dimensional material of graphene coated or the manufacturing method of graphene
JP5840869B2 (en) Textured single crystal
CN106185784A (en) MEMS infrared light source based on wet pre-release structure and preparation method thereof
US20140314998A1 (en) Porous material for thermal and/or electrical isolation and methods of manufacture
CN104599949A (en) Processing method of deep etching smooth surface based on SiC substrate slice
CN209472775U (en) The micro- heating plate of ceramics of multilayer beam type structure
CN107400876A (en) A kind of method that nano-diamond membrane is graphically made using copper film
CN112938892B (en) Porous silicon heat insulation supported high-temperature heat flow sensor and preparation method thereof
CN104089990B (en) A kind of relative humidity sensor of single-chip integration porous silicon and preparation method thereof
CN116334554A (en) Production process of platinum resistance temperature sensor chip
CN214360245U (en) Ceramic suspension beam type MEMS micro-heating plate
CN109467044A (en) Single chip integrated CMOS adds the micro-heater and preparation method of MEMS
CN109495994A (en) Micro- heating plate of ceramics of multilayer beam type structure and preparation method thereof
CN104715994B (en) Inductive type plasma process chamber and its anticorrosive insulated window and manufacture method
CN114112085A (en) Manufacturing method of high-efficiency MEMS high-temperature film thermocouple sensor
CN113461442A (en) Method for improving CMAS resistance of thermal barrier coating and CMAS-resistant workpiece

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination