CN109143309A - A kind of coupling process of photodiode and scintillator material - Google Patents
A kind of coupling process of photodiode and scintillator material Download PDFInfo
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- CN109143309A CN109143309A CN201811043840.0A CN201811043840A CN109143309A CN 109143309 A CN109143309 A CN 109143309A CN 201811043840 A CN201811043840 A CN 201811043840A CN 109143309 A CN109143309 A CN 109143309A
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- scintillator material
- photodiode
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- 239000000463 material Substances 0.000 title claims abstract description 95
- 238000010168 coupling process Methods 0.000 title claims abstract description 56
- 230000003287 optical effect Effects 0.000 claims abstract description 77
- 239000004568 cement Substances 0.000 claims abstract description 40
- 238000005859 coupling reaction Methods 0.000 claims abstract description 30
- 230000008878 coupling Effects 0.000 claims abstract description 29
- 239000003822 epoxy resin Substances 0.000 claims abstract description 16
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 16
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 10
- -1 cyanacrylate Polymers 0.000 claims abstract description 10
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 9
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 9
- 235000011187 glycerol Nutrition 0.000 claims abstract description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 3
- 239000003292 glue Substances 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000004593 Epoxy Substances 0.000 claims description 8
- 238000010009 beating Methods 0.000 claims description 8
- 235000019441 ethanol Nutrition 0.000 claims description 8
- 230000002269 spontaneous effect Effects 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 5
- 230000005622 photoelectricity Effects 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention discloses the coupling process of a kind of photodiode and scintillator material, it is characterized in that, the scintillator material is coupled with the contact surface of photodiode by novel optical medium, the scintillator material and the surrounding in photodiode contact face are adhesively fixed using optical cement, the optical cement can be combined by one or more of epoxy resin, cyanacrylate, polyvinyl alcohol and be formed, and the novel optical medium can be combined by one or more of glycerine, phenyl silicones, methylsiloxane and be formed.The beneficial effects of the present invention are: 1. is versatile, suitable for the coupling between any scintillator material and photodiode；2. the performance of detector can be played farthest, keep the emissivity of scintillator material and coupling layer closest；3. because novel optical medium has brilliant heat resistance, electrical insulating property, weatherability, hydrophobicity, physiological inertia and a lesser surface tension, when coupling, operates more convenient, and the use limitation of detector is smaller after coupling.
Description
Technical field
The present invention relates to photodiode scintillation detector technical fields, more particularly to a kind of photodiode and flashing
The coupling process of body material.
Background technique
The application of scintillation detector has longer history, and major defect is to need electron tube photomultiplier tube,
Consequent is the high voltage power supply for needing high stability, electromagnetic shielding, mechanical protection etc..And silicon photoelectric diode has many
The particular advantages that photomultiplier tube cannot compare, it can work under strong electric field, small in size, stability is good, spectrum spirit
Quick range and scintillator fluorescence Spectra can matched well, average quantum efficiency is about 5 times of photomultiplier tube, therefore photodiode
Scintillation detector is more and more applied in recent years.Photodiode scintillation detector is using semiconductor photo diode
The scintillation detector of (usually silicon PD) couples semiconductor photo diode with scintillator material, when incident radiation (band
Charged particle, gamma-rays, X-ray etc.) when scintillator always releases energy, it is detected using semiconductor photo diode in scintillator
The scintillation light of middle generation.
In the prior art, the coupling process in photodiode scintillation detector between scintillator material and photodiode
There are mainly two types of: method one, using optical cement as coupling layer, and scintillator material and photodiode are carried out face and face
Bonding；Method two, four sides of scintillator material and photodiode are adhesively fixed using optical cement, do not have to appoint between face and face
What medium direct-coupling.In the coupling process of scintillator material and photodiode, the emissivity of intermediate coupling layer is to entire
The performance of detector is affected, if coupling layer differs larger with emissivity of the scintillator material to light, will largely effect on spy
Survey the performance of device.Meanwhile above-mentioned conventional adhesive bonding method has the following defects, method one: 1) existing in optical cement adhesion process
Solidification process, making coupling layer, there are more parameters；2) there are media in optical cement, have to the tranmitting frequency of light unstable
It influences；3) optics adhesivity is too strong, is not easy to secondary installing.Method two: 1) scintillator material and photodiode not can guarantee
Sufficiently coupling；2) there is no a facilitation to the tranmitting frequency of light, opposite there are incompletely coupling phenomenons may cause flashing
The decline of body performance itself.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide the couplings of a kind of photodiode and scintillator material
Method, coupling layer is relatively stable and coupling more sufficiently and conveniently, overcome above-mentioned the deficiencies in the prior art.
In view of the above-mentioned problems, one technical scheme adopted by the invention is that: a kind of photoelectric diode and scintillator material are provided
The coupling process of material, which is characterized in that the contact surface of the scintillator material and photodiode by novel optical medium into
Row coupling, the scintillator material and the surrounding in photodiode contact face are adhesively fixed using optical cement, the coupling process
Specifically includes the following steps:
1) novel optical medium is prepared: under dustless working environment, controlling room temperature between 20 DEG C~25 DEG C, humidity exists
Between 20%~50%, the combination for choosing one or more of glycerine, phenyl silicones, methylsiloxane chemical substance is formed
Novel optical medium, such as novel optical medium is formed by the combination of two or more chemical substance, then first by container
180 DEG C are heated to, then chooses two or more chemical substance adding into that container by quality proportioning and is sufficiently stirred
It is even, it is sealed after its natural cooling stand-by；
2) optical cement is prepared: under dustless working environment, control room temperature between 20 DEG C~25 DEG C, humidity 20%~
Between 50%, the combination for choosing one or more of epoxy resin, cyanacrylate, polyvinyl alcohol chemical substance is formed
Optical cement, such as the optical cement formed by the combination of two or more chemical substance, then by quality proportioning choose two kinds or
Two or more chemistry tissues are added in container and stir, and form chemical glue；
3) contact surface of scintillator material and photodiode is wiped using ethyl alcohol or acetone clean and tidy；
4) uniformly applied using glass bar in the contact surface of scintillator material and spread above-mentioned steps 1) prepared novel light
Learn medium；
5) scintillator material is coated on the fixation position for being placed to photodiode on one side of novel optical medium, is made
It sufficiently bonds between the two face and face and does not interspace；
6) surrounding by glue beating apparatus in scintillator material with photodiode contact face injects above-mentioned steps 2) it is prepared
Optical cement；
7) by the scintillator material coupled and photodiode in the environment of dustless constant temperature after spontaneous curing 24 hours,
Complete the coupling of scintillator material and photodiode.
Preferably, the smearing thickness of the novel optical medium is controlled in 0.2~1mm.
Preferably, the injection height of the optical cement is no more than the 1/5 of scintillator material height.
Preferably, the optical cement is as made by the component of following weight ratio: epoxy resin 80%, epoxy resin is solid
Agent 20%.
Preferably, the novel optical medium is as made by the component of following weight ratio: phenyl silicones 80%, methyl
Siloxanes 20%.
Preferably, the step 6) of the coupling process will be completed to carry out in two hours in step 2).
The beneficial effects of the present invention are: 1. is versatile, suitable between any scintillator material and photodiode
Coupling；2. the performance of detector can be played farthest, keep the emissivity of scintillator material and coupling layer closest；3. because
There is brilliant heat resistance, electrical insulating property, weatherability, hydrophobicity, physiological inertia and smaller for novel optical medium of the invention
Surface tension coupling when operate more convenient, the use limitation of detector is smaller after coupling.
Detailed description of the invention
Fig. 1 is the coupled structure schematic diagram of scintillator material and photodiode of the invention；
The components in the drawings are labeled as follows:
1. scintillator material；2. novel optical medium；3. photodiode；4. optical cement.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Referring to Fig. 1, the coupling process of a kind of photoelectric diode and scintillator material, which is characterized in that the scintillator
Material 1 is coupled with the contact surface of photodiode 3 by novel optical medium 2, the scintillator material 1 and two pole of photoelectricity
The surrounding of 3 contact surface of pipe is adhesively fixed using optical cement 4.
Embodiment 1
A kind of coupling process of photoelectric diode and scintillator material, which is characterized in that the scintillator material and photoelectricity
The contact surface of diode is coupled by novel optical medium, the surrounding of the scintillator material and photodiode contact face
It is adhesively fixed using optical cement, wherein the optical cement is as made by the component of following weight ratio: epoxy resin 80%, ring
Oxygen resin curing agent 20%, the novel optical medium is as made by the component of following weight ratio: phenyl silicones 80%, first
Radical siloxane 20%,
The coupling process specifically includes the following steps:
1) novel optical medium is prepared: under dustless working environment, controlling room temperature between 20 DEG C~25 DEG C, humidity exists
Between 20%~50%, 180 DEG C are first heated the container to, then ratio chooses phenyl silicones 80% and methylsiloxane by weight
20% adding into that container simultaneously stirs, and is sealed after its natural cooling stand-by；
2) optical cement is prepared: under dustless working environment, control room temperature between 20 DEG C~25 DEG C, humidity 20%~
Between 50%, chooses in epoxy resin 80% and the addition container of epoxy curing agent 20% and be sufficiently stirred by quality proportioning
It is even, form chemical glue；
3) contact surface of scintillator material and photodiode is wiped using ethyl alcohol clean and tidy；
4) it is uniformly applied using glass bar in the contact surface of scintillator material and spreads prepared novel optical Jie of step 1)
Matter, smearing thickness 0.2mm；
5) scintillator material is coated on the fixation position for being placed to photodiode on one side of novel optical medium, is made
It sufficiently bonds between the two face and face and does not interspace；
6) in above-mentioned steps 2) it completes in latter two hour, by glue beating apparatus in scintillator material and photodiode contact
The surrounding injecting step 2 in face) prepared optical cement；
7) by the scintillator material coupled and photodiode in the environment of dustless constant temperature after spontaneous curing 24 hours,
Complete the coupling of scintillator material and photodiode.
Embodiment 2
A kind of coupling process of photoelectric diode and scintillator material, which is characterized in that the scintillator material and photoelectricity
The contact surface of diode is coupled by novel optical medium, the surrounding of the scintillator material and photodiode contact face
It is adhesively fixed using optical cement, wherein the optical cement is as made by the component of following weight ratio: epoxy resin 80%, ring
Oxygen resin curing agent 20%, the novel optical medium is as made by the component of following weight ratio: glycerine 100%.
The coupling process specifically includes the following steps:
1) novel optical medium is prepared: being chosen glycerine as novel optical medium, is sealed stand-by；
2) optical cement is prepared: under dustless working environment, control room temperature between 20 DEG C~25 DEG C, humidity 20%~
Between 50%, chooses in epoxy resin 80% and the addition container of epoxy curing agent 20% and be sufficiently stirred by quality proportioning
It is even, form chemical glue；
3) contact surface of scintillator material and photodiode is wiped using ethyl alcohol clean and tidy；
4) it is uniformly applied using glass bar in the contact surface of scintillator material and spreads prepared novel optical Jie of step 1)
Matter, smearing thickness 0.2mm；
5) scintillator material is coated on the fixation position for being placed to photodiode on one side of novel optical medium, is made
It sufficiently bonds between the two face and face and does not interspace；
6) it is completed in latter two hour in step 2), by glue beating apparatus in scintillator material and photodiode contact face
Surrounding injecting step 2) prepared optical cement；
7) by the scintillator material coupled and photodiode in the environment of dustless constant temperature after spontaneous curing 24 hours,
Complete the coupling of scintillator material and photodiode.
Embodiment 3
A kind of coupling process of photoelectric diode and scintillator material, which is characterized in that the scintillator material and photoelectricity
The contact surface of diode is coupled by novel optical medium, the surrounding of the scintillator material and photodiode contact face
It is adhesively fixed using optical cement, wherein the optical cement is as made by the component of following weight ratio: epoxy resin 80%, ring
Oxygen resin curing agent 20%, the novel optical medium is as made by the component of following weight ratio: phenyl silicones 100%.
The coupling process specifically includes the following steps:
1) novel optical medium is prepared: being chosen phenyl silicones as novel optical medium, is sealed stand-by；
2) optical cement is prepared: under dustless working environment, control room temperature between 20 DEG C~25 DEG C, humidity 20%~
Between 50%, chooses in epoxy resin 80% and the addition container of epoxy curing agent 20% and be sufficiently stirred by quality proportioning
It is even, form chemical glue；
3) contact surface of scintillator material and photodiode is wiped using ethyl alcohol clean and tidy；
4) it is uniformly applied using glass bar in the contact surface of scintillator material and spreads prepared novel optical Jie of step 1)
Matter, smearing thickness 0.2mm；
5) scintillator material is coated on the fixation position for being placed to photodiode on one side of novel optical medium, is made
It sufficiently bonds between the two face and face and does not interspace；
6) in above-mentioned steps 2) it completes in latter two hour, by glue beating apparatus in scintillator material and photodiode contact
The surrounding injecting step 2 in face) prepared optical cement；
7) by the scintillator material coupled and photodiode in the environment of dustless constant temperature after spontaneous curing 24 hours,
Complete the coupling of scintillator material and photodiode.
Comparative example 1
By optics glue bond between the photodiode and scintillator material, the optical cement is by following weight part ratio
Made by the component of example: epoxy resin 80%, epoxy curing agent 20%.
Specifically coupling step includes:
1) optical cement is prepared: under dustless working environment, control room temperature between 20 DEG C~25 DEG C, humidity 20%~
Between 50%, chooses in epoxy resin 80% and the addition container of epoxy curing agent 20% and be sufficiently stirred by quality proportioning
It is even, form chemical glue；
2) contact surface of scintillator material and photodiode is wiped using ethyl alcohol clean and tidy；
3) in above-mentioned steps 1) it completes in latter two hour, by glue beating apparatus in scintillator material and photodiode contact
Above-mentioned steps 1 are injected on face) prepared optical cement, smearing thickness 0.2mm；
4) scintillator material is coated on the fixation position for being placed to photodiode on one side of optical cement, makes the two face
It sufficiently bonds between face and does not interspace；
5) by the scintillator material coupled and photodiode in the environment of dustless constant temperature after spontaneous curing 24 hours,
Complete the coupling of scintillator material and photodiode.
Comparative example 2
By optics glue bond between the photodiode and scintillator material, the optical cement is by following weight part ratio
Made by the component of example: cyanacrylate 100%.
Specifically coupling step includes:
1) contact surface of scintillator material and photodiode is wiped using ethyl alcohol clean and tidy；
2) cyanacrylate is injected on scintillator material and photodiode contact face by glue beating apparatus as light
Learn glue, smearing thickness 0.2mm；
3) scintillator material is coated on the fixation position for being placed to photodiode on one side of optical cement, makes the two face
It sufficiently bonds between face and does not interspace；
4) by the scintillator material coupled and photodiode in the environment of dustless constant temperature after spontaneous curing 5 hours,
Complete the coupling of scintillator material and photodiode.
Comparative example 3:
The surrounding of the photodiode and scintillator material contact surface is by optics glue bond, middle vacuum, it is described by
Made by the component of following weight ratio: epoxy resin 80%, epoxy curing agent 20%.
Specifically coupling step includes:
1) optical cement is prepared: under dustless working environment, control room temperature between 20 DEG C~25 DEG C, humidity 20%~
Between 50%, chooses in epoxy resin 80% and the addition container of epoxy curing agent 20% and be sufficiently stirred by quality proportioning
It is even, form chemical glue；
2) contact surface of scintillator material and photodiode is wiped using ethyl alcohol clean and tidy；
3) scintillator material painting is placed on the fixation position of photodiode, makes sufficiently to bond between the two face and face
It does not interspace；
4) it is completed in latter two hour in step 1), by glue beating apparatus in scintillator material and photodiode contact face
Surrounding injects above-mentioned steps 1) prepared optical cement, the injection height of optical cement be no more than scintillator material height five/
One；
5) by the scintillator material coupled and photodiode in the environment of dustless constant temperature after spontaneous curing 24 hours,
Complete the coupling of scintillator material and photodiode.
Embodiment 4
To photodiode detector made of the coupling process using above-described embodiment 1~3 and comparative example 1~3 same
Quantum enhancing rate in one wave band measures, and see the table below.
Table 1: quantum enhancing rate of the photodiode detector in the same band is made in different coupling process
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (6)
1. the coupling process of a kind of photoelectric diode and scintillator material, which is characterized in that the scintillator material and photoelectricity two
The contact surface of pole pipe is coupled by novel optical medium, and the scintillator material and the surrounding in photodiode contact face are adopted
Fixed with optics glue bond, the coupling process specifically includes the following steps:
1) novel optical medium is prepared: under dustless working environment, control room temperature between 20 DEG C~25 DEG C, humidity 20%~
Between 50%, the combination for choosing one or more of glycerine, phenyl silicones, methylsiloxane chemical substance forms novel light
Medium is learned, such as novel optical medium is formed by the combination of two or more chemical substance, then first heated the container to
180 DEG C, then choose two or more chemical substance adding into that container by quality proportioning and stir, to it
It is sealed after natural cooling stand-by；
2) optical cement prepare: under dustless working environment, control room temperature between 20 DEG C~25 DEG C, humidity 20%~50% it
Between, the combination for choosing one or more of epoxy resin, cyanacrylate, polyvinyl alcohol chemical substance forms optics
Glue, such as optical cement are formed by the combination of two or more chemical substance, then choose two kinds or two kinds by quality proportioning
The above chemistry tissue is added in container and stirs, and forms chemical glue；
3) contact surface of scintillator material and photodiode is wiped using ethyl alcohol or acetone clean and tidy；
4) uniformly being applied using glass bar in the contact surface of scintillator material and spread above-mentioned steps 1) prepared novel optical is situated between
Matter；
Both 5) scintillator material is coated on the fixation position for being placed to photodiode on one side of novel optical medium, make
It sufficiently bonds between face and face and does not interspace；
6) the surrounding injection above-mentioned steps 2 by glue beating apparatus in scintillator material Yu photodiode contact face) prepared light
Learn glue；
7) scintillator material coupled and photodiode after spontaneous curing 24 hours, are completed in the environment of dustless constant temperature
The coupling of scintillator material and photodiode.
2. the coupling process of a kind of photoelectric diode and scintillator material according to claim 1, which is characterized in that described
The smearing thickness of novel optical medium is controlled in 0.2~1mm.
3. the coupling process of a kind of photoelectric diode and scintillator material according to claim 1, which is characterized in that described
The injection height of optical cement is no more than the 1/5 of scintillator material height.
4. the coupling process of a kind of photoelectric diode and scintillator material according to claim 1, which is characterized in that described
Optical cement is as made by the component of following weight ratio: epoxy resin 80%, epoxy curing agent 20%.
5. the coupling process of a kind of photoelectric diode and scintillator material according to claim 1, which is characterized in that described
Novel optical medium is as made by the component of following weight ratio: phenyl silicones 80%, methylsiloxane 20%.
6. the coupling process of a kind of photoelectric diode and scintillator material according to claim 1, which is characterized in that described
The step 6) of coupling process will be completed to carry out in two hours in step 2).
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|---|---|---|---|
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| CN206671573U (en) * | 2017-04-18 | 2017-11-24 | 陕西秦洲核与辐射安全技术有限公司 | A kind of dose of radiation survey monitor based on mobile Internet |
| CN108107463A (en) * | 2017-12-12 | 2018-06-01 | 宁波虔东科浩光电科技有限公司 | A kind of scintillating ceramic array and preparation method thereof |
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Inventor after: Shen Haining Inventor after: Wang Xinjia Inventor after: Qin Haiming Inventor before: Shen Haining Inventor before: Qin Haiming Inventor before: Wang Xinjia |