CN110517943A - Ion transmission interface device - Google Patents
Ion transmission interface device Download PDFInfo
- Publication number
- CN110517943A CN110517943A CN201910759586.2A CN201910759586A CN110517943A CN 110517943 A CN110517943 A CN 110517943A CN 201910759586 A CN201910759586 A CN 201910759586A CN 110517943 A CN110517943 A CN 110517943A
- Authority
- CN
- China
- Prior art keywords
- ion
- conductive plate
- ion transmission
- transmission hole
- insulation board
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 126
- 238000009413 insulation Methods 0.000 claims abstract description 53
- 238000000926 separation method Methods 0.000 claims abstract description 27
- 102000004310 Ion Channels Human genes 0.000 claims abstract description 26
- 239000012535 impurity Substances 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 13
- 239000000919 ceramic Substances 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract description 4
- 150000002500 ions Chemical class 0.000 description 130
- 108090000862 Ion Channels Proteins 0.000 description 17
- 230000005684 electric field Effects 0.000 description 9
- 239000002360 explosive Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000065 atmospheric pressure chemical ionisation Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/10—Ion sources; Ion guns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The invention discloses a kind of ion transmission interface devices, comprising: shell, separation cone, ion channel, conductive plate and insulation board；Shell provides the cavity environment of vacuum for the transmission to charged ion；Separation cone, for guiding charged ion to enter ion channel；Conductive plate is installed on insulation board；The ion transmission hole of conductive plate and the ion transmission hole of insulation board separate the direction of cone towards ion transmission hole on same horizontal line；Conductive plate with separate potential difference gradually the successively decreasing along conductive plate to the direction for separating cone between cone, charged ion sequentially passes through conductive plate according to the gradient of potential difference by ion transmission hole, insulation board, separation are bored, and into ion channel.The technical problem to be solved by the present invention is to improve ion transmission efficiency of the charged ion from ion source to ion channel, and then promote mass spectrometric sensitivity while preventing the particle not charged and other impurity enter ion transmission hole.
Description
Technical field
The present invention relates to mass spectrographic analysis equipment technical fields, and in particular to a kind of ion transmission interface device.
Background technique
The atmospheric pressure ionizationion that existing triple level four bars mass spectrographs use is generally electric spray ion source ESI, atmospheric pressure
Chemical ionization source APCI, ion of the charged ion from ion source to interface arrangement again to this part of the ion channel of vacuum transmit damage
Mistake rate is affected for mass spectrograph sensitivity.
Traditional ion transmission is in order not to allow the particle not charged and other impurity to enter interface arrangement, when ion source is sprayed
Charged ion directly would generally be sent into interface arrangement in vertical manner, but the ion transmission efficiency of this mode is lower, also
It has part charged ion and does not enter interface arrangement, mass spectrometric sensitivity is caused to decline.
And since ion transmission efficiency is lower, ion source obtains sustained firing and goes out more charged ions, could will be enough
Charged ion is sent into interface arrangement, and then extends the working time of equipment.
Summary of the invention
The technical problem to be solved by the present invention is to prevent the particle not charged and other impurity from entering ion transmission hole
Meanwhile ion transmission efficiency of the charged ion from ion source to ion channel is improved, and then promote mass spectrometric sensitivity.
In order to solve the technical problem, ion transmission interface device, comprising: shell, separation cone, ion channel, conductive plate
And insulation board；Shell provides the cavity environment of vacuum for the transmission to charged ion；Separation cone, for guiding charged ion
Into ion channel；Ion channel, ion channel are docked with cone is separated；Conductive plate is installed on insulation board；Conductive plate and insulation
The ion transmission hole for conveying charged ion is equipped in the middle part of plate, the ion transmission hole of conductive plate and the ion of insulation board pass
Defeated hole is on same horizontal line, and the direction of the separation cone is towards ion transmission hole；Conductive plate with separate cone between have electricity
Potential difference, potential difference gradually successively decreasing to the direction of separation cone along the conductive plate, charged ion is by ion transmission hole according to electricity
The gradient of potential difference sequentially passes through conductive plate, insulation board, separation cone, and enters ion channel.
Ion transmission interface device makes charged ion from conductive plate since the electric field around conductive plate attracts charged ion
And enter at the ion transmission hole of insulation board, and electric field to conductive plate outside charged ion in the particle not charged that mixes and its
Its impurity is without any active force, therefore the particle not charged and other impurity not can enter ion transmission hole, and charged ion enters
When ion transmission hole, due to potential difference gradually successively decreasing along the direction that the conductive plate to separation is bored, charged ion passes through ion
Transmission hole sequentially passes through conductive plate, insulation board, separation cone, and enters ion channel, and the electric field around conductive plate is to charged ion
Active force more charged ion can be entered ion transmission hole, ensure that the ion transmission efficiency of charged ion.
The insulation board includes the first insulation board, the second insulation board, and first conductive plate is installed on the first insulation board
On, second conductive plate is installed on the second insulation board, first insulation board by the first conductive plate and the second conductive plate it
Between insulate and separate, the ion transmission hole includes the first ion transmission hole and the second ion transmission hole, first conductive plate
And the first ion transmission hole on insulation board is the first ion transmission hole, on second conductive plate and the second insulation board from
Sub- transmission hole is the second ion transmission hole.
The ion transmission hole further includes having third ion transmission hole, and the third ion transmission hole is set to separation cone
On, separation cone enters ion channel by third ion transmission hole guidance charged ion, the first ion transmission hole, the
Two ion transmission holes, third ion transmission hole and ion channel are on same horizontal line.
Charged ion outside ion transmission interface device is due to the active force by electric field in the first conductive plate, electrification
Ion enters ion transmission interface device from the first ion transmission hole, and the particle and other impurity not charged due to not by
Active force to electric field repels outside ion transmission interface device, due to the first ion transmission hole, the second ion transmission hole, the
On same horizontal line, charged ion is transmitted along the gradient of potential difference from the first ion for three ion transmission holes and ion channel
Hole is transmitted to the second ion transmission hole, then is transmitted to third ion transmission hole from the second ion transmission hole, so by third from
Sub- transmission hole is transmitted to ion channel.
First insulation board separates insulation between the first conductive plate and the second conductive plate, and the first conductive plate is avoided to lead with second
Electric plate contact and influence charged ion in the laser propagation effect of ion transmission hole.
It further, include to be connect for blowing out blowback air and taking away the blowback air of not electrically charged particle and other impurity
Head, blowback air connector are installed on first insulation board, blowing direction the first ion transmission hole of direction of blowback air connector,
The gap that the first ion transmission hole is blowed to blowback air is equipped between first conductive plate and the first insulation board.
The blowback air of blowback air connector blowout is in gap, and blowback air is ejected from the first ion transmission hole, in injection
The particle not charged and other impurity that mix in charged ion that will enter the first ion transmission hole, electrification are blown away simultaneously
Effect of the ion by electrical field attraction, and the injection dynamics of blowback air is less than the attraction of electric field, therefore charged ion will not be by
Blowback air is blown away, and the blowback air ejected from the first ion transmission hole can further prevent the particle not charged and other impurity
Into the first ion transmission hole, keep ion transmission efficiency higher, mass spectrometric sensitivity is more preferable.
It further, further include having ceramic heat ring and snap ring, the ceramic heat ring is contacted with second conductive plate,
Ceramic heat ring is connected on the second conductive plate by snap ring, the ceramic heat is equipped with for heating to ceramic heat ring
Heating contact, the sense contact for detecting ceramic heat circumstance temperature degree, the heating contact is circumferential outer relative to ceramic heat
Protrusion, sense contact is relative to ceramic heat circumferential direction outer lug.
The setting of ceramic heat ring can heat the second conductive plate, and the second conductive plate is made to be heated to that the temperature of drop can be vaporized
Degree prevents charged ion to be attached on the second conductive plate during the transmission of ion transmission hole, further increases charged ion
Efficiency of transmission；Snap ring can connect and fix ceramic heat ring；Outwardly convex heating contact and sense contact can be avoided and lead
There is the case where poor contact when heating and temperature sensor in electric thimble.
Conductive thimble heats ceramic heat ring by heating contact, when sense contact senses ceramic heat ring quilt
When being heated to certain temperature, conductive thimble stops heating or is converted into keeping warm mode, and ceramic heat ring is made to maintain temperature appropriate
It spends in range.
Elastic component for withstanding the conductive thimble on the second conductive plate, the elasticity are installed on second insulation board
Part includes spring and metal pedestal, and one end of the elastic component is withstood on conductive thimble, and the other end of elastic component withstands on metal pedestal
On, the conducting top needle set on the second conducting rod has partial region to be set on spring.
Elastic component is in pressured state, in order to squeeze conductive thimble, make conductive thimble be tightly attached to heating contact and
In sense contact, further avoid the case where poor contact occur when conductive thimble is contacted with ceramic heat ring.
It should be understood that
1, aforementioned " first, second ... " does not represent specific quantity and sequence, is only used for the differentiation to title.
2, in the description of the present invention, it is to be understood that, the orientation or positional relationship of the instructions such as term " on ", "lower" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified equipment or element must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
3, aforementioned " ceramic heat ring " is made of ceramic material, and " metal pedestal " is made of metallic copper or Cu alloy material.
Detailed description of the invention
Fig. 1 is the entity structure diagram of the ion transmission interface device of the embodiment of the present invention；
Fig. 2 is the explosive view of the ion transmission interface device of the embodiment of the present invention；
Fig. 3 is the cross-sectional view of the ion transmission interface device of the embodiment of the present invention；
Fig. 4 is the partial structurtes enlarged drawing in Fig. 3；
Fig. 5 is the partial structurtes enlarged drawing in Fig. 3；
Fig. 6 is that the first conductive plate of the embodiment of the present invention is mounted on the entity structure diagram on the first insulation board；
Fig. 7 is the explosive view in Fig. 6；
Fig. 8 is that the second conductive plate of the embodiment of the present invention is mounted on the explosive view on the second insulation board；
Fig. 9 is the main view of the ceramic heat ring of the embodiment of the present invention；
Description of symbols:
110, shell, 120, separation cone, 130, ion channel, 131, charged ion, 140, conductive plate, 141, first is conductive
Plate, the 142, second conductive plate, 150, insulation board, the 151, first insulation board, the 152, second insulation board, 160, ion transmission hole,
161, the first ion transmission hole, the 162, second ion transmission hole, 163, third ion transmission hole, 170, blowback air connector, 171,
Gap, 180, ceramic heat ring, 181, heating contact, 182, sense contact, 190, snap ring, 210, conductive thimble, 220, elasticity
Part, 221, spring, 222, metal pedestal, 230, vacuum pump interface.
Specific embodiment
The embodiment of the present invention is described in detail below.
As shown in Figure 1 and Figure 2, the ion transmission interface device of the present embodiment has shell, separation cone, ion channel 130, shell
Body is to provide the cavity environment of vacuum in the transmission of ion transmission interface device whole interior for charged ion, and insulation board 150 is made
Guarantee charged ion in ion transmission hole 160 and separation cone for fixing conductive plate 140 for the installation pedestal of conductive plate 140
Stablize transmission, charged ion is attracted by the electric field of conductive plate 140, and makes charged ion along the gradient of potential difference by charged ion
Ion channel 130 is transmitted to from ion transmission hole 160.
Referring next to Fig. 3, in the present embodiment, potential difference along 141 to the second conductive plate of the first conductive plate 142,
The direction for arriving the separation cone again is gradually successively decreased, and the potential for separating cone is infinitely close to 0, and charged ion is according to the ladder of potential difference
Degree is successively from the ion of the first conductive plate 141, the first insulation board 151, the second conductive plate 142, the second insulation board 152 and separation cone
It is passed through in transmission hole 160, and continues to transmit by separation cone guiding charged ion, until charged ion enters ion channel 130.
Please continue to refer to Fig. 3, for ion source during generating charged ion, charged ion, which also mixes, has part not charge
Particle and other impurity, passed to prevent the particle not charged and other impurity from entering ion by the first ion transmission hole 161
Defeated interface arrangement, gap of the blowback air that blowback air connector 170 is blown out between the first conductive plate 141 and the first insulation board 151
171, and the blowback air in gap 171 is blown out by the first ion transmission hole 161, in order to blow away in the first ion transmission hole
The particle not charged and other impurity of 161 outer vicinity, in the present embodiment, the blowback air that blowback air connector 170 is blown out
It is the nitrogen with high-purity.
In the present embodiment, the conductive thimble 210 of the first conductive plate 141 and the conductive thimble 210 of the second conductive plate 142 divide
Different and independent power supply (not shown) there are two Dui Ying not being electrically connected.That is: an independent power supply is by power output
To the conductive thimble 210 for being located at the first conductive plate 141, another independent power supply is by power output to being located at the second conductive plate
142 conductive thimble 210, the conductive thimble 210 of the potential of the conductive thimble 210 of the first conductive plate 141 than the second conductive plate 142
Potential it is low.
Fig. 1 to Fig. 3 please be participate in, in the present embodiment, vacuum pump interface 230 installs vacuum pump body, and vacuum pump body passes through true
Empty pump interface 230 extracts the air of enclosure interior, so that the inside of shell reaches the cavity environment of vacuum, it is the biography of charged ion
It is defeated that stable vacuum environment guarantee is provided.
Please refer to Fig. 4, Fig. 5, it can be seen that charged ion sequentially passes through the after the entrance of the first ion transmission hole 161
Two ion transmission holes 162, third ion transmission hole 163, enter back into ion channel 130, wherein separate the third ion transmission of cone
The diameter in hole 163 is 2 millimeters, and the guidance of third ion transmission hole 163 that charged ion is 2 millimeters via diameter is transferred into ion
Transmission hole 160.
Fig. 5, Fig. 9 are please referred to, in a preferred embodiment, the embodiment of the present invention can also include elastic component 220 and pottery
Porcelain heats ring 180, and the metal pedestal 222 of the elastic component 220 in Fig. 5 withstands spring 221, and the spring 221 of elastic component 220 withstands and leads
Electric thimble 210, the heating contact 181 for the ceramic heat ring 180 for being attached to conductive thimble 210 tightly in Fig. 5, Fig. 9 and induction touching
On point 182, conductive thimble 210 is squeezed by spring 221, which is tightly attached to heating contact 181 and sense contact
Stress on 182 is squeezed state.
Fig. 6, Fig. 7 are please referred to, from the point of view of the first conductive plate 141 and the first insulation board 151 are explosive, it can be seen that conductive thimble
210 in the installation situation of installation situation and blowback air connector 170 on the first insulation board 151 on the first conductive plate 141,
Therefore, the electric field source of the first conductive plate 141 can be by 210 power Transmission of conductive thimble that is mounted on the first conductive plate 141
Caused, the blowback air that blowback air connector 170 is blown out just can be in the gap between the first conductive plate 141 and the first insulation board 151
In 171.
Fig. 8, Fig. 9 are please referred to, the snap ring 190 in the present embodiment connects and fixes ceramic heat ring 180, conductive thimble 210
When needing to be maintained maintenance to the heating for a long time of ceramic heat ring 180, snap ring 190 is dismantled, ceramic heat ring just can be taken out
180, it is easy to operate.
Please continue to refer to Fig. 5, Fig. 8, ceramic heat ring 180 can heat the second conductive plate 142, can be with from Fig. 5
Find out that the third ion transmission hole 163 of separation cone is closer with 142 position of the second conductive plate, the second conductive plate 142 is heated to centainly
After temperature, it is not difficult to find out that, ambient temperature and separation cone also have certain temperature, to avoid charged ion in ion transmission hole
Be attached to around the second ion transmission hole 162 of the second conductive plate 142 during 160 transmission due to liquefaction and
Around the third transmission hole for separating cone, the ion transmission efficiency of charged ion can also be improved.
The above is only specific embodiments of the present invention, are not limited the scope of protection of the present invention with this；Do not violating this hair
Made any replacement and improvement, category protection scope of the present invention on the basis of bright design.
Claims (9)
1. ion transmission interface device, comprising:
Shell provides the cavity environment of vacuum for the transmission to charged ion；
Separation cone, is taken away for allowing charged ion to pass through and most blowback air being separated with mechanical pump；
Ion channel, the ion channel are docked with cone is separated；
It is characterized in that, the ion transmission interface device further includes conductive plate and insulation board, the conductive plate is installed on insulation
On plate；
The ion transmission hole for conveying charged ion is equipped in the middle part of the conductive plate and insulation board, the ion of conductive plate passes
The ion transmission hole of defeated hole and insulation board is on same horizontal line, and the direction of the separation cone is towards ion transmission hole；
The conductive plate has potential difference with separating between cone, potential difference gradually being passed along the direction of the conductive plate to separation cone
Subtract, charged ion sequentially passes through conductive plate, insulation board, separation cone according to the gradient of potential difference by ion transmission hole, and enters
Ion channel.
2. ion transmission interface device as described in claim 1, which is characterized in that the conductive plate include the first conductive plate,
Second conductive plate has potential difference between first conductive plate and the second conductive plate, the potential difference is along first conductive plate
Gradually successively decrease to the second conductive plate, then to the direction of the separation cone.
3. ion transmission interface device as claimed in claim 2, which is characterized in that the insulation board include the first insulation board,
Second insulation board, first conductive plate are installed on the first insulation board, and second conductive plate is installed on the second insulation board,
First insulation board will between the first conductive plate and the second conductive plate insulation separates, the ion transmission hole include first from
Sub- transmission hole and the second ion transmission hole, the ion transmission hole on first conductive plate and the first insulation board is the first ion
Transmission hole, the ion transmission hole on second conductive plate and the second insulation board is the second ion transmission hole.
4. ion transmission interface device as claimed in claim 3, which is characterized in that the ion transmission hole further include have third from
Sub- transmission hole, the third ion transmission hole are set on separation cone, and the separation cone guides band by third ion transmission hole
Electron ion enters ion channel, the first ion transmission hole, the second ion transmission hole, third ion transmission hole and ion channel
On same horizontal line.
5. ion transmission interface device as claimed in claim 3, which is characterized in that further include having for blowing out blowback air and taking away
The blowback air connector of not electrically charged particle and other impurity, blowback air connector are installed on first insulation board, blowback
The blowing direction of gas connector is equipped between the first conductive plate and the first insulation board and blows to blowback air towards the first ion transmission hole
The gap of first ion transmission hole.
6. the ion transmission interface device as described in any one of claim 2 to 5, which is characterized in that further include having ceramic heat
Ring and snap ring, the ceramic heat ring are contacted with second conductive plate, and ceramic heat ring is connected in second by snap ring and is led
On battery plate, the ceramic heat is equipped with heating contact for heating to ceramic heat ring, for detecting ceramic heat circumstance temperature
The sense contact of degree, the heating contact is relative to ceramic heat circumferential direction outer lug, and sense contact is relative to ceramic heat circumferential direction
Outer lug.
7. ion transmission interface device as claimed in claim 6, which is characterized in that it further include having multiple conductive thimbles, it is described to lead
Electric thimble, which respectively corresponds, to be set on first conductive plate and the second conductive plate, the conductive thimble on second conductive plate
Quantity at least two, the conductive thimble on second conductive plate is contacted with the heating contact, on second conductive plate
Another conductive thimble contacted with the sense contact.
8. ion transmission interface device as claimed in claim 6, which is characterized in that be equipped on second insulation board for pushing up
The firmly elastic component of the conductive thimble on the second conductive plate, the elastic component include spring and metal pedestal, and the one of the elastic component
End is withstood on conductive thimble, and the other end of elastic component is withstood in metal pedestal, and the conducting top needle set on the second conducting rod has part area
Domain is set on spring.
9. the ion transmission interface device as described in any one of claim 2 to 5, which is characterized in that further include having for installing
The vacuum pump interface of vacuum pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759586.2A CN110517943A (en) | 2019-08-16 | 2019-08-16 | Ion transmission interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759586.2A CN110517943A (en) | 2019-08-16 | 2019-08-16 | Ion transmission interface device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110517943A true CN110517943A (en) | 2019-11-29 |
Family
ID=68625470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910759586.2A Pending CN110517943A (en) | 2019-08-16 | 2019-08-16 | Ion transmission interface device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110517943A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113292A (en) * | 2021-10-21 | 2022-03-01 | 广州质谱技术有限公司 | Atmospheric pressure chemical ionization source |
| CN114220727A (en) * | 2021-11-18 | 2022-03-22 | 广州质谱技术有限公司 | Interface device for mass spectrometer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06331616A (en) * | 1993-05-07 | 1994-12-02 | Waters Investments Ltd | Housing for converting electric spray to ion current |
| US20030189170A1 (en) * | 2002-04-09 | 2003-10-09 | Covey Thomas R. | Method of and apparatus for ionizing an analyte and ion source probe for use therewith |
| US20040217280A1 (en) * | 2003-02-14 | 2004-11-04 | Mds Sciex | Atmospheric pressure charged particle discriminator for mass spectrometry |
| US20110204223A1 (en) * | 2010-02-23 | 2011-08-25 | Shimadzu Corporation | Mass Spectrometer |
| CN103794463A (en) * | 2013-11-18 | 2014-05-14 | 韩梅 | Pneumoelectric coupling ion focusing device |
| CN210403657U (en) * | 2019-08-16 | 2020-04-24 | 广州汇弘科技有限公司 | Ion transmission interface device |
-
2019
- 2019-08-16 CN CN201910759586.2A patent/CN110517943A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06331616A (en) * | 1993-05-07 | 1994-12-02 | Waters Investments Ltd | Housing for converting electric spray to ion current |
| US20030189170A1 (en) * | 2002-04-09 | 2003-10-09 | Covey Thomas R. | Method of and apparatus for ionizing an analyte and ion source probe for use therewith |
| US20040217280A1 (en) * | 2003-02-14 | 2004-11-04 | Mds Sciex | Atmospheric pressure charged particle discriminator for mass spectrometry |
| US20110204223A1 (en) * | 2010-02-23 | 2011-08-25 | Shimadzu Corporation | Mass Spectrometer |
| CN103794463A (en) * | 2013-11-18 | 2014-05-14 | 韩梅 | Pneumoelectric coupling ion focusing device |
| CN210403657U (en) * | 2019-08-16 | 2020-04-24 | 广州汇弘科技有限公司 | Ion transmission interface device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113292A (en) * | 2021-10-21 | 2022-03-01 | 广州质谱技术有限公司 | Atmospheric pressure chemical ionization source |
| CN114220727A (en) * | 2021-11-18 | 2022-03-22 | 广州质谱技术有限公司 | Interface device for mass spectrometer |
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