Charged particle counting device and manufacture method thereof
A technology of charged particle and counting device, which is applied in the direction of counting mechanism/item, measuring device, circuit, etc., can solve the problem of single function of charged particle counting device, etc., and achieve the effect of enriching functions
Active Publication Date: 2017-09-26
BOE TECH GRP CO LTD
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Problems solved by technology
[0005] In order to solve the problem that the function of the charged particle counting device in the related art is relatively simple, the embodiment of the present invention provides a charged particle counting device and its manufacturing method
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Embodiment Construction
[0035] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0036] An embodiment of the present invention provides a charged particle counting device, such as figure 1 As shown, the device includes:
[0037] A carbon nanotube transistor 10 , a magnetic induction coil 20 and an analog-to-digital converter 30 .
[0038] Wherein, the gate 101 of the carbon nanotube transistor 10 is electrically connected to one end of the magnetic induction coil 20, the other end of the magnetic induction coil 20 is grounded, and the first pole 102 of the carbon nanotube transistor 10 is electrically connected to the analog-to-digital converter 30 , the second pole 103 of the carbon nanotube transistor 10 is used to load a power supply voltage, and the first pole and the second pole are respectively one of the so...
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The invention discloses a charged particle counting device and a manufacture method thereof and belongs to the field of charged particle measurement. The charged particle counting device comprises a carbon nano tube transistor, a magneto-electric induction coil and an analog-digital converter, wherein a gate of the carbon nano tube transistor is electrically connected with one end of the magneto-electric induction coil, the other end of the magneto-electric induction coil is grounded, a first pole of the carbon nano tube transistor is electrically connected with the analog-digital converter, a second pole of the carbon nano tube transistor is used for loading power supply voltage, and when flow of positively charged particles passes through the magneto-electric induction coil and first induced voltage produced by the magneto-electric induction coil is larger than a default voltage threshold, a channel of the carbon nano tube transistor is an N-type channel; when the flow of negatively charged particles passes through the magneto-electric induction coil and second induced voltage produced by the magneto-electric induction coil is smaller than the default voltage threshold, the channel of the carbon nano tube transistor is a P-type channel. The charged particle counting device solves the problem of single function of the charged particle counting device and is used for counting the charged particles.
Description
technical field [0001] The invention relates to the field of charged particle measurement, in particular to a charged particle counting device and a manufacturing method thereof. Background technique [0002] In many physical or chemical experiments, it is often necessary to count charged particles, such as counting anions or cations in a solution to calculate the concentration of the solution, and detecting the number of charged particles in a vacuum. [0003] In the related art, the charged particle counting device generally includes a magnetic induction coil, a field effect transistor and an analog-to-digital converter. The field effect transistor is divided into an N-type field effect transistor or a P-type field effect The effect tube is electrically connected with the magnetoelectric induction coil. Taking the detection of the number of charged particles in the vacuum as an example, when the particles in the vacuum are negatively charged, the magnetic induction coil c...
Claims
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IPC IPC(8): G06M1/10H10N97/00
CPCG06M1/102G01N2015/0053G01N15/0656G01N2015/0687H01L28/10G01T1/24H10K85/221H10K10/466H10K2102/103H01F38/14G01T1/00H01J37/244H10K10/84H10K10/88H10K39/30
Inventor 雎长城
Owner BOE TECH GRP CO LTD