CN207031532U - One kind prepares the trapezoidal seamless evaporation tube of evaporator nickel alloy - Google Patents
One kind prepares the trapezoidal seamless evaporation tube of evaporator nickel alloy Download PDFInfo
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- CN207031532U CN207031532U CN201720602163.6U CN201720602163U CN207031532U CN 207031532 U CN207031532 U CN 207031532U CN 201720602163 U CN201720602163 U CN 201720602163U CN 207031532 U CN207031532 U CN 207031532U
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- seamless
- trapezoidal
- evaporation
- evaporation tube
- evaporator
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Abstract
It the utility model is related to night vision device photoelectricity cathodic coating evaporation coating technique field, provide one kind and prepare the trapezoidal seamless evaporation tube of evaporator nickel alloy, seamless evaporation tube is made by trapezoidal seamless pipe, length is 20 50mm, section is isosceles trapezoid, has a circular hole at the center of trapezoidal seamless evaporation tube section bottom；The material of trapezoidal seamless evaporation tube is nichrome；Trapezoidal seamless evaporation pipe surface entire body is seamless, and tubing thickness is 0.020 ~ 0.050mm；Trapezoidal seamless evaporation tube section 1.5 ~ 4.0mm of upper bottom edge, a height of 1.5 ~ 4.0mm, base angle is 30 ° ~ 80 °.The beneficial effects of the utility model are：Processing technology is simple, easily realizes mechanization, while the evaporator made is easy to the uniform and stable photoelectric conversion rate for obtaining photocathode evaporation layer, improving twilight image booster photoelectric surface；It is ingenious in design, dependable performance, the preparation requirement of the evaporator of a variety of evaporation materials can be met.
Description
Technical field
Night vision device photoelectricity cathodic coating evaporation coating technique field is the utility model is related to, more particularly to one kind prepares evaporator
With the trapezoidal seamless evaporation tube of nickel alloy.
Background technology
Low-light Level Night Vision Technology is to realize photon image-electronic image-photon image with technologies such as vacuum and electron-opticals
Conversion, in transfer process, the enhancing to photon image is realized by the enhancing to electronic image, and then having faint light
A kind of technology of night observation under line illumination.The basic functional principle of low-light level night vision device is：The faint optical picture of target reflection
As entering low-light level tube by object lens, opto-electronic conversion is passed through in low-light level tube, and strengthened, the fluorescent screen being then presented in pipe
On, finally by eyepiece, just it is observed that the target image being enhanced.
The core component of low-light level night vision device is twilight image booster, can be deposited out on photocathode uniformity it is good and
The high coating of purity, it is the key problem in technology for the twilight image booster for obtaining high quality.Existing evaporator is due in structure
In the presence of very big defect：Existing evaporator is all with apertured, and this can greatly improve difficulty of processing, accidentally be easy for leak
Powder；It is relatively low to also result in evaporator mechanical property simultaneously, if air pressure is larger in evaporation process, result even in crack extension and
Powder is leaked, this can cause the pollution of unrepairable to photocathode；Steam is also resulted in if gap processing is uneven
Spillover instability, it is uneven to easily cause the plated film being deposited out.
One kind provided by the utility model prepares the trapezoidal seamless evaporation tube of evaporator nickel alloy, and its processing technology is simple,
Easily realize mechanization；It is ingenious in design, dependable performance, the preparation requirement of the evaporator of a variety of evaporation materials can be met.
Utility model content
The purpose of this utility model existing defects in structure, processed complex aiming at existing evaporation tube, are not easy to grasp
Make, cause process-cycle, cost of manufacture higher, and manufactured evaporator is by evaporating the problems such as obtained coating is not uniform enough,
Provide one kind and prepare the trapezoidal seamless evaporation tube of evaporator nickel alloy, improve production efficiency, reduce production cost, easily realize machine
Tool, basis is provided for the good evaporator of processability.
The utility model one kind prepares the trapezoidal seamless evaporation tube of evaporator nickel alloy, is made by trapezoidal seamless pipe,
Length is 20-50mm, and section is isosceles trapezoid, has a circular hole at the center of the trapezoidal seamless evaporation tube section bottom；
The material of the trapezoidal seamless evaporation tube is nichrome.
Further, the trapezoidal seamless evaporation pipe surface entire body is seamless, and tubing thickness is 0.020 ~ 0.050mm.
Further, the trapezoidal seamless evaporation tube sectional dimension is：1.5 ~ 4.0mm of upper bottom edge, a height of 1.5 ~ 4.0mm,
Base angle is 30 ° ~ 80 °.
Further, the circular hole is located in the trapezoidal seamless evaporation tube center cross-sectional, Circularhole diameter be 1.5 ~
4.0mm。
Further, the trapezoidal seamless evaporation tube is to use solid tubes, and the technique mixed by cold rolling, cold-drawn processes system
Into.
The beneficial effects of the utility model are：Processing technology is simple, easily realizes mechanization, while the evaporator made is easy to
The uniform and stable photoelectric conversion rate for obtaining photocathode evaporation layer, improving twilight image booster photoelectric surface.This practicality is new
Type is ingenious in design, dependable performance, can meet the preparation requirement of the evaporator of a variety of evaporation materials.
Brief description of the drawings
Fig. 1 show that the utility model embodiment is a kind of to be prepared the three of the trapezoidal seamless evaporation tube of evaporator nickel alloy and regard
Figure.
Fig. 2 show a kind of evaporator as made from the trapezoidal seamless pipe of the utility model.
Wherein：1- flattened medials portion, 2- contain material portion, 3- electrodes, 4- circular holes, 5- evaporation materials.
Embodiment
The utility model specific embodiment is described in detail below in conjunction with specific accompanying drawing.It should be noted that following implementations
Example described in technical characteristic or technical characteristic combination be not construed as it is isolated, they can be mutually combined from
And reach superior technique effect.In the accompanying drawing of following embodiments, the identical label that each accompanying drawing occurs represents identical spy
Sign or part, can be applied in different embodiments.
The utility model embodiment one kind prepares the trapezoidal seamless evaporation tube of evaporator nickel alloy, is made by trapezoidal seamless pipe
Form, length L is 20-50mm, and section is isosceles trapezoid, has one at the center of the trapezoidal seamless evaporation tube section bottom
Circular hole；The circular hole can be processed by the method for laser cutting；The material of the trapezoidal seamless evaporation tube is closed for nickel chromium triangle
Gold, to reach more preferably effect, chromium content in nichrome：5~30wt.%.
Preferably, the trapezoidal seamless evaporation pipe surface entire body is seamless, and the trapezoidal seamless evaporation tube can use real
Heart pipe, the technique mixed by cold rolling, cold-drawn are processed into, and tubing thickness d is 0.020 ~ 0.050mm.
Preferably, the trapezoidal seamless evaporation tube sectional dimension is：Upper bottom edge SUpper bottomFor 1.5 ~ 4.0mm, high h is 1.5 ~
4.0mm, base angle are 30 ° ~ 80 °.
Preferably, the circular hole is located in the trapezoidal seamless evaporation tube center cross-sectional, Circularhole diameter D be 1.5 ~
4.0mm。
Seamless evaporator can be made using above-mentioned trapezoidal seamless evaporation tube, specific processing method is：
Step 1: seamless evaporation tube center section is flattened：The trapezoidal seamless evaporation tube of nichrome of appropriate length is selected,
It at its center hole 4, will somewhat be flattened by the region that midpoint, length are 3.0 ~ 8.0mm of the center of circle, form flattened medial portion 1, in
Between leave 0.3 ~ 2.0mm gap, the passage as steam effusion；
Step 2: load evaporation material：The equal evaporation material 5 of gross mass is respectively added at evaporation tube both ends（Formed and contained
Material portion 2）；
Step 3: machined electrode 3：Both ends remainder, which is all flattened, turns into electrode 3, electrode surface and center crush face
Angle is adjusted according to demand, and the evaporator shown in Fig. 1 is obtained when angle is 0 °, when angle is 0 °, that is, is obtained shown in Fig. 2
Evaporator；
Step 4: vacuum evaporation：In 3 two sections of electrified regulations of electrode during vacuum evaporation, material 5 is evaporated when reaching certain temperature
Start to evaporate, obtained steam can escape from reserved center hole 4, equably be vaporized in photo-translating system
Photoelectric surface lens surface.
It is as shown in Figure 2 by seamless evaporator made from above-mentioned steps.
The beneficial effects of the utility model are：Processing technology is simple, easily realizes mechanization, while the evaporator made is easy to
The uniform and stable photoelectric conversion rate for obtaining photocathode evaporation layer, improving twilight image booster photoelectric surface.This practicality is new
Type is ingenious in design, dependable performance, can meet the preparation requirement of the evaporator of a variety of evaporation materials.
Although having been presented for several embodiments of the present utility model herein, those skilled in the art should manage
Solution, in the case where not departing from the utility model spirit, can be changed to the embodiments herein.Above-described embodiment simply shows
Example property, restriction that should not using the embodiments herein as the utility model interest field.
Claims (5)
1. one kind prepares the trapezoidal seamless evaporation tube of evaporator nickel alloy, it is characterised in that the seamless evaporation tube is by trapezoidal nothing
Slit-tube is made, and length 20-50mm, section is isosceles trapezoid, in the trapezoidal seamless evaporation tube section bottom
There is a circular hole at the heart；The material of the trapezoidal seamless evaporation tube is nichrome.
2. trapezoidal seamless evaporation tube as claimed in claim 1, it is characterised in that the trapezoidal seamless evaporation pipe surface entire body without
Gap, tubing thickness are 0.020 ~ 0.050mm.
3. trapezoidal seamless evaporation tube as claimed in claim 1, it is characterised in that the trapezoidal seamless evaporation tube sectional dimension
For：1.5 ~ 4.0mm of upper bottom edge, a height of 1.5 ~ 4.0mm, base angle are 30 ° ~ 80 °.
4. trapezoidal seamless evaporation tube as claimed in claim 1, it is characterised in that the circular hole is located at the trapezoidal seamless evaporation
On tube hub cross section, Circularhole diameter is 1.5 ~ 4.0mm.
5. trapezoidal seamless evaporation tube as claimed in claim 1, it is characterised in that the trapezoidal seamless evaporation tube is using solid
Pipe, the technique mixed by cold rolling, cold-drawn are processed into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720602163.6U CN207031532U (en) | 2017-05-26 | 2017-05-26 | One kind prepares the trapezoidal seamless evaporation tube of evaporator nickel alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720602163.6U CN207031532U (en) | 2017-05-26 | 2017-05-26 | One kind prepares the trapezoidal seamless evaporation tube of evaporator nickel alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207031532U true CN207031532U (en) | 2018-02-23 |
Family
ID=61470170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720602163.6U Expired - Fee Related CN207031532U (en) | 2017-05-26 | 2017-05-26 | One kind prepares the trapezoidal seamless evaporation tube of evaporator nickel alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207031532U (en) |
-
2017
- 2017-05-26 CN CN201720602163.6U patent/CN207031532U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20180526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |