CN109633225A - A kind of production technology of circuit board detecting testing needle - Google Patents
A kind of production technology of circuit board detecting testing needle Download PDFInfo
- Publication number
- CN109633225A CN109633225A CN201811606754.6A CN201811606754A CN109633225A CN 109633225 A CN109633225 A CN 109633225A CN 201811606754 A CN201811606754 A CN 201811606754A CN 109633225 A CN109633225 A CN 109633225A
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- CN
- China
- Prior art keywords
- testing needle
- processed
- laser
- circuit board
- needle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R3/00—Apparatus or processes specially adapted for the manufacture or maintenance of measuring instruments, e.g. of probe tips
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a kind of production technologies of circuit board detecting testing needle, and pulse laser is connected power supply, and booting adjusts pulsed laser energy, sets laser emission time as 1-3ms；Testing needle to be processed is fixed by special fixture, adjusts pulse laser launch angle, laser is focused at the top of testing needle to be processed at 0.2-0.6mm；To protective gas, trigger pulse laser is applied at the top of testing needle to be processed, laser moment to heating at the top of testing needle to be processed, makes to melt glomeration at the top of testing needle to be processed；After laser is decorporated, continues to protective gas 2-4s and protected, testing needle finished product is made；The testing needle to be processed more renewed repeats the above production process.The present invention provides a kind of designs rationally, the production technology of high production efficiency, good product quality, energy-saving and environment-friendly circuit board detecting testing needle.
Description
Technical field
The present invention relates to testing needle technical fields, and in particular to a kind of production technology of circuit board detecting testing needle.
Background technique
Testing needle is used for circuit board testing, is generally assemblied in dedicated test fixture, for convenient for circuit test access point
Contact generally requires to be spherical at the top of testing needle convenient for the cooperation of testing needle and spring, due to test circuit board increasingly
It is small, so the requirement to testing needle is also more and more accurate.
Laser is the new light sources of discovery the 1960s, and with good directionality, brightness is high, monochromaticjty is good and high-energy is close
The features such as spending.Laser industry based on laser is swift and violent in global evolution, laser be now widely used in industrial production,
Communication, information processing, health care, military affairs, culture and education and scientific research etc., laser processing are a kind of non-contacting materials
Processing method has many advantages, such as that heat affecting is small, and speed is fast, and not yet discovery leads laser technology applied to testing needle production so far
Domain.
The production method of conventional measurement test point is using artificial under the microscope by the bead manual welding of end in testing needle
On, under this process efficiency is very low, product quality not can guarantee, this problems demand solves.
Summary of the invention
In view of the shortcomings of the prior art, designing reasonable, high production efficiency, good product quality, energy conservation the present invention provides a kind of
The production technology of the circuit board detecting testing needle of environmental protection.
To realize goal of the invention, the invention adopts the following technical scheme:
A kind of production technology of circuit board detecting testing needle, includes the following steps:
Step 1, pulse laser is connected into power supply, be switched on, adjust pulsed laser energy, set laser emission time as
1-3ms；
Step 2, testing needle to be processed is fixed by special fixture, adjusts pulse laser launch angle, laser is gathered
At the top of coke to testing needle to be processed at 0.2-0.6mm；
Step 3, to protective gas is applied at the top of testing needle to be processed, trigger pulse laser, laser moment is to be processed
Heating at the top of testing needle makes to melt glomeration at the top of testing needle to be processed；
Step 4, it after laser is decorporated, continues to protective gas 2-4s and is protected, testing needle finished product is made；
Step 5, the testing needle to be processed more renewed repeats the production process of step 1-4.
Preferably, include the following steps:
Step 1, pulse laser is connected into power supply, be switched on, adjust pulsed laser energy, set laser emission time as
2ms；
Step 2, testing needle to be processed is fixed by special fixture, adjusts pulse laser launch angle, laser is gathered
At the top of coke to testing needle to be processed at 0.4mm；
Step 3, to protective gas is applied at the top of testing needle to be processed, trigger pulse laser, laser moment is to be processed
Heating at the top of testing needle makes to melt glomeration at the top of testing needle to be processed；
Step 4, it after laser is decorporated, continues to protective gas 3s and is protected, testing needle finished product is made；
Step 5, the testing needle to be processed more renewed repeats the production process of step 1-4.
Preferably, a length of 26mm-55mm of testing needle finished product, the radius of top ball are 0.15mm-0.2mm.
Preferably, the material of the testing needle is SWP-B piano wire.
Preferably, the step 2 guarantees position of the laser action at the top of testing needle by CCD vision positioning system,
Position precision is controlled in the error range of 0.005mm.
Preferably, the step 3 is by dedicated blowning installation to application protective gas at the top of testing needle to be processed.
Preferably, the protective gas is inert gas, guarantees testing needle top to be processed and air exclusion, anti-block
Change.
Preferably, the protective gas is 99.99% nitrogen or argon gas, guarantee at the top of testing needle to be processed and air every
Absolutely, it prevents from aoxidizing.
The beneficial effects of the present invention are:
The present invention provides a kind of designs rationally, high production efficiency, good product quality, energy-saving and environment-friendly circuit board detecting use
The production technology of testing needle, compared with previous human weld's testing needle production technology, production efficiency of the invention improves 10-
20 times；Due to the stability of pulsed laser energy, the accuracy of CCD vision positioning system, make yield rate reach 99.99% with
On；Because using laser technology, rather than previous welding manner, it is more energy saving, reduce the pollution to environment.
Specific embodiment
Below by specific embodiment, the present invention is further illustrated.
Embodiment 1
A kind of production technology of circuit board detecting testing needle, includes the following steps:
Step 1, pulse laser is connected into power supply, be switched on, adjust pulsed laser energy, set laser emission time as
1-3ms；
Step 2, testing needle to be processed is fixed by special fixture, adjusts pulse laser launch angle, laser is gathered
At the top of coke to testing needle to be processed at 0.2-0.6mm；
Step 3, to protective gas is applied at the top of testing needle to be processed, trigger pulse laser, laser moment is to be processed
Heating at the top of testing needle makes to melt glomeration at the top of testing needle to be processed；
Step 4, it after laser is decorporated, continues to protective gas 2-4s and is protected, testing needle finished product is made；
Step 5, the testing needle to be processed more renewed repeats the production process of step 1-4.
Embodiment 2
A kind of production technology of circuit board detecting testing needle, includes the following steps:
Step 1, pulse laser is connected into power supply, be switched on, adjust pulsed laser energy, set laser emission time as
2ms；
Step 2, testing needle to be processed is fixed by special fixture, adjusts pulse laser launch angle, laser is gathered
At the top of coke to testing needle to be processed at 0.4mm；
Step 3, to protective gas is applied at the top of testing needle to be processed, trigger pulse laser, laser moment is to be processed
Heating at the top of testing needle makes to melt glomeration at the top of testing needle to be processed；
Step 4, it after laser is decorporated, continues to protective gas 3s and is protected, testing needle finished product is made；
Step 5, the testing needle to be processed more renewed repeats the production process of step 1-4.
Specifically, any specification of a length of 26mm-55mm of testing needle finished product, the radius of top ball is 0.15mm-
0.2mm。
Specifically, the material of the testing needle is SWP-B piano wire.
Specifically, the step 2 guarantees position of the laser action at the top of testing needle by CCD vision positioning system,
Position precision is controlled in the error range of 0.005mm.
Specifically, the step 3 is by dedicated blowning installation to application protective gas, the guarantor at the top of testing needle to be processed
Shield gas is inert gas, and the protective gas is 99.99% nitrogen or argon gas, guarantees testing needle top to be processed and air
Isolation, prevents from aoxidizing.
Above is only a specific embodiment of the present invention, but structure feature of the invention is not limited thereto, the present invention
It can be used on similar product, within the field of the present invention, made changes or modifications are all by any those skilled in the art
Cover within the scope of the patent of the present invention.
Claims (8)
1. a kind of production technology of circuit board detecting testing needle, characterized by the following steps:
Step 1, pulse laser is connected into power supply, is switched on, adjusts pulsed laser energy, set laser emission time as 1-
3ms；
Step 2, testing needle to be processed is fixed by special fixture, adjusts pulse laser launch angle, laser is focused on
At the top of testing needle to be processed at 0.2-0.6mm；
Step 3, to protective gas is applied at the top of testing needle to be processed, trigger pulse laser, laser moment is to test to be processed
Heating at the top of needle makes to melt glomeration at the top of testing needle to be processed；
Step 4, it after laser is decorporated, continues to protective gas 2-4s and is protected, testing needle finished product is made；
Step 5, the testing needle to be processed more renewed repeats the production process of step 1-4.
2. the production technology of circuit board detecting testing needle as described in claim 1, characterized by the following steps:
Step 1, pulse laser is connected into power supply, is switched on, adjusts pulsed laser energy, set laser emission time as 2ms；
Step 2, testing needle to be processed is fixed by special fixture, adjusts pulse laser launch angle, laser is focused on
At the top of testing needle to be processed at 0.4mm；
Step 3, to protective gas is applied at the top of testing needle to be processed, trigger pulse laser, laser moment is to test to be processed
Heating at the top of needle makes to melt glomeration at the top of testing needle to be processed；
Step 4, it after laser is decorporated, continues to protective gas 3s and is protected, testing needle finished product is made；
Step 5, the testing needle to be processed more renewed repeats the production process of step 1-4.
Step 5, the testing needle to be processed more renewed repeats the production process of step 1-4.
3. the production technology of circuit board detecting testing needle as described in claim 1, it is characterised in that: the testing needle finished product
A length of 26mm-55mm, the radius of top ball are 0.15mm-0.2mm.
4. the production technology of circuit board detecting testing needle as described in claim 1, it is characterised in that: the material of the testing needle
Matter is SWP-B piano wire.
5. the production technology of circuit board detecting testing needle as described in claim 1, it is characterised in that: the step 2 passes through
CCD vision positioning system guarantees position of the laser action at the top of testing needle.
6. the production technology of circuit board detecting testing needle as described in claim 1, it is characterised in that: the step 3 passes through
Dedicated blowning installation is to application protective gas at the top of testing needle to be processed.
7. the production technology of circuit board detecting testing needle as described in claim 1, it is characterised in that: the protective gas is
Inert gas.
8. the production technology of circuit board detecting testing needle as described in claim 1, it is characterised in that: the protective gas is
99.99% nitrogen or argon gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606754.6A CN109633225A (en) | 2018-12-27 | 2018-12-27 | A kind of production technology of circuit board detecting testing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606754.6A CN109633225A (en) | 2018-12-27 | 2018-12-27 | A kind of production technology of circuit board detecting testing needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109633225A true CN109633225A (en) | 2019-04-16 |
Family
ID=66078143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811606754.6A Pending CN109633225A (en) | 2018-12-27 | 2018-12-27 | A kind of production technology of circuit board detecting testing needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109633225A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1476068A (en) * | 2002-08-14 | 2004-02-18 | 富士通株式会社 | Contactor having contact electrode formed by laser |
| CN101168217A (en) * | 2007-11-30 | 2008-04-30 | 上海市激光技术研究所 | Laser array micro-pore forming device and method |
| CN101412153A (en) * | 2008-11-07 | 2009-04-22 | 北京智博高科生物技术有限公司 | Process and equipment for welding sealing thin-wall metal tube using laser technique |
| CN104332428A (en) * | 2014-08-29 | 2015-02-04 | 中国科学院长春光学精密机械与物理研究所 | Chip pin shaping device and method based on laser thermal stress forming |
| CN106976243A (en) * | 2017-04-06 | 2017-07-25 | 广东工业大学 | A kind of lucite and stainless steel laser welding system and welding method |
| CN107567668A (en) * | 2015-03-31 | 2018-01-09 | 精炼金属股份有限公司 | Manufacture the method for at least one spring contact pin or spring contact needle assemblies and corresponding device |
| CN107667295A (en) * | 2014-12-30 | 2018-02-06 | 泰克诺探头公司 | Include the semi-finished product and relative manufacturing process of multiple contact probes for measuring head |
| WO2018142300A1 (en) * | 2017-01-31 | 2018-08-09 | Sabic Global Technologies B.V. | Method for making microneedles |
-
2018
- 2018-12-27 CN CN201811606754.6A patent/CN109633225A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1476068A (en) * | 2002-08-14 | 2004-02-18 | 富士通株式会社 | Contactor having contact electrode formed by laser |
| CN101168217A (en) * | 2007-11-30 | 2008-04-30 | 上海市激光技术研究所 | Laser array micro-pore forming device and method |
| CN101412153A (en) * | 2008-11-07 | 2009-04-22 | 北京智博高科生物技术有限公司 | Process and equipment for welding sealing thin-wall metal tube using laser technique |
| CN104332428A (en) * | 2014-08-29 | 2015-02-04 | 中国科学院长春光学精密机械与物理研究所 | Chip pin shaping device and method based on laser thermal stress forming |
| CN107667295A (en) * | 2014-12-30 | 2018-02-06 | 泰克诺探头公司 | Include the semi-finished product and relative manufacturing process of multiple contact probes for measuring head |
| CN107567668A (en) * | 2015-03-31 | 2018-01-09 | 精炼金属股份有限公司 | Manufacture the method for at least one spring contact pin or spring contact needle assemblies and corresponding device |
| WO2018142300A1 (en) * | 2017-01-31 | 2018-08-09 | Sabic Global Technologies B.V. | Method for making microneedles |
| CN106976243A (en) * | 2017-04-06 | 2017-07-25 | 广东工业大学 | A kind of lucite and stainless steel laser welding system and welding method |
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Application publication date: 20190416 |