CN106018965A - Detection method for precision resistor prepared on optical glass - Google Patents
Detection method for precision resistor prepared on optical glass Download PDFInfo
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- CN106018965A CN106018965A CN201610323311.0A CN201610323311A CN106018965A CN 106018965 A CN106018965 A CN 106018965A CN 201610323311 A CN201610323311 A CN 201610323311A CN 106018965 A CN106018965 A CN 106018965A
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- optical glass
- lead wire
- conductive
- precision resistance
- conductive lead
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention discloses a detection method for a precision resistor prepared on optical glass. The method comprises the steps of surface cleaning, conductive silver wire processing, conductive adhesive bonding, conductive adhesive curing and precision resistor testing and the like. For the precision resistor prepared on the optical glass, a conductive adhesive is utilized as a solder, a conductive silver wire and the precision resistor are in ohmic contact, and reliable lead bonding is ensured, contact resistance is stabilized within 0.1+/0.05 ohm, and detection accuracy of the precision resistor is ensured. The detection method realizes obtaining of resistance values of the precision resistor within the temperature of -10 DEG C-100 DEG C, and realizes accurate judgment in judging fluctuation of resistance value of the precision resistor prepared on optical glass, thereby ensuring measurement of the precision resistor prepared on optical glass, and enabling the finished product ratio of an optical system to be improved from 10% to more than 90% and above effectively.
Description
Technical field
The invention belongs to precise detection technology field, relate to the detection side of the precision resistance of preparation on a kind of optical glass
Method.
Background technology
Owing to economic needs, optical glass and manufacturing technology thereof are considered as key technology by various countries always, and strictly protect
Close.Now with developing rapidly of the subjects such as optics, information technology, aeronautical and space technology, optical glass is progressively by traditional sense
On optical instrument gradually develop rapidly to new application.
One of which application is in the front end of optical system, integrating starter, can realize according to mesh
Target identification starts automatically, it is achieved accurately starting of task.The front end of optical system uses optical glass mostly,
By preparing precision resistance on optical glass, when the resistance change amount set reaches certain value, can realize
Signal transmission between optical glass and starter, thus realize accurately starting.But, preparation on optical glass
Whether resistance reaches target setting, detects it extremely important.Owing to the volume of optical glass is big, thermal capacitance is big, utilizes and passes
The electric cautery of system cannot be carried out welding, and therefore, on optical glass, the measurement of the resistance of preparation becomes extremely difficult, can only pass through
Technique prepared by resistance carries out theoretical calculation so that the yield rate of optical system is the lowest, and cost is the highest.For reducing cost,
Improve the yield rate of optical system, be badly in need of a kind of effective detection method and the precision resistance of preparation on optical glass is realized accurately
Measure.
Summary of the invention
It is an object of the invention to provide the accurately measurement of a kind of precision resistance being capable of on optical glass preparation
Detection method.
The object of the present invention is achieved like this, comprises the following steps:
A, surface cleaning: the iron chloride polishing fluid using granule size to be 0.3～1 um is to the accurate electricity of preparation on optical glass
A and the b end surfaces of resistance is processed by shot blasting, then using deionized water rinsing 3-5min, nitrogen dries up；
B, conductive silver wire process: use two a diameter of 0.6-0.8mm, the conductive silver wires of a length of 0.5-0.6m to make respectively
First conductive lead wire and the second conductive lead wire, the c1 end of the first conductive lead wire and the c2 end of the second conductive lead wire use pliers respectively
Stripping out 2-3cm, the d1 end of the first conductive lead wire and the d2 end of the second conductive lead wire strip out 5-6cm with pliers respectively, and stripping
The part gone out is screwed to conductive silver wire respectively and is integrally forming；
C, bonding: it is right that the c1 end stripped out by the first conductive lead wire respectively and a of the precision resistance on optical glass rectify, by
It is right that the c2 end that two conductive lead wires strip out and the b of the precision resistance on optical glass rectify, and then conducting resinl spreads upon accurate electricity
Resistance with two conductive silver wires just to position；
D, conducting resinl solidify: be placed on by the optical glass completing step C in the baking oven being in 80-90 DEG C of state of constant temperature, baking
Take out after 1-2h, it is achieved the lead-in wire welding of precision resistance；
E, precision resistance are tested: be placed in calorstat by the optical glass to be measured completing step D, by the first conductive lead wire
The d2 end of d1 end and the second conductive lead wire pulls out in calorstat and is connected on constant-current source, sets the temperature of calorstat as-10 ~ 100
DEG C, after treating temperature stabilization, the electric current arranging constant-current source is 1mA ± 0.1mA, the voltage being applied on precision resistance by detection
Numerical value can draw the numerical value of precision resistance.
On the precision resistance that the present invention is prepared on optical glass, utilize conducting resinl as solder, by conducting resinl and precision
Resistance forms Ohmic contact and ensures that lead-in wire welding is reliable, and contact resistance is stable between 0.1 ± 0.05 Ω, it is ensured that accurate
The detection accuracy of resistance.The detection method that the present invention provides achieves precision resistance resistance between-10 DEG C ~ 100 DEG C, right
Have in the fluctuation evaluating the precision resistance resistance that preparation is prepared on optical glass and pass judgment on accurately, it is ensured that be prepared by optical glass
On precision resistance measure, make the yield rate of optical system be effectively improved more than 90% from 10%.
Accompanying drawing explanation
Fig. 1 is the overhaul flow chart of the present invention；
Fig. 2 is the structural representation of the precision resistance of preparation on optical glass to be detected；
Fig. 3 is the structural representation that on optical glass to be detected, conductive silver wire is fixed at the precision resistance two ends of preparation；
Fig. 4 is the lead-in wire welding schematic diagram at the precision resistance two ends of preparation on optical glass to be detected；
In figure: 1-optical glass, 2-precision resistance, 3-the first conductive lead wire, 4-the second conductive lead wire, 5-conducting resinl.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings, but must not be any limitation as the present invention by any way,
Based on present invention teach that any change or improvement made, belong to protection scope of the present invention.
As Figure 1-4, the invention provides on a kind of optical glass the detection method of the precision resistance of preparation, including with
Lower step:
A, surface cleaning: the iron chloride polishing fluid using granule size to be 0.3～1 um is to the accurate electricity of preparation on optical glass
A and the b end surfaces of resistance is processed by shot blasting, then using deionized water rinsing 3-5min, nitrogen dries up；
B, conductive silver wire process: use two a diameter of 0.6-0.8mm, the conductive silver wires of a length of 0.5-0.6m to make respectively
First conductive lead wire and the second conductive lead wire, the c1 end of the first conductive lead wire and the c2 end of the second conductive lead wire use pliers respectively
Stripping out 2-3cm, the d1 end of the first conductive lead wire and the d2 end of the second conductive lead wire strip out 5-6cm with pliers respectively, and stripping
The part gone out is screwed to conductive silver wire respectively and is integrally forming；
C, conductive adhesive: two conductive silver wires are fixed on optical glass, and the c1 respectively the first conductive lead wire stripped out
Hold and rectify right, that stripped out by the second conductive lead wire c2 end and the precision on optical glass with a of the precision resistance on optical glass
It is right that the b of resistance rectifies, then conductive silver paste is spread upon precision resistance and two conductive silver wires just to position；
D, conducting resinl solidify: be placed on by the optical glass completing step C in the baking oven being in 80-90 DEG C of state of constant temperature, baking
Take out after 1-2h, it is achieved the lead-in wire welding of precision resistance；
E, precision resistance are tested: be placed in calorstat by the optical glass to be measured completing step D, by the first conductive lead wire
The d2 end of d1 end and the second conductive lead wire pulls out in calorstat and is connected on constant-current source, sets the temperature of calorstat as-10 ~ 100
DEG C, after treating temperature stabilization, the electric current arranging constant-current source is 1mA ± 0.1mA, the voltage being applied on precision resistance by detection
Numerical value can draw the numerical value of precision resistance.
The ratio of the alumina powder in the iron chloride polishing fluid used in described step A is 10%-20%.
The time that the iron chloride polishing fluid used in described step A is processed by shot blasting is 1-3min.
The conducting polymer glue that conducting resinl is industrial general used in described step C.
The present invention on the precision resistance of optical glass, utilize conducting resinl as solder, by conductive silver wire and
Precision resistance forms Ohmic contact and ensures that lead-in wire welding is reliable, and contact resistance is stable between 0.1 ± 0.05 Ω, protects
Demonstrate,prove the detection accuracy of precision resistance.The detection method that the present invention provides achieves precision resistance between-10 DEG C ~ 100 DEG C
Resistance, have pass judgment on accurately for evaluating preparation fluctuation of precision resistance resistance of preparation on optical glass, it is ensured that light
Learn the precision resistance in glass preparation to measure, make the yield rate of optical system be effectively improved more than 90% from 10%.
Embodiment one
A, surface cleaning: using granule size is 0.3 um, and iron chloride proportioning is that the iron chloride polishing fluid of 10% is to optical glass
A and the b end surfaces of the precision resistance of upper preparation is processed by shot blasting, until exposing the surface of light, then to use deionized water rinsing
3min, nitrogen dries up；
B, conductive silver wire process: use two a diameter of 0.6mm, the conductive silver wire of a length of 0.5m to make the first conduction respectively
Going between and the second conductive lead wire, the c1 end of the first conductive lead wire and the c2 end of the second conductive lead wire strip out 2cm with pliers respectively,
The d1 end of the first conductive lead wire and the d2 end of the second conductive lead wire strip out 5cm with pliers respectively, and the part difference stripped out
It is screwed to conductive silver wire be integrally forming；
C, conductive adhesive: two conductive silver wires are fixed on optical glass, and the c1 respectively the first conductive lead wire stripped out
Hold and rectify right, that stripped out by the second conductive lead wire c2 end and the precision on optical glass with a of the precision resistance on optical glass
It is right that the b of resistance rectifies, then conducting resinl is spread upon precision resistance and two conductive silver wires just to position；
D, conducting resinl solidify: be placed on by the optical glass completing step C in the baking oven being in 80 DEG C of states of constant temperature, toast 1h
Rear taking-up, it is achieved the lead-in wire welding of precision resistance；
E, precision resistance are tested: be placed in calorstat by the optical glass to be measured completing step D, by the first conductive lead wire
The d2 end of d1 end and the second conductive lead wire pulls out in calorstat and is connected on constant-current source, sets the temperature of calorstat as-10 DEG C,
After treating temperature stabilization, the electric current arranging constant-current source is 1mA, by the voltage value that detection is applied on precision resistance
Going out the numerical value of precision resistance, the resistance value that detection obtains is 16.28 Ω.
Embodiment two
A, surface cleaning: using granule size is 1 um, iron chloride proportioning is that the iron chloride polishing fluid of 15% is to system on optical glass
A and the b end surfaces of standby precision resistance is processed by shot blasting, until exposing the surface of light, then to use deionized water rinsing
5min, nitrogen dries up；
B, conductive silver wire process: use two a diameter of 0.8mm, the conductive silver wire of a length of 0.6m to make the first conduction respectively and draw
Line and the second conductive lead wire, the c1 end of the first conductive lead wire and the c2 end of the second conductive lead wire strip out 3cm with pliers respectively, the
The d1 end of one conductive lead wire and the d2 end of the second conductive lead wire strip out 6cm with pliers respectively, and the part stripped out is twisted respectively
Tightly it is integrally forming to conductive silver wire；
C, conductive adhesive: two conductive silver wires are fixed on optical glass, and the c1 respectively the first conductive lead wire stripped out
Hold and rectify right, that stripped out by the second conductive lead wire c2 end and the precision on optical glass with a of the precision resistance on optical glass
It is right that the b of resistance rectifies, then conductive silver paste is spread upon precision resistance and two conductive silver wires just to position；
D, conducting resinl solidify: be placed on by the optical glass completing step C in the baking oven being in 90 DEG C of states of constant temperature, after baking 2h
Take out, it is achieved the lead-in wire welding of precision resistance；
E, precision resistance are tested: be placed in calorstat by the optical glass to be measured completing step D, by the first conductive lead wire
The d2 end of d1 end and the second conductive lead wire pulls out in calorstat and is connected on constant-current source, sets the temperature of calorstat as 100 DEG C,
After treating temperature stabilization, the electric current arranging constant-current source is 1.1mA, the voltage value being applied on precision resistance by detection
Drawing the numerical value of precision resistance, the resistance value that detection obtains is 16.29 Ω.
Embodiment three
A, surface cleaning: using granule size is 0.5 um, and iron chloride proportioning is that the iron chloride polishing fluid of 20% is to optical glass
A and the b end surfaces of the precision resistance of upper preparation is processed by shot blasting, until exposing the surface of light, then to use deionized water rinsing
4min, nitrogen dries up；
B, conductive silver wire process: use two a diameter of 0.7mm, the conductive silver wire of a length of 0.55m to make the first conduction respectively
Lead-in wire and the second conductive lead wire, the c1 end of the first conductive lead wire and the c2 end of the second conductive lead wire strip out with pliers respectively
2.5cm, the d1 end of the first conductive lead wire and the d2 end of the second conductive lead wire strip out 5.5cm with pliers respectively, and stripping out
Part is screwed to conductive silver wire respectively and is integrally forming；
C, conductive adhesive: two conductive silver wires are fixed on optical glass, and the c1 respectively the first conductive lead wire stripped out
Hold and rectify right, that stripped out by the second conductive lead wire c2 end and the precision on optical glass with a of the precision resistance on optical glass
It is right that the b of resistance rectifies, then conducting resinl is spread upon precision resistance and two conductive silver wires just to position；
D, conducting resinl solidify: be placed on by the optical glass completing step C in the baking oven being in 85 DEG C of states of constant temperature, baking
Take out after 1.5h, it is achieved the lead-in wire welding of precision resistance；
E, precision resistance are tested: be placed in calorstat by the optical glass to be measured completing step D, by the first conductive lead wire
The d2 end of d1 end and the second conductive lead wire pulls out in calorstat and is connected on constant-current source, sets the temperature of calorstat as 50 DEG C, treats
After temperature stabilization, the electric current arranging constant-current source is 0.9mA, by the voltage value that detection is applied on precision resistance
Going out the numerical value of precision resistance, the resistance value that detection obtains is 16.27 Ω.
Claims (4)
1. the detection method of the precision resistance of preparation on an optical glass, it is characterised in that comprise the following steps:
A, surface cleaning: the iron chloride polishing fluid using granule size to be 0.3～1 um is to the accurate electricity of preparation on optical glass
A and the b end surfaces of resistance is processed by shot blasting, then using deionized water rinsing 3-5min, nitrogen dries up；
B, conductive silver wire process: use two a diameter of 0.6-0.8mm, the conductive silver wires of a length of 0.5-0.6m to make respectively
First conductive lead wire and the second conductive lead wire, the c1 end of the first conductive lead wire and the c2 end of the second conductive lead wire use pliers respectively
Stripping out 2-3cm, the d1 end of the first conductive lead wire and the d2 end of the second conductive lead wire strip out 5-6cm with pliers respectively, and stripping
The part gone out is screwed to conductive silver wire respectively and is integrally forming；
C, conductive adhesive: two conductive silver wires are fixed on optical glass, and the c1 respectively the first conductive lead wire stripped out
Hold and rectify right, that stripped out by the second conductive lead wire c2 end and the precision on optical glass with a of the precision resistance on optical glass
It is right that the b of resistance rectifies, then conductive silver paste is spread upon precision resistance and two conductive silver wires just to position；
D, conducting resinl solidify: be placed on by the optical glass completing step C in the baking oven being in 80-90 DEG C of state of constant temperature, baking
Take out after 1-2h, it is achieved the lead-in wire welding of precision resistance；
E, precision resistance are tested: be placed in calorstat by the optical glass to be measured completing step D, by the first conductive lead wire
The d2 end of d1 end and the second conductive lead wire pulls out in calorstat and is connected on constant-current source, sets the temperature of calorstat as-10 ~ 100
DEG C, after treating temperature stabilization, the electric current arranging constant-current source is 1mA ± 0.1mA, the voltage being applied on precision resistance by detection
Numerical value can draw the numerical value of precision resistance.
The detection method of the precision resistance of preparation on optical glass the most according to claim 1, it is characterised in that described step
The ratio of the iron chloride powder in the iron chloride polishing fluid used in rapid A is 10%-20%.
The detection method of the precision resistance of preparation on optical glass the most according to claim 1 and 2, it is characterised in that described
The time that the iron chloride polishing fluid used in step A is processed by shot blasting is 1-3min.
The detection method of the precision resistance of preparation on optical glass the most according to claim 1, it is characterised in that described step
The conducting resinl used in rapid C is conducting polymer glue.
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| CN201610323311.0A CN106018965B (en) | 2016-05-16 | 2016-05-16 | A kind of detection method of the precision resistance prepared on optical glass |
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| CN201610323311.0A CN106018965B (en) | 2016-05-16 | 2016-05-16 | A kind of detection method of the precision resistance prepared on optical glass |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106824833A (en) * | 2017-02-28 | 2017-06-13 | 中国振华集团云科电子有限公司 | Resistor screening technology method |
| CN110187185A (en) * | 2019-07-09 | 2019-08-30 | 中国电子科技集团公司第三十八研究所 | A kind of conducting resinl contact resistance STABILITY MONITORING device and method |
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| CN110187185A (en) * | 2019-07-09 | 2019-08-30 | 中国电子科技集团公司第三十八研究所 | A kind of conducting resinl contact resistance STABILITY MONITORING device and method |
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| CN106018965B (en) | 2018-11-23 |
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