CN114160495A - Ultrasonic cleaning process for lens before film coating - Google Patents
Ultrasonic cleaning process for lens before film coating Download PDFInfo
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- CN114160495A CN114160495A CN202210046457.0A CN202210046457A CN114160495A CN 114160495 A CN114160495 A CN 114160495A CN 202210046457 A CN202210046457 A CN 202210046457A CN 114160495 A CN114160495 A CN 114160495A
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- cleaning
- ultrasonic
- tank
- ultrasonic cleaning
- isopropanol
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- 238000004506 ultrasonic cleaning Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007888 film coating Substances 0.000 title claims abstract description 13
- 238000009501 film coating Methods 0.000 title claims abstract description 13
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 140
- 238000004140 cleaning Methods 0.000 claims abstract description 106
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000003513 alkali Substances 0.000 claims abstract description 37
- 239000011248 coating agent Substances 0.000 claims abstract description 36
- 238000000576 coating method Methods 0.000 claims abstract description 36
- 239000012459 cleaning agent Substances 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 19
- 239000011550 stock solution Substances 0.000 claims abstract description 15
- 238000002604 ultrasonography Methods 0.000 claims abstract description 11
- 238000002791 soaking Methods 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 8
- 238000010025 steaming Methods 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 claims abstract description 6
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000005083 Zinc sulfide Substances 0.000 claims description 8
- 229910052732 germanium Inorganic materials 0.000 claims description 8
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052984 zinc sulfide Inorganic materials 0.000 claims description 8
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 8
- 239000002585 base Substances 0.000 claims description 7
- 238000002386 leaching Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 8
- 241000519995 Stachys sylvatica Species 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/045—Cleaning involving contact with liquid using perforated containers, e.g. baskets, or racks immersed and agitated in a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
Abstract
The invention provides an ultrasonic cleaning process for a lens before film coating, which comprises the following steps: fixing a lens before film coating in an ultrasonic cleaning basket; immersing the cleaning basket in a strong alkali stock solution cleaning tank of an ultrasonic cleaning machine, heating without starting ultrasound, and soaking; thirdly, placing the cleaning basket in a pure water spraying tank for washing for 2-5 min; step four, sequentially placing the cleaning baskets in No. 1-4 AK191 alkali cleaning agent grooves of an ultrasonic cleaning machine, and heating and cleaning; step five, sequentially placing the cleaning baskets provided with the lenses before film coating and treated in the step four in a No. 1-3 pure water cleaning tank of an ultrasonic cleaning machine for cleaning; step six, sequentially placing the cleaning baskets provided with the lenses before coating after the treatment of the step five into Isopropanol (IPA) grooves of No. 1, No. 2 and No. 3 of an ultrasonic cleaning machine, and ultrasonically heating and cleaning; and step seven, placing the cleaning basket provided with the lens before coating in an Isopropanol (IPA) drying tank of an ultrasonic cleaning machine, heating without ultrasonic waves, and steaming.
Description
Technical Field
The invention relates to the field of optical processing, in particular to an ultrasonic cleaning process for a lens before film coating.
Background
The existing cleaning process adopted by the front lens coated with zinc selenide, zinc sulfide and germanium materials is that conjoined dustproof clothes and gloves are worn manually and dustless cloth is held by hands to be wiped on a clean bench by solvents such as acetone, alcohol and the like, and only a small batch of products can be cleaned; static electricity is also generated in the wiping process; relatively complicated pollution such as white spots and the like cannot be completely removed; the technical level requirement on wiping personnel is high; the large batch size requires a large number of wiping personnel, and the labor cost is high.
Disclosure of Invention
In view of the problems in the background art, it is an object of the present disclosure to provide an ultrasonic cleaning process for a pre-coated lens.
In order to achieve the purpose, the ultrasonic cleaning process of the lens before film coating is provided in the disclosure, and comprises the following steps of firstly, fixing the lens before film coating in an ultrasonic cleaning basket; immersing the cleaning basket with the lens before coating in a strong alkali stock solution cleaning tank of an ultrasonic cleaning machine, heating without starting ultrasound, and soaking; thirdly, placing the cleaning basket provided with the lens before coating in a pure water spraying tank of an ultrasonic cleaning machine for washing for 2-5 min; step four, sequentially placing the cleaning baskets provided with the lenses before coating in AK191 alkali cleaning agent grooves of an ultrasonic cleaning machine, namely No. 1, No. 2, No. 3 and No. 4, and ultrasonically heating and cleaning; step five, sequentially placing the cleaning baskets provided with the lenses before coating after the treatment of the step four in No. 1, No. 2 and No. 3 pure water cleaning tanks of an ultrasonic cleaning machine for ultrasonic heating and cleaning; step six, sequentially placing the cleaning baskets provided with the lenses before coating after the treatment of the step five into Isopropanol (IPA) grooves of No. 1, No. 2 and No. 3 of an ultrasonic cleaning machine, and ultrasonically heating and cleaning; and step seven, placing the cleaning basket provided with the lens before coating in an Isopropanol (IPA) drying tank of an ultrasonic cleaning machine, heating without ultrasonic waves, and steaming.
In some embodiments, in step one, the coated front lens comprises one of a zinc selenide coated front lens, a zinc sulfide coated front lens, and a germanium coated front lens.
In some embodiments, the strong base dope in the strong base dope washing tank in step two is selected from at least one of win-15, win-18, and AK-181.
In some embodiments, in the second step, the pH value in the strong alkali stock solution cleaning tank is 10-12.
In some embodiments, in step two, the heating temperature is from 30 ℃ to 50 ℃.
In some embodiments, in the second step, the soaking time is 3min to 5 min.
In some embodiments, in the fourth step, the concentration of the AK191 alkali cleaning agent in the AK191 alkali cleaning agent tank No. 1-4 is 5% -8%, and the pH value is 10-12.
In some embodiments, in the fourth step, the ultrasonic frequency in the AK191 alkali cleaning agent tank No. 1-4 is 60 KHz-80 KHz.
In some embodiments, in the fourth step, the heating temperature in the AK191 alkaline cleaning agent tank 1-4 is 30-50 ℃.
In some embodiments, in the fourth step, the cleaning time in the AK191 alkaline cleaning agent tank 1-4 is 1 min-2 min.
In some embodiments, in the step five, the frequency of the ultrasound in the No. 1 to No. 3 pure water cleaning tank is 60KHz to 80 KHz.
In some embodiments, in the step five, the ultrasonic resistors in the No. 1-3 pure water cleaning tank are all 15M omega-18.25M omega.
In some embodiments, in the step five, the temperature of the heated pure water in the No. 1-3 pure water cleaning tank is 20-50 ℃; the cleaning time is 1-2 min.
In some embodiments, in step six, the concentration of isopropanol in the Isopropanol (IPA) tank No. 1-3 is 99.8% -99.9%, and the density is 0.78g/mm3～0.80g/mm3。
In some embodiments, in the sixth step, the frequency of the ultrasound in the No. 1-3 Isopropanol (IPA) tank is 60 KHz-80 KHz, and the heating temperature is 20-40 ℃ and the tank is placed for 1-2 min.
In some embodiments, in the seventh step, the concentration of the isopropyl alcohol in the isopropyl alcohol (IPA) drying tank is 99.8% -99.9%, and the density is 0.78g/mm 3-0.80 g/mm3。
In some embodiments, in step seven, the heating temperature in the Isopropanol (IPA) drying tank is 80 ℃ to 85 ℃ for steaming for 1min to 2 min.
The beneficial effects of this disclosure are as follows:
the ultrasonic cleaning can be used for cleaning in large batch, so that the yield is improved; the complex pollutants can be removed through the process flow; manpower is saved, and cost is greatly saved; time and cost are saved.
Detailed Description
The ultrasonic cleaning process of the pre-coated lens according to the present disclosure is described in detail below.
The application discloses ultrasonic cleaning process of lens before coating film, includes following step: fixing a lens before film coating in an ultrasonic cleaning basket; immersing the cleaning basket with the lens before coating in a strong alkali stock solution cleaning tank of an ultrasonic cleaning machine, heating without starting ultrasound, and soaking; thirdly, placing the cleaning basket provided with the lens before coating in a pure water spraying tank of an ultrasonic cleaning machine for washing for 2-5 min; step four, sequentially placing the cleaning baskets provided with the lenses before coating in AK191 alkali cleaning agent grooves of an ultrasonic cleaning machine, namely No. 1, No. 2, No. 3 and No. 4, and ultrasonically heating and cleaning; step five, sequentially placing the cleaning baskets provided with the lenses before coating after the treatment of the step four in No. 1, No. 2 and No. 3 pure water cleaning tanks of an ultrasonic cleaning machine for ultrasonic heating and cleaning; step six, sequentially placing the cleaning baskets provided with the lenses before coating after the treatment of the step five into Isopropanol (IPA) grooves of No. 1, No. 2 and No. 3 of an ultrasonic cleaning machine, and ultrasonically heating and cleaning; and step seven, placing the cleaning basket provided with the lens before coating in an Isopropanol (IPA) drying tank of an ultrasonic cleaning machine, heating without ultrasonic waves, and steaming.
In the first step, the lens before coating is fixed in an ultrasonic cleaning basket, so that the lens cannot contact with each other and collide with each other during subsequent cleaning.
In some embodiments, the strong base dope in the strong base dope washing tank in step two is selected from at least one of win-15, win-18, and AK-181.
In some embodiments, in step one, the coated front lens comprises one of a zinc selenide coated front lens, a zinc sulfide coated front lens, and a germanium coated front lens.
And in the second step, the cleaning basket with the lens before coating is immersed in a strong alkali stock solution cleaning tank of an ultrasonic cleaning machine, ultrasound is not started, heating and soaking are carried out, and the packaging marks, the finger marks and the white spots of dust adhered to the surface of the lens are loosened to be separated.
In some embodiments, in the second step, the pH of the strong alkali stock solution cleaning tank is 10-12, and a strong alkali environment is maintained.
In some embodiments, in step two, the heating temperature is from 30 ℃ to 50 ℃. In the temperature range, the strong alkali stock solution in the strong alkali stock solution cleaning tank can permeate white marks, finger prints and dust white spots on the surface of the lens, and is softened and dissolved.
In some embodiments, in the second step, the soaking time is 3min to 5 min. The soaking time can dissolve residual white marks, finger prints and dust white spots on the surface layer of the lens within the range until the lens is peeled layer by layer.
In the second step, the ultrasonic wave cannot be started, otherwise, the product generates the ultrasonic wave, and the product is scrapped.
In the third step, the pure water in the pure water spraying groove washes the strong alkali stock solution on the surface of the lens, so that the strong alkali stock solution is prevented from being brought into the next AK191 alkali cleaning agent groove for starting ultrasonic waves, and the surface layer of the lens is damaged by the ultrasonic waves.
In some embodiments, in the fourth step, the concentration of the AK191 alkali cleaning agent in the AK191 alkali cleaning agent tank No. 1-4 is 5% -8%, and the pH value is 10-12. Dirt and dust on the surface of the lens are removed, and the surface of the lens can be cleaned more cleanly by adopting 4 AK191 alkali cleaning agent grooves. The AK191 alkaline cleaning agent in the AK191 alkaline cleaning agent groove is in an optimal state with 5% -8% of water, the cleaning effect of the product is poor due to too high concentration, the ultrasonic wave intensity is affected, the ultrasonic wave intensity is blocked, the dirt on the surface of the product with too low concentration cannot be cleaned completely, and the using effect cannot be achieved.
In some embodiments, in the fourth step, the frequency of the ultrasound in the AK191 alkali cleaning agent tank 1-4 is 60 KHz-80 KHz.
In some embodiments, in the fourth step, the heating temperature in the AK191 alkaline cleaning agent tank 1-4 is 30-50 ℃.
In some embodiments, in the fourth step, the cleaning time in the AK191 alkaline cleaning agent tank 1-4 is 1 min-2 min.
In some embodiments, in the step five, the frequency of the ultrasound in the No. 1 to No. 3 pure water cleaning tank is 60KHz to 80 KHz.
In some embodiments, in the step five, the ultrasonic resistors in the No. 1-3 pure water cleaning tank are all 15M omega-18.25M omega.
In some embodiments, in the step five, the temperature of the heated pure water in the No. 1-3 pure water cleaning tank is 20-50 ℃; the cleaning time is 1-2 min. Rinse the AK191 alkaline cleaner on the lens surface. The pure water is overflow state, and the abluent product can produce water stain and dirty if the pure water washing tank is less than 3 cell bodies, and the AK191 alkali cleaner on the lens surface can not the complete rinsing clean promptly, and partial AK191 alkali cleaner remains and can lead to product surface cleanliness factor not up to standard on the surface of product, can not reach the effect of using.
In some embodiments, in step six, the concentration of isopropanol in the Isopropanol (IPA) tank No. 1-3 is 99.8% -99.9%, and the density is 0.78g/mm3～0.80g/mm3；
In some embodiments, the ultrasonic frequency of the No. 1-3 Isopropanol (IPA) tank is 60 KHz-80 KHz, and the heating temperature is 20-40 ℃ and the tank is placed for 1-2 min.
And ultrasonically cleaning the lens by a No. 1-3 Isopropanol (IPA) tank, and removing water on the surface of the lens for three times.
In some embodiments, in step seven, the concentration of isopropanol in the Isopropanol (IPA) drying tank is 99.8% to 99.9% and the density is 0.78g/mm3～0.80g/mm3；
In some embodiments, in step seven, the heating temperature in the Isopropanol (IPA) drying tank is 80 ℃ to 85 ℃ for steaming for 1min to 2 min. After the cleaning is completed, the lens is dried.
The drying in the seventh step has the alternative scheme that:
the cleaning basket of the lens before the zinc selenide coating film is filled is sequentially arranged in 3-6 different pure water cleaning tanks of the ultrasonic cleaning machine, and the parameters of each pure water cleaning tank are as follows: the ultrasonic frequency is 60 KHz-80 KHz, the resistance is 15M omega-18.25M omega, and pure water is heated to 20 ℃ to 50 ℃ for cleaning for 1 min-2 min;
putting the cleaning basket with the lenses before the zinc selenide coating into a special lens spin dryer, wherein the temperature of the spin dryer is 40-60 ℃, the rotating speed of the spin dryer is 700-900 r/min, and the spin-drying time is 2-3 min without starting ultrasonic waves.
The disclosure is further illustrated with reference to the following examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present disclosure.
Example 1
Fixing a lens before zinc selenide coating in an ultrasonic cleaning basket;
immersing the cleaning basket with the lens before coating in a strong base stock solution cleaning tank with Win-15 and a pH value of 12 of an ultrasonic cleaning machine, heating to 45 ℃ without starting ultrasound, and soaking for 3 min;
thirdly, placing the cleaning basket provided with the lens before coating in a pure water spraying tank of an ultrasonic cleaning machine for washing for 3 min;
step four, sequentially placing the cleaning baskets provided with the lenses before coating in a No. 1-4 AK191 alkali cleaning agent groove for cleaning,
in an AK191 alkaline cleaning agent tank with the concentration of 5% and the PH value of 12 in the AK191 alkaline cleaning agent tank No. 1, the ultrasonic frequency is 68KHz, the heating and cleaning temperature is 50 ℃, and the cleaning time is 2 min;
the AK191 alkali cleaning agent tank 2 has the concentration of 5% and the PH value of 11, the ultrasonic frequency of 68KHz, the heating and cleaning temperature of 48 ℃, and the cleaning time of 2 min;
in an AK191 alkali cleaning agent tank with the concentration of 5% and the PH value of 11, the ultrasonic frequency is 80KHz, the heating and cleaning temperature is 45 ℃, and the cleaning time is 2 min;
in the AK191 alkali cleaning agent tank with the concentration of 5% and the PH value of 10 in the No. 4 AK191 alkali cleaning agent tank, the ultrasonic frequency is 80KHz, the heating cleaning temperature is 35 ℃, and the cleaning time is 2 min;
step five, sequentially placing the cleaning baskets provided with the lenses before coating after the treatment of the step four in a No. 1-3 pure water cleaning tank of an ultrasonic cleaning machine for cleaning,
the ultrasonic frequency in the No. 1 pure water cleaning tank is 80KHz, the resistance is 17M, the pure water is heated to 25 ℃, and the cleaning is carried out for 2 min;
the ultrasonic frequency in the No. 2 pure water cleaning tank is 80KHz, the resistance is 17M, and pure water is heated to 25 ℃ for cleaning for 2 min;
the ultrasonic frequency in the No. 3 pure water cleaning tank is 80KHz, the resistance is 17M, and pure water is heated to 25 ℃ for cleaning for 2 min;
step six, sequentially placing the cleaning baskets provided with the lenses before film coating after the treatment of the step five into a No. 1-3 Isopropanol (IPA) groove of an ultrasonic cleaning machine,
in the No. 1 isopropyl alcohol (IPA) tank, the density of isopropyl alcohol (IPA) is 0.80g/mm3Heating to 25 deg.C with ultrasonic frequency of 80KHz, and standing for 2 min;
in the No. 2 isopropyl alcohol (IPA) tank, the density of isopropyl alcohol (IPA) was 0.788g/mm3Heating to 25 deg.C with ultrasonic frequency of 80KHz, and standing for 2 min;
in the No. 3 isopropyl alcohol (IPA) tank, the density of isopropyl alcohol (IPA) is 0.784g/mm3Heating to 30 deg.C with ultrasonic frequency of 80KHz, and standing for 2 min;
seventhly, placing the cleaning basket provided with the lens before coating in an Isopropanol (IPA) drying tank of an ultrasonic cleaning machine, wherein the concentration is 99.8 percent, and the density is 0.784g/mm3Heating to 82 ℃ in an Isopropanol (IPA) drying tank without ultrasonic wave, and steaming for 2 min.
The ultrasonic cleaning yield of the lens before the zinc selenide coating can reach 95 percent according to the steps.
Example 2
Replacing the drying step in the step seven with the following steps:
the cleaning basket provided with the zinc selenide coated front lens is sequentially arranged in 6 different pure water cleaning tanks of the ultrasonic cleaning machine, and the parameters of each pure water cleaning tank are as follows: the ultrasonic frequency is 80KHz, the resistance is 17 MOmega, and pure water is heated to 25 ℃ for cleaning for 2 min;
and (3) putting the cleaning basket with the lens before the zinc selenide coating into a special lens drying machine, wherein ultrasonic waves are not required to be started, the temperature of the drying machine is 50 ℃, the rotating speed of the drying machine is 700r/min, and the drying time is 2 min.
The rest is the same as example 1.
The ultrasonic cleaning yield of the lens before the zinc selenide coating can reach 98 percent.
Example 3
The procedure of example 1 was repeated except that the zinc selenide coated front lens was replaced with a zinc sulfide coated front lens.
The yield of the lens before zinc sulfide coating reaches 98 percent after ultrasonic cleaning.
Example 4
The procedure of example 1 was repeated except that the zinc selenide coated front lens was replaced with a germanium coated front lens.
The yield of the film lens before germanium plating reaches 95 percent after ultrasonic cleaning.
Example 5
The procedure of example 2 was repeated except that the zinc selenide coated front lens was replaced with a zinc sulfide coated front lens.
The yield of the lens before zinc sulfide coating reaches 98 percent after ultrasonic cleaning.
Example 6
The same as example 2 was repeated except that the zinc selenide coated front lens was replaced with the germanium coated front lens.
The yield of the lens before germanium film coating reaches 95 percent after ultrasonic cleaning.
The above-disclosed features are not intended to limit the scope of practice of the present disclosure, and therefore, all equivalent variations that are described in the claims of the present disclosure are intended to be included within the scope of the claims of the present disclosure.
Claims (9)
1. An ultrasonic cleaning process for a lens before film coating comprises the following steps:
fixing a lens before film coating in an ultrasonic cleaning basket;
immersing the cleaning basket with the lens before coating in a strong alkali stock solution cleaning tank of an ultrasonic cleaning machine, heating without starting ultrasound, and soaking;
thirdly, placing the cleaning basket provided with the lens before coating in a pure water spraying tank of an ultrasonic cleaning machine for washing for 2-5 min;
step four, sequentially placing the cleaning baskets provided with the lenses before coating in AK191 alkali cleaning agent grooves of an ultrasonic cleaning machine, namely No. 1, No. 2, No. 3 and No. 4, and ultrasonically heating and cleaning;
step five, sequentially placing the cleaning baskets provided with the lenses before coating after the treatment of the step four in No. 1, No. 2 and No. 3 pure water cleaning tanks of an ultrasonic cleaning machine for ultrasonic heating and cleaning;
step six, sequentially placing the cleaning baskets provided with the lenses before coating after the treatment of the step five into Isopropanol (IPA) grooves of No. 1, No. 2 and No. 3 of an ultrasonic cleaning machine, and ultrasonically heating and cleaning;
and step seven, placing the cleaning basket provided with the lens before coating in an Isopropanol (IPA) drying tank of an ultrasonic cleaning machine, heating without ultrasonic waves, and steaming.
2. The ultrasonic cleaning process for pre-coated lenses according to claim 1,
in the first step, the front lens coated with a film includes one of a front lens coated with zinc selenide, a front lens coated with zinc sulfide, and a front lens coated with germanium.
3. The ultrasonic cleaning process for pre-coated lenses according to claim 1,
and the strong base stock solution in the strong base stock solution cleaning tank in the step two is selected from at least one of win-15, win-18 and AK-181.
4. The ultrasonic cleaning process for pre-coated lenses according to claim 1,
in the second step, the pH value in the strong alkali stock solution cleaning tank is 10-12;
in the second step, the heating temperature is 30-50 ℃;
in the second step, the soaking time is 3min to 5 min.
5. The ultrasonic cleaning process for pre-coated lenses according to claim 1,
in the fourth step, the AK191 alkali cleaning agent in the AK191 alkali cleaning agent tank No. 1-4 has a concentration of 5% -8% and a pH value of 10-12.
6. The ultrasonic cleaning process for pre-coated lenses according to claim 1,
in the fourth step, the ultrasonic frequency in the AK191 alkali cleaning agent tank 1-4 is 60 KHz-80 KHz;
in the fourth step, the heating temperature in the AK191 alkali cleaning agent tank 1-4 is 30-50 ℃;
in the fourth step, the cleaning time in the AK191 alkali cleaning agent tank 1-4 is 1-2 min.
7. The ultrasonic cleaning process for pre-coated lenses according to claim 1,
in the fifth step, the frequency of the ultrasound in the No. 1-3 pure water cleaning tank is 60 KHz-80 KHz;
in the fifth step, the ultrasonic resistors in the No. 1-3 pure water cleaning tank are all 15M omega-18.25M omega;
in the fifth step, the temperature of the heated pure water in the No. 1-3 pure water cleaning tank is 20-50 ℃; the cleaning time is 1-2 min.
8. The ultrasonic cleaning process for pre-coated lenses according to claim 1,
in the sixth step, the concentration of the isopropanol in the No. 1-3 Isopropanol (IPA) groove is 99.8% -99.9%, and the density is 0.78g/mm3～0.80g/mm3；
In the sixth step, the ultrasonic frequency of the No. 1-3 Isopropanol (IPA) groove is 60 KHz-80 KHz, and the heating temperature is 20-40 ℃ and the groove is placed for 1-2 min.
9. The ultrasonic cleaning process for pre-coated lenses according to claim 1,
in the seventh step, the concentration of the isopropanol in the Isopropanol (IPA) drying tank is 99.8% -99.9%, and the density is 0.78g/mm3～0.80g/mm3；
In the seventh step, the heating temperature in the Isopropanol (IPA) drying tank is 80-85 deg.C, and the steam-leaching is carried out for 1-2 min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210046457.0A CN114160495A (en) | 2022-01-14 | 2022-01-14 | Ultrasonic cleaning process for lens before film coating |
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| CN202210046457.0A CN114160495A (en) | 2022-01-14 | 2022-01-14 | Ultrasonic cleaning process for lens before film coating |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733845A (en) * | 2022-04-25 | 2022-07-12 | 安徽光智科技有限公司 | Ultrasonic cleaning process for ink-coated lens |
| CN114749421A (en) * | 2022-03-17 | 2022-07-15 | 安徽光智科技有限公司 | Ultrasonic cleaning process for lens |
| CN114887990A (en) * | 2022-05-13 | 2022-08-12 | 安徽光智科技有限公司 | Ultrasonic cleaning process for cemented lens |
| CN114920465A (en) * | 2022-06-08 | 2022-08-19 | 安徽光智科技有限公司 | Method for processing surface print of cleaned optical chalcogenide glass lens |
| CN114985367A (en) * | 2022-05-31 | 2022-09-02 | 光皓光学(江苏)有限公司 | Method for cleaning mold insert before film coating |
| CN115121542A (en) * | 2022-06-28 | 2022-09-30 | 安徽光智科技有限公司 | Cleaning method of asphalt on surface of optical polishing lens |
| CN115415204A (en) * | 2022-09-15 | 2022-12-02 | 安徽光智科技有限公司 | Treatment method before germanium lens coating |
| CN115463889A (en) * | 2022-10-13 | 2022-12-13 | 安徽光智科技有限公司 | Cleaning method of film coating tool |
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| CN114749421A (en) * | 2022-03-17 | 2022-07-15 | 安徽光智科技有限公司 | Ultrasonic cleaning process for lens |
| CN114733845A (en) * | 2022-04-25 | 2022-07-12 | 安徽光智科技有限公司 | Ultrasonic cleaning process for ink-coated lens |
| CN114887990A (en) * | 2022-05-13 | 2022-08-12 | 安徽光智科技有限公司 | Ultrasonic cleaning process for cemented lens |
| CN114985367A (en) * | 2022-05-31 | 2022-09-02 | 光皓光学(江苏)有限公司 | Method for cleaning mold insert before film coating |
| CN114920465A (en) * | 2022-06-08 | 2022-08-19 | 安徽光智科技有限公司 | Method for processing surface print of cleaned optical chalcogenide glass lens |
| CN115121542A (en) * | 2022-06-28 | 2022-09-30 | 安徽光智科技有限公司 | Cleaning method of asphalt on surface of optical polishing lens |
| CN115415204A (en) * | 2022-09-15 | 2022-12-02 | 安徽光智科技有限公司 | Treatment method before germanium lens coating |
| CN115463889A (en) * | 2022-10-13 | 2022-12-13 | 安徽光智科技有限公司 | Cleaning method of film coating tool |
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