KR200411315Y1 - Nano gold and silver contain a keyboard instruments - Google Patents

Abstract

The present invention relates to a keyboard 100 having a function of playing by pressing or hitting an instrument with a hand made of any one material selected from ceramic, synthetic resin, and acryl, and more particularly, gold or silver, which is an antimicrobial metal material on the material of the keyboard. Regarding the mixing (160) or coating (180) of the nano 120 powder or solution, the gold or silver nano 120 added to enhance the surface strength and sterilization and antibacterial function, lubricity, decorativeness, It relates to a functional keyboard 100 having heat resistance and durability, corrosion resistance, and chemical resistance.

Keyboard, sterilization, antibacterial, gold, silver, nano, far infrared rays, anion

Description

Nano gold and silver contain a keyboard instruments}

1 is a photograph of a grand piano and keyboard in the present invention.

2 is a photograph of an upright piano and keyboard in the present invention.

3 is a picture of the organ and keyboard in the present invention.

4 is a photograph of an electronic organ and a keyboard in the present invention.

5 is a picture of the synthesizer and keyboard in the present invention.

Figure 6 is a picture of the chamber and keyboard in the present invention.

7 is a perspective view of the keyboard in the present invention.

8 is a photograph of the keyboard in the present invention.

9 is a perspective view of the accordion in the present invention.

10 is a mixed block diagram of a key containing gold or silver nano of the present invention.

11 is a block diagram of a wet coating of a key containing gold or silver nano of the present invention.

12 is a block diagram of a dry coating of a key containing gold or silver nano of the present invention.

FIG. 13 is a photograph of a 20,000-fold magnification of a cross section of a silver nano-coated keyboard of the present invention with an electron microscope (SAM).

FIG. 14 is a photograph taken at 20,000 times magnification of a silver nano-coated keyboard of the present invention by an electron microscope (SAM). FIG.

* Description of the symbols for the main parts of the drawings *

80: keyboard instrument body

100: keyboard 120: gold or silver nano

160: Mix 180: Coating

200: deposition, lamination, deposition, thin film, plating, spraying

220: melting 240: melting

260: drying 280: stirring

300: barrel 320: elution

340: molding 360: softening

380: molding module 400: chamber

420: washing step 440: rinsing step

460: polishing step 480: plating tank

500: initial plating 520: nickel plating

540: gas injection process 560: sterilization process

580: gold or silver nano target 600: 1st surface finish

620: secondary surface finish 640: finished

The present invention relates to a key that is played by pressing or striking a keyboard instrument. More specifically, when a player wants to play the piano, which is synonymous with the keyboard instrument, he plays the music required as the first touch part. When the key is pressed, the kinetic energy moves to the next transmission medium, Axon, and the hammer strikes a string consisting of three strands to make a sound.

The material of the piano body is mainly made of maple, basswood, and white peony, which were made of elephant ivory or animal bones, but now it is made of acrylic, ceramic, and synthetic resin. The ebony is expensive, so it is only used for high-quality pianos. The width of one back gun is about 2.3cm and the black one is about 1.37cm.

 The organ is usually 61 (5 octaves) and the piano is 85 or 88 (about 7 octaves). The organ needs to use several tones, with two to five hand keys placed in parallel above and below. At the same time, there was a row of foot keys (with a long, thin rod, the standard being 2 octaves and 32).

Musical instruments are classified into piano, (grand, upright), clavic chords, wise instruments, pipe organs, lute organs, accordion, and so on. The organs, electronic organs, etc. belong to the famous musical instruments, and they originated in the Greek period by organizing the organs using Pan's Pyrenees keys. It took a functional lead. This led to the study of mono chords, which divide one line into notes, giving birth to clavi chords, and even to bastards in the 15th century. These are completely imitations of the organ keyboards, the context of which extends to the piano.

The present invention relates to a keyboard 100 having a function of playing by pressing or hitting an instrument with a hand made of any one material selected from ceramic, synthetic resin, and acrylic.

As recently known through mass media, humans usually have 200,000 bacteria / cm 2 to 300,000 bacteria / cm 3 or more of bacteria in their hands, and the number of bacteria detected when hand washing and sterilization is neglected is about 500. 10,000 / ㎠ ~ 3200 / ㎠ Ten thousand E. coli has been investigated at more than 3500 / ㎠ ~ 1100 / ㎠ 10,000, and in severe cases, even ticks, fungi, ticks were found in the airwaves, piano, organ and synthesizer

Keyboard instruments such as pianos in business places, churches, schools, performance halls, and wedding halls, where people are stained with hands, saliva, and sweat, and are used by an unspecified number of people, are always exposed to various bacterial contamination. It is.

Prior art of the present invention, the application number 20-2004-0014102, the application date May 17, 2004

Registration No. 20-0357838 Name of the design: There is a piano painted with a paint containing a photocatalyst, but the above technique is described as spraying a photocatalyst paint onto a piano body made of wood, which is antibacterial. There was no defense against this occurring keyboard.

The present invention relates to a keyboard attached to a sound-producing keyboard instrument made of any one material selected from acrylic, ceramic, and synthetic resin as described above. More specifically, mixing gold or silver nano120 (120) with the material of the keyboard (160) Or coating 180 relates to strengthening the surface strength and disinfecting and antimicrobial functions of the keyboard 100 by adding gold or silver nano 120 to the material or body surface of the keyboard 100 by injecting gold or silver nano 120. It relates to an excellent functional keyboard 100 having durability, chemical resistance and decorative properties.

Since the key 100 containing the gold or silver nano 120 of the present application is input at the time of manufacture of the key 100 without the surrounding physical and electrical sterilization, the economical antiseptic power is unpredictable and powerful antiseptic. Containing the material, if gold or silver nano is administered to the material of the keyboard 100, it can continuously obtain the following excellent advantages.

Gold or silver nano (120) is harmless to the human body and has a sterilization station and antibacterial power several times stronger than chlorine series.

If so, the characteristics of the keyboard 100 containing the gold or silver nano 120 of the present application

 1: Compared to the conventional keyboard 100, the gold or silver nano 120 mixed (160) or coated 180, the keyboard 100 has a surface strength enhancement and sterilization and antibacterial function and corrosion resistance and chemical resistance decoration It has excellent function and lubricity, and when it is used, it generates anion and far-infrared rays which are good for the body, which stimulates blood circulation and endocrine activity. It blocks more than 90% of formaldehyde, an environmental hormone, which is a problem recently. B6 protects the skin and has a soft touch and deodorant effect.

  2: It reacts sensitively according to the pollution level of the surrounding environment

It binds strongly to bacterial cell membranes and destroys the bacterial cell membranes or disrupts the function of the cells, resulting in continuous antiseptic action.

 Recent research shows that 650 kinds of bacteria and viruses can be sterilized, and it is excellent in inhibiting reproduction and antiseptic function against harmful bacteria, fungi, athlete's foot, and allergic bacteria. Alternatively, silver nano 120 catalyzes the conversion of oxygen into free radicals, which prevents the growth of bacteria that propagate by bactericidal action and sweat and body fluids or secretions secreted by the human body.

  3: There is an antistatic function. Gold or silver nano 120 has excellent electrical conductivity and plays a big role in preventing static electricity and blocking harmful electromagnetic waves.

  4: The gold or silver nano120 is very easy to coat 180 with the material, mix 120, insert, etc.

   The present invention has the purpose of completing the excellent keyboard 100 that can contribute to the improvement of national health by mixing (160) or coating (180) on the keyboard 100 by nano-ized gold or silver having an excellent effect as described above will be.

The present invention is devised to solve the above problems,

The purpose of the present invention is a continuous sterilization even in the storage process, in particular, the keyboard (100) used by a large number of people in the sanitary, entertainment venues, shops, schools, churches that are less hygienic used by many unspecified It is to provide a functional keyboard having antimicrobial ability to continuously sterilize from the risk of being transmitted to other people through the airways through human saliva and human secretions.

The present invention is to solve the above conventional problems as described above, the present invention is a powder or a powder of the gold or silver nano (120) (Nano gold and silver) form that is different from the conventional silver powder and silver ions The diluted gold or silver nano 120 solution is 0.001 based on 0.001 gold or silver nano 120 based on 100% by weight of the total weight of the key material made of any one of the material of the keyboard 100 such as synthetic resin, ceramic, acrylic, and plastic. To about 30% by weight or mixing the gold or silver nano powder or solution in PPM units between 0.001 and 5000PPM in PPM units based on the total content of the coating material coated on the surface of the keyboard 100 To form a coating 180 film of any one of deposition, lamination, thin film, deposition, plating, spraying (200) It is aimed at producing an excellent functional keyboard 100 having surface strength enhancement and sterilization and antibacterial function, lubricating function and heat resistance, durability, decoration, corrosion resistance and chemical resistance, and the coating material is a preferred coating such as conventionally known plasticizers. It will be coated using the material.

The invention of the present invention, as described above, relates to a musical instrument that produces notes using the keyboard, and most representatively, there is a piano. Even organs are subdivided into pipe organs and lead organs (also known as rhythms and harmonies), and the most popular jazz Hammond organs. In spite of the sound mechanism is treated with percussion.

The present invention is a gold or silver nano (120) on the material or body surface of the keyboard 100 used when pressing or tapping the keyboard instruments in the home or hall training halls, performance halls, churches, wedding halls, institutions, schools, businesses (hand) Nano gold and silver) powder or a mixture of gold or silver nano 120 solution of the powder diluted (160) and coating 180, more specifically any of the plastic, ceramic, acrylic, synthetic resin selected Gold or silver nano (100) powder made of a single material in the keyboard 100 made of a variety of gold or silver nano method or a solution diluted therein 0.001 to 30% by weight relative to the total weight of the keyboard 100 The concentration of the gold or silver nano solution, which is mixed 160 with the material of 100 and formed 340 or the elution 320, or the gold or silver nano solution on the surface of the keyboard 100, is measured in PPM units on the keyboard 100. Of) Mixing (160) or depositing, laminating, thin film, depositing, plating and spraying the gold or silver nano on the surface of the keyboard 100 in units of PPM between 0.001 and 5000PPM based on the total coating material content of the coating part coating the sieve surface Gold or silver nano-containing, characterized in that the coating (180) of any one of the (200) to form a dry or wet coating 180 to a thickness of 0.001 to 1000 ㎛ (micro) on the surface of the body of the keyboard 100 As for the keyboard 100,

In addition, the size of the fine particles of the gold or silver nano 120 injected into the material of the keyboard 100 relates to the keyboard 100 containing gold or silver nano, which is characterized by having a particle diameter of 0.01 to 500 nm. It is an object to manufacture a functional keyboard 100 having a surface strength reinforcement and sterilization and antibacterial function, lubrication function and heat resistance and durability and corrosion resistance and chemical resistance, anion and far infrared emission function of the keyboard 100 to be used.

 Detailed description of the silver and gold or silver nano 120 as a constituent of the present invention in order to help understanding of the present invention is as follows.

Au has traditionally made acupuncture in Chinese medicine to cure malignant swelling,

Blood bottle with powdered medicine. It was used to treat bronchial asthma and various diseases. Before antibiotic anti-inflammatory drugs appeared, Au was used to treat pulmonary tuberculosis.

Ring made of gold (Au). necklace. The reason you want to put earrings on your body is because it is a precious metal and has a better effect on the treatment of arthritis than its value.

The effect of gold (Au) in Dongbobom or herbaceous wood is even and tasteful, without poison, Jinsin, Anh and White, sincerity, five jang, It is written that it is conservative, treats the long span of the five intestines and the actual symptoms, and heals the child's game. "Diva Situanake, of Birmingham City Hospital, UK." He reported that arthritis was significantly less than the same finger on his hand.

The gold ring next to the finger also showed less damage to the joints, and the treatment of injecting gold (Au) into patients with rheumatoid arthritis began in the 1940s and was already approved by the US Food and Drug Administration.

Gold (Au 金, gold) is a copper group element belonging to group 1B of the periodic table, the element symbol Au, atomic number 79, atomic weight 196.967 melting point 1064 ℃ boiling point 2966 ℃, specific gravity 19.3 (20 ℃) This is a representative precious metal,

Au is primarily a self-help or electrum (alloy of natural gold and natural gold), which is produced in the quartz vein together with pyrite, galena and tungsten minerals. Combined with, it is produced as a tellurium gold ore in quartz veins, or in other metal ores such as copper, lead, or zinc as fine natural gold. I)

The largest natural gold found so far was found in Victoria, Australia, in 1869 and weighed 2,520 ounces.

The hardness of Au is 2.5 to 3, and the malleability and ductility are very large and normal.

The thickness of gold leaf is 0.00001cm, 1g of gold can draw 3,000m of gold thread, and the color of pure gold varies depending on its condition. The lump of yellow color is yellow, but when powder or colloid becomes purple When it melts, it becomes green, and when it forms a vapor deposition film, it turns red. When it becomes thin foil, it becomes green to blue by transmitted light.

It is a good conductor of electricity and heat, the electrical conductivity is 67% of silver, and the specific resistance is 2.2 x 10 < -6 > The thermal conductivity is 0.708 cal / cm, sec, deg, 70% of silver.

It does not change in air or water, does not change color, does not change with strong oxidizing agents, and does not dissolve in acids and bases, but it dissolves in aqua regia to form geum chloride. When oxygen is present, it dissolves in an aqueous solution of alkali cyanide salt, forming cyano succinate, and does not react with oxygen and sulfur even at high temperatures, but directly bonds with chlorine and bromine. In the compounds, the oxidation number is usually monovalent or trivalent.

Next, the method of manufacturing gold varies depending on the calculation state and other situations, but generally, the method of collecting gold varies depending on place of gold and gold.

In the case of placer, there are urine method, urine method and gutter method that use a large amount of gold. In the case of the urine law and swelling (함) in the water in the water, and then shakes back and forth, light soils are removed and heavy gold (Au) is left at the bottom of the bowl.

In the gutter method, dozens of gutters, 40 cm deep, 30 cm deep, and 40 m long, are connected to each other by pouring water into the gutters and adding alloy sand into the water to remove light soil and leave heavy gold in certain areas.

In the case of acid gold, the Honghong method and cyanization method are used. In the Honghong method, gold is used to make mercury and amalgam well. When mercury is volatilized in amalgam, only gold is left.

That is, the ore is first pulverized in water and then flowed over the surface of the copper plate formed with amalgam with mercury to collect the light malt formed on the copper plate, and then distilled with iron retort to remove mercury.

The extraction rate of gold is 60 to 80%, the rest is reprocessed by cyanation, etc., and the cyanation method uses a property that an aqueous solution of sodium cyanide can dissolve gold in the presence of air.

    2Au + 4NaCN + O + H 2 O → 2Na Au (CN) 2 + 2Na OH

The liquid in which gold is dissolved is called ear fluid, and zinc is added to this solution.

    2Na Au (CN) 2 + Zn → Na 2Zn (CN) 2 + 2Au

Precipitates gold by, and rarely uses the halo and cyanide methods alone, and uses them in combination.

The dry process is used in copper and lead dry smelters. In the smelting of copper and lead, silicate ore is required as a flux. Instead, gold ore is used as a byproduct.

 Next, look at the purification of gold is as follows.

 The subsidiary pension and the dry method contain silver and others, so that the acid is separated by the method and the electrolytic method. Dissolving silver with sulfuric acid and leaving only gold,

The electrolytic method is a method in which a little is cast into a plate to make an anode, and gold is deposited on a pure gold plate of a cathode using gold chloride as an electrolyte.

The temperature of the liquid is maintained at 60 ~ 70 ℃, and it is electrolyzed. When the amount of gold is small, only direct current is used, but in many cases, the silver chloride film on the anode surface is removed by alternating direct current and alternating current, and the deposited gold is graphite. It is made by melting in the crucible, the purity of which is 99.99%.

 It was already discovered by other scientists in 1999 that the gold (Au) becomes a gold (Au) catalyst that promotes the reaction very effectively when it is reduced to nanometer (nm, 1m / m) levels. Adsorption of these gold molecules (gold octimers) onto a magnesium metal oxide with surface defects results in an electrical charge in which electrons from the magnesium surface defects are transferred to the gold catalyst. It has been found to weaken and break and promote new binding reactions. This principle has been confirmed through simulations of quantum mechanics and vibration frequency measurements of reactant molecules.

Nano-size gold grains are also used as secondary transducers, and are dispersed evenly in a solution to make use of the properties of gold nanoparticles (100) that change color when they are aggregated. It can also be used to check.

First, a gold grain is prepared by attaching a complementary DNA strand to one end of a specific portion of anthrax DNA, and then a gold grain is attached to the opposite end of the anthrax DNA. When these two kinds of gold grains are put into a solution, they are mixed with each other and present in an evenly dispersed form. When a sample containing anthrax DNA enters, the anthrax DNA connects two kinds of DNA strands attached to the gold grains.

As a result, the gold grains agglomerate and change color to detect the presence of anthrax. In this case, the DNA attached to the gold grain acts as a primary transducer, and when aggregated, the nano-gold grains representing the color change are secondary transducers. Play a role.

The following is a description of silver. The atomic weight of silver is 107.87 amu, and silver (Ag) has been known for a long time.

The high purity silver hardness is Brinell hardness HBS (10/500) 25-27, tensile strength 12-16 kgf / mm <2>, the tensile strength of the cast thing is about 29 kgf / mm <2>, and recrystallization temperature is 150 degreeC.

    In particular, in the case of pure silver, the processed hardened material is softened by recrystallization at normal room temperature and softened softly. The malleability and flexibility are rich after gold.

Characteristics of silver: The color of silver is gray in the case of elegant gray-white metal or powder, specific gravity is 10-12, Mohs hardness is 2.5-3, and melting (80) point is 960.5 ℃.

In particular, the melting point of silver (80) is very important for temperature compensation of high thermometers, which is the standard of scientific and industrial temperature, and silver is the best conductor of metal, and is used comprehensively for contacts and other electronics. Optically, the reflectance for visible light is 90%

It is one of the most excellent metals, such as platinum, and sterling silver does not produce rust even when left in the air or heated. However, the film of the camera should be especially careful because it reacts with sulfur and hydrogen sulfide to make silver emulsified silver.

     In addition, the mechanical properties change depending on the amount of impurities (O₂) contained in the silver, and the hardness of the high-purity silver obtained by thermal annealing is Brinell hardness HBS (10/500) 25-27, tensile strength 12-16kgf / mm2. The cast strength of the cast was up to about 29 kgf / mm 2, the burn rate was 48 to 54%, and the recrystallization temperature was 150 ° C.

    In particular, in the case of pure silver, the processed hardened material is softened by recrystallization at normal room temperature and softened softly. The malleability and flexibility are abundant after gold, and the thin silver plate, which is thin silver plate, can be spread to a thickness of 0.2 μm.

     Silver's efficacy has been used as a tool to check the imbalance of the body that the person does not feel because the gloss or color changes depending on the condition of the body when worn on the body since ancient times. Fatigue or low rhythm) and Dongbobom said that it is effective in the prevention and treatment of mental disorders and gynecological diseases such as epilepsy and game, and it also acted as a herbal medicine powdered silver. The five chapters are comfortable, the mind and body are stable, and the main body writes that it prolongs morale by lightening the body and lengthening the body.

      Also, when the Black Plague prevailed in the Middle Ages, nobility of the black aristocrats and royals, who had many silverware and silver utensils, did not have black plague, which released silver to the extent that it was able to sterilize the Black Plague bacteria, making it relatively safe from infectious diseases. In the place where the royal family and the state guests were served, silver products were used habitually.

    Silver nano 120 is a field of Na-no-technology. It is an advanced antiseptic that utilizes a strong antimicrobial and sterilization function of silver, and excellent electrical conductivity mechanism. Nano gold and silver is a traditional antibiotic. Unlike the material, bacteria are not resistant, and gold or silver nanos have been shown to kill almost all single cell germs on the ground in a short time.

  As described above, the production method of the silver nano 120 has been widely released and good methods are being developed and developed one after another. The conventional production method of the silver nano powder includes a gas phase method, a liquid phase method and a mechanical method. In addition, there are gas condensation method and gas phase reduction method, and there is also a mechanical grinding method using mechanical force.

The uniformity of the particle size of the prepared powder is good and can produce particles of high purity, and the advantages and disadvantages of preventing the agglomeration of the particles have the disadvantage that the experimental equipment is expensive.

In addition, the manufacturing method using the liquid phase is capable of producing a uniform powder than the manufacturing method using the gas phase, and also has the advantage of manufacturing the powder at a low device cost, but the tendency of aggregation of the individual particles is very strong and the shape of the particles is somewhat irregular The disadvantage is that.

Next, there is a systematic method, a manufacturing method, there is a problem in the mixing of impurities generated in the manufacturing process and the disadvantages of aggregating phenomenon is severe, while there is an advantage that can easily mix (160) several components.

 The conventional silver nano 120 produced according to the manufacturing method of the silver nano 120 is applied to the present invention to produce a keyboard 100 having functional antibacterial and chemical resistance surface strength lubrication and decorative properties. .

Silver nano 120 of the present invention is ultra-fine particles having a particle diameter of 0.01 to 500nm, acting directly on harmful bacteria, directly dissolving cell membranes of harmful bacteria, and interfering with the electron transfer system of harmful bacteria, thus making sure and excellent antibacterial activity. Has antibacterial activity (99.9%).

The main antimicrobial mechanism of silver nano 120 is to dissolve harmful bacteria cell membranes and work with enzymes in the cells to block the metabolic function of nutrients, that is, the influx and discharge of nutrients, and to stop the respiratory function and production of harmful bacteria, thus stopping the growth of harmful bacteria. And destroys regenerating ability to kill harmful bacteria.

     In addition, since the silver nano 120 continuously controls the harmful bacteria by releasing antimicrobial activity from the fine particles, the antimicrobial and bactericidal function has excellent sustainability.

Therefore, silver nano is not resistant and silver nano has a surface reaction to have an effect, and kills 99% of all bacteria, and is particularly effective for general E. coli and food poisoning.

   The smaller the nanoparticles, the better the bactericidal and antimicrobial activity. Based on the experimental data so far, Escherichia coli, Staphylococcus aureus, Salmonella, Vibrio bacillus, Heterogeneous bacteria, Pneumococcus, Typhoid bacillus and the most resistant MRSA Resistant Staphylococcus aureus) can be 99.9% antibacterial and sterilized.

     The present invention, as described above, gold or silver nano (120) on the surface of the material or body of the keyboard 100, which is used when pressing or tapping the keyboard in the home, hall, school, church, school, performance hall, wedding hall, institution, business (160) or coating (180) a powder in the form of (Nano gold and silver) or a diluted gold or silver nano (120) solution to strengthen the surface strength, sterilization and antibacterial function, and lubrication on the keyboard (100). It relates to an excellent functional keyboard 100 with the function and heat resistance and durability and corrosion resistance and chemical resistance and far infrared and anion emission.

Next, a brief description of the keyboard 100 containing the gold or silver nano 120 of the present invention for achieving the above object is as follows.

 Hereinafter, with reference to the accompanying drawings a preferred embodiment of the present invention will be briefly described.

1 is a photograph of the grand piano and keyboard in the present invention is a photograph showing a grand piano used in homes, halls, churches, wedding halls, institutions, businesses,

Figure 2 is a picture of an upright piano and a keyboard of the home mainly used in the home in the present invention as a photograph.

3 is a picture of the organ and keyboard in the present invention.

4 is a photograph of an electronic organ and a keyboard in the present invention.

5 is a picture of the synthesizer and keyboard in the present invention.

Figure 6 is a picture of the chamber and keyboard in the present invention.

Figure 7 is a perspective view of the keyboard and the organ of the keyboard in the present invention in a perspective view.

Figure 8 is a picture of the keyboard in the present invention shows a picture of the keyboard of the piano and organ.

9 is a perspective view of the accordion in the present invention shows a picture of the accordion mainly used by students.

FIG. 10 is a block diagram of a mixture 160 of gold or silver nano-containing keys of the present invention, and a key 100 made of any one material of metal, ceramic, acrylic, or synthetic resin containing gold or silver nanos of the present invention. As a block diagram of the mixture 160, the raw material of the keyboard 100 is introduced into the vessel 300 and heated to melt 240 or melt 220, and form a gold or silver nano 120. After the powder or the gold or silver nano (120) solution diluted with the powder was added and stirred (280), and then added to the forming module 380, after molding (340) through the cooling process (460) completed through the polishing process (460) 640) a powder in the form of gold or silver nano 120 (Nano gold and silver) based on 100% by weight of the total weight of the material of the keyboard 100 made of any one material selected from metal, ceramic, synthetic resin, and acrylic. Gold or silver nano (120) solution diluted with the powder in 0.001-30 The amount of gold or silver nano 120 particles added to the keyboard 100 in an amount% relates to a keyboard 100 having a particle diameter of 0.01 to 500 nm, and a method of manufacturing the keyboard 100 of the present invention is generally. It is to follow the manufacturing process of a known conventional keyboard 100.

11 is a block diagram of a wet coating of a key containing gold or silver nano of the present invention.

Gold or silver nano 120 powder of the present invention or a gold or silver nano 120 solution in which the powder is diluted is 0.01 to 1000 μm (micro) thick on the surface of the keyboard 100. As a block diagram of the coating 180 process by any one of the method of deposition, deposition, lamination, thin film, plating, spraying 200 as described below.

Coating 180 is generally divided into deposition, thin coating (180) and electroless coating (180), deposition, deposition coating (180) and spray coating (180) is largely divided into silver A solution containing ions is required and a gold plating solution is required to gold-plating. In order to coat 180 the exterior of the finished keyboard 100, electroless gold or silver nano-120 is electroless. Both electroplating electroplating wet plating method or dry plating method using plasma can be used.

 The present invention follows a conventional coating 180 method, and many types and methods of the coating 180 can not list all of them. As an example, the first method of plating gold or silver nano includes electroplating and electroless plating. It is divided and electroplating uses electric current and electroless plating is literally plated through chemical reaction without electricity. In other words, plating means that metal ions receive electrons and are reduced to stick to a specific surface. Known plating is the most commonly used plating method using electricity from the rectifier.

 However, in places where electricity does not flow, such as synthetic resins, rubber, and silicones, which cannot provide electricity to the substrate, metal cannot be deposited on the substrate because it cannot be plated. The sieve is plated.

There are two methods of electroless plating, one of which is ① reduction plating ② substitution plating method. The reduction plating method is a plating method in which metal is precipitated through reduction reaction. Activates the substrate surface to "+" state. When controlling, the surfactant component is used.

1) Catalyst: Colloidal component of Palladium is attached to the surface of "+" activated synthetic resin.

2) Accelerator: (Palladium) It removes Sn (Tin) which is contained in Palladium colloid and protects Pd and makes Pd Metal precipitate on the surface of synthetic resin.

3) Electroless chemical plating: copper ions, ethylenethiamine tetraacetic acid (EDTA), sodium hydroxide (NaOH), formaldehyde components, Pd acts as a catalyst when Na OH raises the pH above 11 Formaldehyde undergoes a powerful reducing action, at which time electrons are generated and these electrons flow into the copper ions, whereby copper ions are deposited on the Pd catalyst to be applied.

The second substitution plating is as follows.

Substitution plating method is caused by the difference of oxidation / reduction power. Representative materials of substitution plating are Ni / Au, Ag plating, and Ni is electrodeposited on the metal surface using the same method as electroless chemical copper plating method.

Then, when immersed in a solution containing silver ions, the silver ions are inherently stronger than nickel, so the reducing power is much stronger than that of nickel. It is oxidized to become an ion, and silver receives electrons from nickel and is reduced to become electrodeposition.

Next, the electroplating 180, which is electroplating, will be described.

 When the electrode is placed in an aqueous solution containing metal ions and a current is passed through it, the metal ions are discharged and precipitated from the cathode, and a thin film of metal is formed on the surface of the article placed on the cathode.

The purpose of the coating 180 is to beautifully finish the exterior of the article, to increase corrosion resistance, to resist wear and corrosion, and to obtain other necessary surface properties. This is to increase the antibacterial and sterilizing power of the keyboard (100).

 The general procedure of the electroplating in the present application is to plate the nickel of the pre-plating process so that the surface of the keyboard 100 is first coated with copper 500 and secondly the gold or silver nano 120 coating 180 is coated well ( This process may be omitted as necessary and the last step is to coat the gold or silver nano 120 (180).

 Gold or silver nano 120 is used as a cathode, and an object to be electrodeposited is used as an anode, placed in an electrolyte containing nano silver ions to be electrodeposited. Ions will stick to the surface of the keyboard 100.

Looking at the process of coating the gold 100 or silver nano 160 on the keyboard 100, a washing process 420 and a rinsing process 440 that shake off impurities on the body of the completed keyboard 100 are performed 640. After passing through a polishing process (460) with abrasion (麻布) and washed again with clean water (洗滌) and immersed in the plating solution.

In the plating tank 480, the keyboard 100 is stored in a container that holds the keyboard 100 to be coated 180 with gold or silver nano 120, and the keys 100 and -Connect the gold or silver nano plate 580 to the pole side, inject the gold or silver nano 120 solution containing gold or silver nano 120 ion, and flow DC electricity to the + and-poles. And gradually become the coating (180) with gold or silver nano (120) (Nano gold and silver) on the keyboard (100) and the coating (180) with gold or silver nano (120) (Nano gold and silver) keyboard (100) After the washing process 420 and drying (260) once again after the drying (260) is to be completed and packaged after 640.

As described above, an object to be coated 180 is attached to the negative electrode of the electrode (the keyboard 100 is attached, and the gold or silver nanoplate 580 is attached to the positive electrode) so that the positive and negative ions of the silver are dropped, where the electron is a negative electrode ( 100) and of course, the aqueous solution contains nano gold and silver ions (120)-When the electrons come to the pole gold or silver nano (120) ions in the aqueous solution around the keyboard (100) This will be attached to the keyboard (100) gold or silver nano (120) (Nano gold and silver) wet coating 180 is to be.

 The thickness of the coating 180 of the gold or silver wet coating 180 (Nano gold and silver) 120 is coated with a thickness of 0.001 μm to 1000 μm (micrometer) and the keyboard 100 by weight ratio. The amount of the particles of the gold or silver nano 120 is to be coated 180 with a particle diameter of 0.01 to 500nm.

In addition, the embodiment of the gold or silver nano 120 coating 180 is designed according to the conventional coating 180 method, and the coating 180 material is used as the aged gold or silver nano (120) material It is characterized by.

FIG. 12 is a block diagram of the dry coating 180 of the key 100 containing gold or silver nano of the present invention, and coating all the keys 100 of any one material selected from plastic, ceramic, synthetic resin, and acrylic. If you look at the method of plasma coating 180 of the dry plating of the keyboard 100 of the present invention method of sputtering, deposition, a thin film as follows.

Plasma is a gaseous state that is separated into electrons with positive charges and positively charged ions at high temperatures, and has a high degree of charge separation but is neutral because of the same number of positive and positive charges.

 Since the long-acting Coulomb force acts between charges, it is characterized by the collective action of the whole moving under the influence of the distant state rather than the local state of the short distance. In 1928, I. Langmuer, USA, first applied the concept of plasma to ionized gases produced during electrical discharges.

  Plasma is derived from the Greek words πλσμα, -ατos, τ, and its original meaning is that it is built and assembled, and as the characteristics of group behavior suggest, it actually deals with plasma. There is a view that Plasma itself is usually behaving arbitrarily rather than easily controlled from the outside, and that the original name is wrong.So, Plasma is the fourth to be followed by solid, liquid, and gas (three states of matter). It is called material state.

As the temperature gradually increases, almost all objects change from solid to liquid and gaseous state, and at tens of thousands of degrees Celsius, the gas is separated into electrons and atomic nuclei into plasma.

Each object that makes up the plasma is electric, so it is very different from the neutral gas, has a high electrical conductivity, and the current is limited to the surface like a metal conductor. When applied, it is easily affected by the force as a charge, but as the charge density increases, the group movement differs from the individual movement, and the self-closing required by nuclear fusion means that the charge follows the magnetic field line. It is used to confine the Plasma to it by properly deforming the magnetic force line and confining it to a place in space.

 In the past, plasma research has been conducted in geophysics and astrophysics related to plasma around the earth and celestial bodies, but recently, the development of electromagnetic fluid dynamics (MHD) using the electrical properties of plasma, ion engines of space travel rockets, Research is underway for nuclear fusion research, and it has been a long time since the Department of Plasma was established in the science and engineering fields of Korean universities.

 As such, the high temperature and active chemical properties of plasma can provide extreme environments that are difficult to obtain by conventional methods and can be used to give new physical and chemical properties different from the body by changing the properties of new materials, metals or polymer surfaces. there is,

Diamond, for example, is an important material not only for jewelry but also for industry because of its high hardness, thermal conductivity, refractive index, and large band gap. Artificial synthesis of diamond was developed by GE company in USA in the 1950s. Although a high temperature and high pressure method has been mainly used, it was found in the early 80s that diamonds could be obtained in a thin film form from methane gas plasma at low pressure in the USSR. Medical Device Coatings 180 New applications are actively being explored.

In addition, the wear-resistant coating 180, the decorative coating 180 of the tool, it can be made by the dry method through the reactive ion plating or sputtering, thin film method used as a diffusion barrier at the contact point in the manufacture of the semiconductor device.

In addition, if the surface of the polymer is treated with nitrogen or oxygen plasma, it can give hydrophilicity or hydrophobicity to the surface of the polymer, or it can improve antistatic, dichroic, deep color, etc. When contacted with a plasma and biased, a nitride or carburized layer is formed on the surface to improve the hardness, wear resistance, and corrosion resistance of the metal.

Some of the effects that can be obtained by the surface coating 180 and the reforming technique using plasma can be obtained by the conventional wet plating or coating 180 method. However, in consideration of environmental pollution, dryness using plasma can be achieved. The method has many advantages, and the application of thermal plasma enables plasma welding, cutting, processing of plasma materials and thermal spraying, and melting high-melting powder into plasma to solid surface. Coating 180 on (coating) is to significantly increase the heat resistance, corrosion resistance, wear resistance and the like.

 In addition, ultra-fine particles can be manufactured and the particles synthesized using high temperature and high activity of thermal plasma are quenched and synthesized into ultra-fine particles to deposit plasma chemically or physically and to produce a functional film using plasma. The high temperature, high activity of the thermal plasma allows the waste to be decomposed and vitrified.

As such, the plasma coating 180 turns the vacuum chamber 400 into a vacuum, injects argon and other inert gas, and then causes an electrical discharge. The gold or silver nano 120 atoms are collided with the nano 120 targets (gold or silver nano plates) to protrude in a gaseous state to be coated 180 on the plated chain key 100. The thickness can be controlled in nano units.

The deposition principle is that the operation of the vacuum pump 240 collects high-power laser light into a deposition target located in a vacuum chamber, and the pulse rapidly raises the temperature of the deposition material gold or silver nano-key surface. Explosive vaporization, or eruption.

When the holder of the keyboard, which is the coating, is placed close to the deposition target 580, the molten material is blown onto the substrate to be uniformly deposited. The low temperature deposition step and the high temperature deposition step of depositing the remaining film by raising the temperature above the deposition temperature of the low temperature deposition step are performed. It is extremely desirable to use a two-stage deposition method and a laser deposition method.

A first step of, under first deposition conditions, first depositing a gold or silver film of a predetermined thickness onto the surface of a key of the present invention; And a second step of second depositing a coating film on the first deposited gold or silver film under a deposition condition changed to be different from the first deposition condition. Positioning in); Providing a gold or silver target (580) and the target (580) arranged to face away from the target (580) to expose to an inert gas in the plasma apparatus; Supplying at least one reactive gas into the plasma apparatus;

Supplying power to the plasma apparatus;

By the above operation, a gold or silver film is formed on the surface of the keyboard at a temperature of 20 to 400 ° C.

Depositing a film in thickness; And increasing the temperature of the chamber 400 to 50 to 800 ° C. after the deposition step, and depositing the coating 180 to a thickness of 0.001 to 1000 μm (micro) on the surface of the primary keyboard. including

Introducing an inert gas 320 into the chamber 400; Chamber 100 with a rotating body for rotating the keyboard 100 and a holder (not shown) for attaching the keyboard 100 for effective coating of the keyboard 100 around an axis perpendicular to the holder and the surface of the keyboard. A gas inlet port for introducing a sputtering gas into the chamber 400;

A target 580 for emitting silver or gold particles by sputtering set in the chamber 400; The surface of the keyboard 100 is preferably installed perpendicular to the direction in which most of the particles are emitted from the target 580 by the plasma.

In the plasma sputtering of the present invention, the vacuum chamber 400 is used to generate ions. The ions generated in the chamber 400 allow the ions of the keyboard 100 to be generated.

Evaporate the solid in the high vacuum state on the surface to form a thin film or thick film. First, argon (Ar) gas is used to generate the coated particles, and the source material and the keyboard 100 are high voltage power supplies. It is placed on the opposite parallel plate connected to the deposition process is to first vacuum the chamber 400 by the operation of the vacuum pump 240 and then to flow a low pressure sputtering gas, usually argon into the chamber 400.

 When voltage is applied to the electrode, argon gas (Ar +) is ionized and metal ions are generated between the plates, and the plate covered with the source material is maintained at a negative potential, so the argon ions are accelerated to the plate covered with the source material. Source atoms and molecules are released from the plate by the impact of the fly to the surface of the keyboard 100 to be deposited.

 On the other hand, in the vacuum of 0.001 to 0.10 Torr in the inert (mainly argon) chamber 400, a high voltage of thousands of volts is applied between the electrodes to cause an abnormal discharge, thereby causing the inert ions to collide with the target 580 to convert the momentum into the target 580. The material is blown with a gas and reaches the surface of the keyboard 100 attached to the key holder and is coated.

The diameter of the target 580 is 200 mm, for example, and the target 580, the keyboard 100, and the holder

The distance between them is, for example, 200 mm and is located near the rear side of the target 580 so that the area where most particles are emitted can be an area of 100 mm in diameter of the target 580.

In the sputtering apparatus configured as described above, the distance between the target 580 and the keyboard 100 is longer than the diameter of a general sputtering technique, and sputtering is performed at a low pressure, so that the particles are not dispersed by molecules of the sputtering gas, The keyboard 100 can be reached.

On the other hand, in the circumferential portion of the keyboard 100, the number of particles discharged from the circumferential region of the target 580 by sputtering is smaller than the particles emitted from the central portion of the target 580 is aged.

Therefore, in the through hole formed in the silicon oxide film 260, the Ti film formed on the inner wall surface is closer to the circumferential portion of the keyboard 100 than the thickness at the portion closer to the center of the keyboard 100. Have a thick thickness.

 The keyboard 100 has the surface of the keyboard oriented in a direction in which most particles are released from the target 580 by sputtering, and a line perpendicular to the keyboard 100 can almost penetrate the center of the target 580. The key holder is positioned in this manner.

The sputtering gas is then introduced into the chamber 400 and as a result, the average free path of the molecules of sputtering gas is longer than the distance between the center of the target 580 and the keyboard 100, the keyboard 100 In a state where it can be rotated around an axis perpendicular to the surface of the particles, particles are released from the target 580 by sputtering.

The direction in which most of the particles are released from the target 580 by sputtering is most preferably a direction perpendicular to the surface of the target 580.

In the plasma of the present invention, when high-energy particles collide with the surface of a solid, atoms of gold or silver nano target 580 (target) materials are exerted out of the surface by exchanging momentum by a completely elastic collision.

Apply a negative voltage to the target in the vacuum, insert an inert gas containing argon (Ar), helium, and nitrogen gas, operate a suitable high-power vacuum pump to apply a vacuum, and glow discharge occurs on the target 580. Applying a magnetic field promotes evaporation.

When ions collide with kinetic energy larger than the binding energy between atoms of a material

This ion bombardment pushes atoms between the lattice of the material to different locations,

The phenomenon of surface escape of atoms is called "sputtering" in physics.

In addition, sputtering in thin film deposition can be regarded as a concept that includes two processes, the release of target atoms and the attachment of atoms to substrates, and the sputtering process. The best feature is that almost all materials can be used as targets because the movement of the deposited material into the gas phase is not a chemical or thermal process but a physical momentum exchange process. There is an advantage.

The plasma phenomenon is used to form a gold or silver nanoparticle film on the surface of the keyboard or ion-beam, electron-beam, or radio-frequency laser sputtering. It is also possible to coat the gold or silver nano keys of the present application by using.

 The use of the laser has advantages such as higher quality, simplicity and reproducibility, and the biggest advantage is that a vacuum is not required, unlike other methods, and liquid or gaseous deposition materials can be used. .

Excimer Laser sputtering produces 248 nm of KrF (Chryrofluoride), 193 nm of ArF (argon fluoride), 308 nm of XeCl, pulses of 1-20 Hz, and energy per unit area per pulse. The lens is focused to about / cm ^ 2.

In addition, the target 580 uses a polycrystalline ceramic and uses a substrate similar to the crystal structure of a thin film component to be made, and has a triangular base surface hexagonal structure.

 Al 2 O 3 (sapphire) may include LaAlO 3 (3.838 A), SrTiO 3 (3.905 A), MgO (4.212 A), etc., depending on the square base plane lattice constant, and glass, stainless steel, or the like.

An object of the present invention is to solve the above problems, to provide a method for producing a gold or silver ultra-fine particle film having a low half-width, low roughness, high lubricity and antimicrobial activity using a plasma dry deposition method.

In summary, the coating method is to put the keyboard 100 into the washing tub to inject foreign matters on the surface of the finished keyboard 100 (640), injecting the cleaning solution and using the washing machine to the inside of the keyboard 100 or After the washing step 420 of washing the impurities in the external manufacturing process,

After the rinsing process (440) and the drying (260) in the dryer to evaporate the water on the surface of the keyboard and the keyboard 100 is attached to the holder (not shown) is put into the plasma chamber 400 under vacuum After the gas is injected and the plasma 100 is subjected to a sterilization process 560 outside of the keyboard 100, a gold or silver nano 120 surface treatment coating is performed.

Next, after the plasma sterilization process (580) and the gold or silver nano (120) primary surface treatment (600), the surface adhesion of the keyboard 100 coated with gold or silver nano (120) (180) Plasma secondary surface processing (620) and reinforcement treatment to enhance and increase the strength of the keyboard 100.

Example 1

Gold and silver were deposited by dry sputtering by plasma under the following conditions.

Deposition process,

Place: S University Plasma Center.

Equipment specifications

CHAMBER size 850 W × 850 L × 700 H

TARGET size: 375 × 120

TARGET 1PART 2EA (TOTAL: 6EA)

MAGNET 1PART 2EA (TOTAL: 6EA)

POWER DC OR RF

MBP + SCREW PUMP 7000L / MIN

TURBO MOLECULAR PUMP 3000 M3 / H

Holder: rotary, holder

Basic pressure: 10 -5 torr or less

Gas used: Ar (99.99%), oxygen (99.999%)

Process Pressure (Ar Pressure) 1 ~ 10 mtorr

Gas Flow 9-100 cc / min

Temperature Room Temperature

Power: 10-150 W

Silver target: purity 99.99% Ag

Chamber temperature: 80 ℃

Silver target: purity 99.99% AG

Gold target: purity 99.99% AU

Coating sieve: Acrylic material keyboard

Coating time: 60 ~ 120 minutes

First, the deposition power was set to 120 W, and then a film was prepared in nano units of gold or silver on the keys of the coating chain ceramic and acrylic material by varying the deposition pressure, and the electrical resistivity and adhesion of the film according to the deposition pressure change. As the change in characteristics, the electrical resistivity was smallest at 5.014 μΩ cm at the deposition pressure of 20 torr, and the electrical resistivity tended to increase at higher deposition pressures, and the gold coated on the surface of the keyboard 100 was shown. Or silver was formed in nano units, the surface was very smooth and uniformity appeared.

As described above, in the apparatus for implementing the sputtering method using the deposition step of the present invention, a cathode is installed in the chamber 400, and a gold or silver target 580 is attached to the lower portion of the cathode wood and the target 580 is attached. The power source for applying the DC bias is installed.

A positive pole facing in parallel on the same axis as the target 580 is provided, and a key holder on which the keyboard 100 is attached is located on the upper portion of the anode.

 In addition, a vacuum system including a vacuum pump (not shown) is installed to inject an inert gas including oxygen and argon inside the chamber 400 and generate a vacuum inside the chamber 400. When sputtering deposition by plasma using such an apparatus, the generated + ionized noble metal gas collides with the gold or silver target 580 subjected to the negative bias voltage, and the particles falling off fly toward the keyboard 100. It is to be deposited on the surface of the keyboard 100.

In the plasma coating 180 of the gold or silver nano 120, the plasma plating coating 180 is completed by coating 180 with plasma to a desired thickness of 0.001 μm to 1000 μm (micrometer). Or mix the gold or silver nano 120 powder or solution in the material of the keyboard 100 at 0.001 to 30% by weight based on 100% by weight of the total weight of the keyboard 100 (160) Or deposit 180 gold or silver nano 120 on the surface of the keyboard 100 to the thickness of 0.01 to 1000 μm (micro), coating by any one of the deposition, lamination, thin film, plating, spraying (200) method (180) It is also possible.

As a result, the keyboard 100 mixed (160) or coated with 180 (100) with gold or silver nano 120 is completed (640), and is clean, hygienic and effective in use.

Next, the cross-section, side and surface of the gold or silver nano 120 of the present invention are shown in the drawings in the drawings for the understanding of the present invention with an electron microscope, respectively.

FIG. 13 is a photograph of a 20,000-fold magnification of a cross section of a gold nano-coated keyboard of the present invention with an electron microscope (SAM).

FIG. 14 is a photograph taken at 20,000 times magnification of a silver nano-coated keyboard of the present invention by an electron microscope (SAM). FIG.

The above has been described in detail with respect to the overall manufacturing process and configuration of the musical instrument keyboard 100 of the present invention and the surface reinforcement, lubrication, heat resistance and durability and decoration and anion and far infrared emission of the keyboard 100 of the present invention For anti-sterilization, gold or silver nano 120 is extremely preferred, and the amount of the mixture 160 is preferably 0.001 to 30% by weight based on the entire keyboard 100.

 At 0.001% by weight or less, the lubricity, heat resistance, durability, surface strength reinforcement and antiseptic effect are not exhibited at all, and at 30% by weight or more, the price increase and viscosity are too large, the unit price is increased, and the strength is lowered. This is because manufacturing is difficult in practice.

The present invention is a gold or silver nano (120) material having a strong antibacterial sterilization action and heat resistance and durability as described above of the keyboard made of any one material selected from plastic, ceramic, synthetic resin, acrylic material of the keyboard 100 The thickness of the coating (180) or the coating (180) at the time of coating (180) is 0.001 to 1000 μm on the surface of the keyboard (100) The keyboard 100 can be used as the thickness.

The present invention is to mix (160) gold or silver nano (120) (Nano gold and silver) to the keyboard 100 or to deposit, deposit, laminate, to a thickness of 0.001 to 1000 ㎛ (micro) on the outer surface of the keyboard 100, Coating 180 in one of the preferred methods of thin film and plating spraying 200 to enhance the surface strength of the keyboard 100 and to have excellent sterilization and antibacterial function, lubrication function and heat resistance, durability and decoration, corrosion resistance and chemical resistance. It is characterized in that it has a functional keyboard 100.

The coating material is to mix (160) or coat (180) the gold or silver nano to a coating material such as conventionally known plasticizers, synthetic resins, polymers, and inorganic compounds.

In addition, the terms or words used in this specification and claims are not to be construed as limiting in their usual or dictionary meanings, and the inventors will appropriately define the concept of terms in order to best explain their own design. Based on the principle that it can be done, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be substituted for them at the time of the present application It should be understood that there may be equivalents and variations.

As described above, the present invention is a gold or silver nano (120) (Nano gold and silver) powder having a number of advantages or a nano silver (Ag) solution diluted therein in the keyboard instrument of the keyboard 100 Gold or silver nano 120 is mixed in a constant weight ratio of 0.001 to 30% by weight based on 100% by weight of the total weight of the material of the keyboard made of any one of plastic, ceramic, synthetic resin, and acrylic (160) do or Alternatively, the gold or silver nano 120 material may be deposited on the outside of the keyboard 100 in a thickness of 0.001 to 1000 μm (micro) to a thickness of 0.001 to 1000 μm (micro) to deposit, deposit, laminate, thin film, plate, or spray the coating by any one of the preferred methods ( 180) of the keyboard 100

It can have secondary bacterial infection prevention, surface strengthening, heat resistance, durability, lubrication, anion and far-infrared generation effect when used. The weight of gold and silver in the keyboard (160) is 0.001 to 30% by weight and PPM. The gold or silver nano solution on the surface of the keyboard 100 is suitable for 0.001 to 5000 PPM units for the total content of the coating material of the coating part. At 0.001% by weight, the dosage is so small that the expected effect cannot be expected. Due to the high price of gold and silver, the manufacturing cost increases and the viscosity is high, making it difficult to mix, and the PPM content of gold and silver is 0.001 to 5000 PPM for the coating body on the surface of the keyboard during coating. In the PPM, the bacterial infection prevention, heat resistance, durability, decoration, lubrication, anion and far-infrared ray generating effects are not possible at all. 00 PPM content is too high and difficult to coat.

In addition, the size of the fine particles of the gold or silver nano 120 is added to the surface of the keyboard 100 has a particle diameter of 0.01 to 500nm and the coating thickness is 0.001 to 1000㎛ (micro) thickness on the surface of the keyboard 100 The coating 180 is preferable, but the coating film is too thin at 0.001 μm, so no coating effect or color change can be expected, and at 1000 μm or more, the coating film is too thick, resulting in an increase in manufacturing cost and thickness of the keyboard.

In the above, the embodiments or preferred embodiments of the present invention are easily described, and those skilled in the art to which the present invention pertains can devise the present invention in various ways without departing from the scope and spirit of the present invention described in the claims below. It will be appreciated that modifications and variations are possible.

Claims (5)

In the keyboard 100 of the keyboard musical instrument making a sound made of any one material selected from plastic, ceramic, synthetic resin, acrylic. Gold or silver nano (100) powder or solution of the entire material of the keyboard 100 A key containing gold or silver nanos, characterized by having a structure in which 0.001 to 30% by weight is mixed (160) and shaped (340) with respect to 100% by weight. The method of claim 1,  Mixing the gold or silver nano 120 solution on the material or body surface of the keyboard 100 on the surface of the keyboard 100 in units of 0.001 to 5000 PPM based on the total content of the coating material of the coating part of the keyboard 100 (160 Or a gold or silver nano-containing keyboard, characterized in that it further comprises a coating (180) film of any one of deposition, lamination, thin film, deposition, plating, spraying (200). The method according to claim 2, The gold or silver nano (120) powder or gold or silver nano (120) solution of diluted gold or silver nano-containing key, characterized in that the wet or dry coating (180) on the surface of the keyboard (100). The method of claim 3, wherein In order to dry the coating 180 on the surface of the keyboard, a silver or gold target 580 is attached to the chamber 400 and supplied with power, and the spray by plasma having the dry coating 180 to a thickness of 0.001 to 1000 μm (micro). Keys containing gold or silver nanos, characterized by a furring coating. The method according to claim 1 or 2, A gold or silver nano-containing key, characterized in that the size of the fine particles of the gold or silver nano 120 injected into the body of the keyboard 100 has a particle diameter of 0.01 to 500nm.

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