104results about How to "Avoid tarnishing" patented technology

A semiconductor device fabrication method comprises the steps of: (a) forming a pad electrode on the semiconductor device; (b) coating the surface of the semiconductor device with an organic dielectric film so as to expose the center portion of the pad electrode; (c) treating the exposed surface of the pad electrode by dry etching; and (d) removing an altered layer produced in the organic dielectric film due to the dry etching for the surface treatment, using an oxygen-free dry process.

In the method, silver is protected against tarnishing using an Atomic Layer Deposition method. In the Atomic Layer Deposition method, a thin film coating is formed 5 on the surface of silver by depositing successive molecule layers of the coating material. For example aluminium oxide (Al 2O3) or zirconium oxide may be used as the coating material.

Disclosed is a wrist watch (10) comprising a primary unit (10) which can be connected, in a detachable mode, with a base plate (14) arranged at a supporting and / or positioning element (30), wherein, the supporting and / or positioning element (30) is then connected with a coupling element (11) and results in that the coupling element (11) can be attached to wrist of a consumer, the primary unit (12) exhibits not only common functions of a watch, but also functions of a telephone earphone.

The invention provides a liquid band-aid. The liquid band-aid is composed of, by weight, 8-12 parts of PVB, 1-3 parts of PVP, 25-30 parts of ethanol, 53-65 parts of ethyl acetate and 0.5-2.0 parts of glycerin. The liquid band-aid has the advantages that the liquid band-aid can realize wet healing, isolation waterproofness and no scar generation; healing of a wound can be realized better by maintaining a wet environment in a slightly acidic environment, and hydrocolloid leakage is avoided even if the liquid band-aid is used for many days; granulation tissue is not damaged caused by the fact that a colloidal thin film is used for covering, intrusion of dirt and bacteria can be prevented, and the liquid band-aid is usable during bathing; the liquid band-aid can automatically distinguish tissue and selectively clean when being adhered to the wound.

A measurement device of apparent viscosity on semisolid metal is prepared for setting a heating furnace on body-frame, erecting rotatable graphite crucible in heating furnace and arranging graphite head on the same shaft with crucible in crucible cavity, setting fixed shaft connected with graphite head through thread on body-frame, setting torque transducer and spacing ledge on fixed shaft, arranging protection gas vent unit at top of heating furnace cavity and using data collection card on computer host board to record torque voltage signal.

A substrate comprising a capacitor comprising metal electrodes and a ceramic or metal oxide dielectric layer, the capacitor being embedded in a polymer based encapsulating material and connectable to a circuit via a via post standing on said capacitor.

Provided is a rolled copper foil or electrolytic copper foil for an electronic circuit to be used for forming a circuit by etching, wherein the rolled copper foil or the electrolytic copper foil comprises a nickel alloy layer with lower etching rate than copper, which is formed on an etching side of the copper foil, and the nickel alloy layer contains zinc. This invention aims to prevent sagging caused by the etching, to form a uniform circuit having the intended circuit width, and to shorten the time of forming a circuit by etching as much as possible, when forming a circuit by etching a copper foil of the copper-clad laminate; and also aims to make the thickness of the nickel alloy layer as thin as possible, to inhibit oxidation when exposed to heat, to prevent tarnish (discoloration) known as “YAKE”, to improve the etching properties in pattern etching, and to prevent the occurrence of short circuits and defects in the circuit width.

The invention discloses a method for cleaning an etching equipment component, which includes the following steps that: the etching equipment component to be cleaned is immerged in the acetone solution; deionized water is used for cleaning the component; the component is put into an oven for baking. The method of the invention adopts the acetone solution with no damage to the component to clean the equipment component, which prolongs the service life of the equipment, and is also favorable to stabilized production, saving the preproduction restore step before formal production, and improving the utilization rate of the equipment.

A photosensitive composition comprising: (A) a sensitizing dye selected from the group consisting of compounds represented by formulae (1) and (2) defined herein; (B) an initiator compound capable of generating a radical, an acid or a base; and (C) a compound capable of changing irreversibly its physical or chemical property with at least one of a radical, an acid and a base.

Provided is a rolled copper foil or electrolytic copper foil for an electronic circuit to be used for forming a circuit by etching, wherein the copper foil comprises a heat resistance layer composed of zinc or zinc alloy or its oxide formed on an etching side of the rolled copper foil or electrolytic copper foil, and a layer of nickel or nickel alloy, which is a metal or alloy with a lower etching rate than copper, formed on the heat resistance layer. This invention aims to prevent sagging caused by the etching, to form a uniform circuit having the intended circuit width, and to shorten the time of forming a circuit by etching as much as possible, when forming a circuit by etching a copper foil of the copper-clad laminate; and also aims to make the thickness of the nickel or nickel alloy layer as thin as possible, to inhibit oxidation when exposed to heat, to prevent tarnish (discoloration) known as “YAKE”, to improve the etching properties in pattern etching, and to prevent the occurrence of short circuits and defects in the circuit width.

The present invention is directed to a coated substrate, comprising: an antitarnish layer deposited on a substrate in an amount effective to prevent tarnishing of said coated substrate; and an outer layer deposited onto said antitarnish layer, said outer layer comprising tin or tin alloys having at least 50% by weight tin. The present invention is also directed to coated substrates having a concentration gradient of antitarnish agent diffused into the coating, as well as methods of forming such coated substrates.

Provided is a rolled copper foil or electrolytic copper foil for an electronic circuit to be used for forming a circuit by etching, wherein the copper foil comprises a nickel or nickel alloy layer with a lower etching rate than copper formed on an etching side of the rolled copper foil or electrolytic copper foil, and a heat resistance layer composed of zinc or zinc alloy or its oxide formed on the nickel or nickel alloy layer. This invention aims to prevent sagging caused by the etching, to form a uniform circuit having the intended circuit width, and to shorten the time of forming a circuit by etching as much as possible, when forming a circuit by etching a copper foil of the copper-clad laminate; and also aims to make the thickness of the nickel or nickel alloy layer as thin as possible, to inhibit oxidation when exposed to heat, to prevent tarnish (discoloration) known as “YAKS”, to improve the etching properties in pattern etching, and to prevent the occurrence of short circuits and defects in the circuit width.

The invention belongs to the technical field of medical instruments and particularly discloses a liquid band-aid. The liquid band-aid is prepared from a film forming ingredient, a plasticizer and a solvent, wherein polyacrylic resin serves as the film forming ingredient. With polyacrylic resin serving as the main ingredient, the liquid band-aid can be volatized immediately when smeared to a wound and form a semi-transparent adhesive film which is very soft, good in air permeability, rich in elasticity and very thin, the effects of wound contamination prevention and protection can be performed, and the water-proof feature is achieved; the liquid band-aid is convenient to use and capable of providing the best moist environment needed by wound healing to the maximum and being applied to sensitive skin. The liquid band-aid has the functions of wound infection prevention, protection and water proofing, can be used for bruising, protection of a sutured part generated after a surgical operation, skin allergies, barb scratching, cracks, rhagades, tiny knife cut, mosquito bite prevention, quick blood crust, scar and mosquito mark removal and the like.

The invention relates to a method for producing a stainless steel belt of a glasses frame, which comprises the following steps of: selecting a stainless steel belt blank; performing first rolling, second rolling and third rolling by adopting a four-roll precision rolling mill unit to roll a semi-finished stainless steel belt with thickness of 1.03 millimeters into semi-finished stripe stainless steel belt with thickness of 1.0 millimeter, wherein the thickness tolerance of the semi-finished stainless steel belt is + / -0.01 millimeter; cleaning, pulling and straightening the semi-finished stripe stainless steel belt into a finished stripe stainless steel belt; and shearing the finished stripe stainless steel belt into the width specification required by a user, and finally inspecting, packing and warehousing the finished product. The stainless steel glasses frame has good ductility, is easy to adjust, manufacture and process, lighter and more corrosion-resistant, and prevents the sweat from corroding the metal to lose luster in long-term wearing; and the method overcomes the defect that the physical property of the finished product is difficult to ensure in the prior art, and the obtained finished product Hv=250-290 meets the use requirement of customers.

The invention provides a two-force combined and air-drying shopping mall sole water removal device, and relates to the mechanical field. The device solves the problem that the rainy day shopping mallfloor is easy to fall due to the wet and slippery water on the customer's shoes. The Two-force combined and air-drying shopping mall sole water removal device comprises a movable empty shell. A bloweris welded on the right side of the interlocking empty shell, and an air outlet of the air blower faces the interlocking empty shell and communicates with the inside thereof, and the front side of theinterlocking empty shell is welded with a linkage split box. And the inside of the linkage bin is provided with a surrounding circumferential cleaning mechanism. The two-force combined and air-dryingshopping mall sole water removal device uses a coating mechanism to drive the sponge and the silica gel particles to wrap the shoes during the pressing process of the sponge. The airflow heating anddrying mechanism is arranged to dry and remove the moisture on the sponge and the silica gel particles, absorbing the moisture on the shoes, and evaporating the internal moisture to recycle, thereby the device can be used for a big crowd in a shopping mall.

The implementation mode in the invention provides a purity detecting method and a device for polysilicon, which belongs to the fields of chemical industry and solar energy. The method comprises the following steps: after evenly mixing silicon powder, washing with secondary deionized water, and drying to constant weight; putting the dried silicon powder on a Teflon tray, adding water to moisturizethe sample, and adding a polyol solution; putting the Teflon tray on a Teflon container, putting the Teflon container in a seal body, adding HF and HNO3 into the lower part of the seal body, sealing the seal body, and heating to 110-120 DEG C; and after the silicon powder is completely dissolved and volatilized to the dry state, adding HNO3 to dissolve residues, transferring to a plastic volumetric flask, and measuring the content of impurity elements after the volume becomes constant. The specific implementation mode in the invention also provides a special device for realizing the purity detecting method for polysilicon. The method and the device have the advantage of high detection accuracy.

The invention discloses a growth method of a GaN nanowire. The method comprises the following steps: leading trimethylindium to a quartz substrate or a substrate coated with a layer of silica film on the surface in advance, forming a liquid-phase indium drop on the bottom surface of the substrate, and then leading trimethyl gallium and an ammonia gas simultaneously, so as to form an alloy liquid drop; finally, simultaneously leading the trimethyl gallium, the ammonia gas and silicane; growing the GaN nanowire on the alloy liquid drop. By adopting the method, the trimethylindium is adopted as a tin catalyst source, a high-quality GaN nanowire grows on the cheap and available quartz or the substrate coated with the silica film on the surface, the method belongs to in-situ introduction, and is free of fussy processes of transferring and cleaning between different equipments, staining of a product in the transferring process is effectively avoided, a complicated buffer layer design is not needed, and the growth method is simple and convenient, and feasible to operate, and beneficial to industrial production.

This invention relates to a space dyed yarn (119).

The invention relates to a charge electric torch which comprises a cylinder, a light head, a light base, and a switch. Wherein, the light head is connected to the cylinder inside which the charge battery is arranged as power resource; the electric torch has a switch to control the power resource and a plug connecting the charge battery used to charge. The invention is characterized in that: the end of cylinder can be detachable from an end cap; said plug is fixed near the end. The invention has reasonable structure which can avoid the plug form jam and polluted by outside foreign matters, to prolong the service life and insulate water.

An aqueous tarnish inhibiting solution comprising a mercapto carboxylic acid and a corrosion inhibitor to produce an anti-tarnish layer on metal surfaces, such as silver plated copper leadframes and a method of using the same is provided. The composition provides an improved anti-tarnish layer that does not affect wirebondability or the adhesion of a mold compound to a leadframe.

The invention discloses a thermocouple welding device which comprises a base. The thermocouple welding device is characterized by further comprising a first clamping sheet and a second clamping sheet which are arranged on the base; the first clamping sheet and the second clamping sheet are used for clamping and fixing a thermocouple wire and a clamping opening of the first clamping sheet and a clamping opening of the second clamping sheet are adjacent and opposite; and both the first clamping sheet and the second clamping sheet are made of an electric conductor material, the first clamping sheet is connected with the positive electrode of a direct-current arc welding machine, and the second clamping sheet is connected with the negative sheet of the direct-current arc welding machine. The thermocouple welding device has the beneficial effects that the structure is simple and reasonable, a thermocouple manufactured through the thermocouple welding device is linear, and the shape of the thermocouple can be changed according to different requirements so as to meet the requirements of different use conditions for the shape of the thermocouple. A welding point of the manufactured thermocouple is extremely small and influences caused by heat conduction errors and dynamic response errors are reduced; and in the welding process, the welding point of the thermocouple wire does not make contact with other materials, and the possibility that the welding point of the thermocouple is contaminated by the other materials is eliminated.

A gold color metallic pigment with coating of manganese oxide nanoparticles and a method to produce the gold color pigment are described. The disclosed coated pigment includes a platelet shaped substrate, a passivation layer applied to the substrate with surface anchoring groups and a manganese oxide nanoparticles layer. The coated pigment further includes an encapsulation layer or a surface property modification layer. The disclosed method provides pigments that exhibit brilliant gold color and a highly desirable appearance of real gold without the environmental issues causing by heavy metals.

The present invention relates to a silver anti-tarnish agent having, as an effective component, a zinc salt and / or a zinc complex, preferably at least one kind selected from the group consisting of a carboxylic acid zinc salt having a carbon atom number of 3 to 20, a phosphoric acid zinc salt, a phosphate ester zinc salt and a carbonyl compound zinc complex; a silver anti-tarnish method for preventing tarnish of a silver part by applying said silver anti-tarnish agent to the silver part. According to the present invention, tarnish of a silver part such as a silver-plated part due to a sulfur-based gas can be prevented. The present invention is useful particularly as a silver anti-tarnish agent for a light-emitting diode and allows preventing tarnish of a silver part of a light-emitting diode and reduction in illuminance by applying the silver anti-tarnish agent of the present invention to a silver part such as a silver-plated part of a light-emitting diode for covering the silver part.

The invention discloses a raised dust monitoring and dust reduction linkage system attached to a scaffold, and belongs to the technical field of building construction. The system includes a raised dust monitoring system including raised dust monitoring sensors for real-time raised dust data monitoring; and an automatic water feeding system including a multi-stage centrifugal pump, a solenoid valve, atomization sprayer heads, a vertical water supplying pipeline and horizontal water supplying pipelines for atomization and dust reduction. During atomization and dust reduction, an alarm system collects person movement information in an operation range, and effectively gives alarms to protect workers from being sprayed with mist containing raised dust particles, achieving a more humanized effect. In addition, the mist containing raised dust particles is collected and reused on an operation platform, thus greatly saving the equipment cost, effectively saving the water resource, and achievinga wide dust reduction range, significant dust reduction effects, and other advantages.

The invention discloses a seal oil omega-3 polyunsaturated fatty acid capsule, which relates to the technical field of medicines and chemicals. The specific preparation method of the seal oil omega-3 polyunsaturated fatty acid capsule is as follows: using refined sea oil as the raw material of a soft capsule, externally cleaning the material, storing the material in a buffered manner and transmitting the material to a weighing room for weighing and batching; adding proper amount of auxiliary materials, glycerol, water and the like to the medicine for heating up and preparing into oily liquid medicine of a certain temperature; heating up and preparing the glycerol, gelatin and the like into a glue solution of certain viscosity and temperature according to a certain proportion; feeding the prepared liquid medicine and the glue solution to the a soft capsule former; pressing the cooled gelatin into a film by double rolling barrels of the soft capsule former, packaging quantitative of the liquid medicine to form pressed soft capsules; washing, drying and polishing the soft capsules, detecting out the unqualified capsules by a device or by virtue of labor power, and internally packaging by a plastic bottle after drying the capsules. The seal oil omega-3 polyunsaturated fatty acid capsule has a remarkable treatment effect for non-alcoholic fatty liver disease; according to the invention, the used the molecular distillation method is an environment-friendly physical separating technology, so that much solvent is saved, the environment pollution and the danger to an operator are reduced, and novel impurities and toxic substances are not brought in.