23 results about "Soldering" patented technology

A flux without halogen, rosin and washing for Pb-free solder contains activating agent (8.0-15.0 Wt %), cosolvent (28-40), filming agent (0.1-1.0), corrosion retardant (0.1-0.5) and the solvent and deionized water (rest).

The invention provides a low-silver halogen free soldering paste, which solves the problems that the existing soldering paste has high production cost and poorer soldering performance, and is not applicable to welding of components with precision spacing and the like. The low-silver halogen free soldering paste comprises the following components by weight percentage of 88 percent to 91 percent ofalloy welding powder and 9 percent to 12 percent of paste flux, wherein, the alloy welding powder comprises the following components by weight percentage of 0.1 percent to 0.9 percent of Ag, 0.1 percent to 0.8 percent of Cu and the balance Sn. The low-silver halogen free soldering paste has the advantages of low cost, good welding performance, no easy edge-collapse after printing and the like.

In the manufacture of RFID tags, electronic components are connected with soldered connections to antennas stamped from a thin strip of electrically conductive metal, utilizing methods and intermediate products which enable accurate registration of the leads of the electronic components with contacts on the antennas. Thus, a strip of metal is provided with contact members unitary with the strip and coupled to the strip through compliant coupling arrangements which allow compliant movement of the contact members relative to the strip for accurate alignment with electronic components juxtaposed with the contact members for soldered connections between the leads of the electronic components and the corresponding contact members. The antennas, with the electronic components soldered in place, are carried by a substrate, and the sequence of the stamping and soldering operations avoids exposing the substrate to the heat of soldering.

A socket connector (100) includes an insulative housing (1) and a number of contacts (8). The insulative housing has a bottom surface (15), and defines a number of passageways (16) extending through a bottom surface thereof. The contacts are respectively received in the number of passageways. Each contact is formed with a holding portion (22) engaging with the insulative housing. A soldering portion (26) extends from the holding portion. A contacting portion (29) extends from the soldering portion. The soldering portion has a pair of positioning portion (25) laterally extending from side edges thereof and abutting against the bottom surface.

A metal ring for an optical element that is served to cover a peripheral side surface of a lens and served to fix the lens to a mounting member by means of soldering is provided with a thin-wall sleeve a diameter of which is expanded toward a peripheral direction by means of pressure received from an optical material disposed inside the metal ring to thereby obtain a final peripheral side surface size, a thin-wall portion having an inside periphery near an extension of an inside peripheral surface of the thin-wall sleeve on one of apertures of the thin-wall sleeve, and a holding portion comprising a flange that projects from an edge of the aperture toward the aperture. A metal ring for an optical element, a method for fabrication of the optical element having the metal ring, and an optical element having a metal ring of the invention employ the abovementioned metal ring.

The invention discloses an alloying technology for a high voltage diode chip, which comprises the steps that nickeling chips and high-temperature soldering tags are piled up one by one at intervals and subjected to primary alloying by a high-frequency alloying furnace; the outermost layer of a nickeling diffusion sheet is coated with low-temperature soldering tags in the primary alloying process to ensure that the nickeling diffusion sheet at the outermost layer are protected by the soldering tags effectively against high-temperature oxidation; the low-temperature soldering tags are arranged at the outermost layer of a primary alloying semifinished silicon pile in secondary alloying process to ensure that the low-temperature soldering tags are melted with one another effectively; the soldering quality is ensured; the nickeling chips are prevented from introducing a poisonous material, namely potassium auric cyanide in the regilding process; the safety of the product manufacturing process is improved; and the product cost is reduced greatly.

A soldering method between electronic elements features that the first electronic element has an end to be soldered, the soft solder is put on the second electronic element, and said end to be soldered is directly inserted in said soft solder and then heated for soldering them together. Its advantages are small size, low cost and high quality.

The invention relates to the technical field of the production of heavy machinery, and particularly relates to a steel plate type circular thin-walled quenching roll. The steel plate type circular thin-walled quenching roller comprises a roller body with a thin-walled hollow structure, and also comprises an end plate, a supporting plate and a rotating shaft, wherein the inner wall of the roller body is provided with lug bosses which are uniformly distributed along the circumferential direction, the end plate is spot soldered on two side ports of the roller body, the end plate is in interference fit with the inner wall of the roller body, the supporting plate is arranged on the lug bosses of the inner wall of the roller body, the supporting plate is also in interference fit with the inner wall of the roller body, and the end plate and the supporting plate are also soldered on the rotating shaft. The steel plate type circular thin-walled quenching roller is reasonable in structure and has relatively light weight. Soldering spots which are produced by spot soldering the end plate on two side ports of the roller body can be removed after the quenching, and thus the outer attractive appearance of the roller body can be ensured; and with the design of the lug bosses, the structure is novel, the supporting plate can be well supported, the supporting plate cannot move in a longitudinal direction after the roller body is quenched, and the roller body after being quenched cannot produce deformation.

The invention provides a printed circuit board soldering protection nail bed and a manufacturing method thereof. The printed circuit board soldering protection nail bed comprises a support frame, a first nail bed bottom plate supported by the support frame, a support frame plate annularly arranged on the peripheral surface of the top of the first nail bed bottom plate, a second nail bed bottom plate erected at the top of the support frame plate, an adsorption assembly sandwiched between the first nail bed bottom plate and the second nail bed bottom plate, a plurality of PINs arranged on the surface of the second nail bed bottom plate and a circuit system electrically connected with the adsorption assembly. The above structure can solve the problem about rapid and repeated use of the nail bed plates and the PINs, the nail bed can be manufactured rapidly without a drilling machine, a drill belt and an adhesive tape, meanwhile, the material cost, manufacturing cost and management cost forthe nail bed are saved, the storage space for the nail bed bottom plates is reduced, the difficulty of management is reduced, the nail bed is convenient to use, and the working efficiency is improved.

An electrical connector includes a row of terminals arranged in the first direction and including contact portions and soldering tails, an insulative housing in which the contact portions of the terminal are arranged and behind which the soldering tails are arranged and a spacer securely attached to the housing to position the soldering tail. The spacer has a top face and a bottom face and a row of through holes running through the top face and the bottom face to receive the corresponding soldering tails thereof Each of through holes includes a guiding hole communicating with the top face and a receiving hole communicating with the bottom face. The guiding hole defines guiding faces intersecting with the top face to form a frame intersection. The frame intersections are aligned in the first direction while the receiving holes are offset.

The invention relates to a soldering pot part, in particular to a wave generator pulley on a soldering pot. The pulley has an inner wheel made of graphite and an outer wheel which is made of the metal material and used for encapsulating the inner wheel hub; the outer wheel is provided with a leather belt groove matching with a leather belt; the outer diameter D of the inner wheel is 5-10mm, the width S of the outer wheel is 0.5-1mm, and the thicknesses A of the inner and the outer wheels are 0.5-2mm. With simple structure, the invention excellently overcomes the defects of easy oxidation and power wear resistance of the prior metal pulley, lowers the costs of production and maintenance, and guarantees the long-time normal operation of the pulley.

The invention relates to a method for processing a four-corner welding motor pole coil, which belongs to the technical field of magnetic pole technique of motors. The method for processing a four-corner welding motor pole coil comprises welding the pole coil of a motor, which is characterized in that the processing technique of four-corner welding pole coils is that firstly, bending a lead-in wire, putting a copper bar lead-in wire on a bending module to be bent, secondly, welding four corners, butting and soldering the four corners on a high-frequency inductive soldering machine, and leadingthe four corners to be a pole coil, thirdly, insulating, insulating insulated blanking and a pad turn, fourthly, shaping through heat pressing, and putting insulating coils in the pad turn into a hot-stamping die to do hot-pressed treatment to shape. The invention has the advantages of uniform appearances of processing products, neat and tidy surfaces, aesthetic appearance and excellent quality of electric properties of products, which saves energy, lowers consumption, and guarantees the quality of a weld bore.

The invention discloses tin soldering equipment for a wiring terminal and an enameled aluminum wire on a straight stator. A feeding tool is located at the output end of a feeding belt transmission mechanism, and an overturning feeding mechanism and a carrying mechanism are arranged on the two sides of the feeding tool; a paint remover reagent groove assembly is arranged at the output end of the carrying mechanism, and a first transfer transition mechanism is arranged on the side, away from the feeding belt transmission mechanism, of the paint remover reagent groove assembly. Two paint removing mechanisms are arranged at the output end of the first transmission transition mechanism, a scaling powder reagent tank assembly is arranged at the output ends of the paint removing mechanisms, and a second transmission transition mechanism is arranged on the side, away from the paint removing mechanisms, of the scaling powder reagent tank assembly; two tin soldering mechanisms are arranged at the output end of the second transmission transition mechanism, and a third transmission transition mechanism is arranged at the output end of a tin soldering mechanism. An ultrasonic cleaning box assembly is arranged at the output end of the third transmission transition mechanism, and a cleaning and discharging mechanism is arranged between the ultrasonic cleaning box assembly and the input end of a drying tunnel belt transmission mechanism arranged in a drying tunnel. According to the tin soldering machine, tin soldering of the wiring terminal and the aluminum wire of the straight stator is automatically achieved, and the tin soldering quality is stable.

The invention discloses a method of hardening a tool edge through a soldering wire and a tool edge fixture. The tool edge hardening treatment method comprises the steps of assembling a tool to be machined into a fixture base in the tool machining process to form an enclosed groove structure between the tool edge of the tool to be machined and the fixture base; and heating and melting the solderingwire into fluid, driving the fluid into the groove structure, and curing the fluid to complete one-time filling to form a hardening layer at the tool edge. According to the hardening treatment methodprovided by the invention, horizontal machining is adopted, and there is no need to consider to change the Z-axis height in path programming; after a blade is fixed to a die, turnover remachining isnot needed, and machining of the single tool can be completed just through one-time machining; and just by controlling operating parameters such as the current magnitude, the moving speed, the wire feed speed and the relatively less shielding gas amount, and the quality is controlled easily.

The invention discloses a garden LED lamp convenient to install. The garden LED lamp structurally comprises a disinsection lamp top protection device, an insect killing electric net, an LED lamp tube,a connecting supporting plate, a vertical supporting stand column, a connecting base, a installing bolt and a garden anticollision protection plate block. The lower surface of the disinsection lamp top protection device and the upper surface of the LED lamp tube are connected in an electric soldering mode. The insect killing electric net is installed on the outer side of the LED lamp tube and isinstalled on the lower surface of the disinsection lamp top protection device in an embedded mode. The lower end of the insect killing electric net is installed on the connecting supporting plate in an electric soldering mode. According to the garden LED lamp, when mosquitoes makes contact with the insect killing electric net, it is determined that the mosquitoes approach, the garden LED lamp is started, water liquid of insecticides is replaced with water mist, namely, gas with a small amount of moisture, and the insect killing electric net is not damaged at all while the insecticidal water mist gas is sprayed into the air and dispersed conveniently for disinsection.

The invention discloses a welding jig for laser tin soldering of a hexahedron. The welding jig comprises a base and a jig assembly; the jig assembly is rotatably arranged on the base; the jig assemblycomprises a connecting flange, a fixed seat, a pressing plate and a pressing claw assembly; the connecting flange is rotatably connected with the base; one face, near the connecting flange, of the fixed seat is provided with connecting pillars and a guide shaft; the connecting pillars are connected with the connecting flange; one face, far away from the connecting flange, of the fixed seat is provided with guide pillars; the pressing plate is arranged on the guide pillars; the pressing plate can move along the guide pillars so as to fix a product by cooperating with the fixed seat; the pressing claw assembly is arranged on the guide shaft; and the pressing claw assembly has two states of opening and closing, and when being in the closing state, the pressing claw assembly is used for holding down a flexible printed circuit board (FPC) flat cable onto a product bonding pad.

An all-glass evacuated photovoltaic heat tube collector tube comprises a cover glass tube, an evaporator section of the semi-round planar glass collector tube, a photovoltaic cell, a support fixed elastic card of a getter, an exhaust nozzle and a condenser section; the base tube of the semi-round planar glass collector tube of the invention is a semi-round glass tube; tube heads at both ends of the semi-round glass tube are processed into round glass tube heads; the surface of the outer wall of the semi-round glass tube with both ends sealed is compounded with a photovoltaic cell layer; the tube head at one end of the cover glass tube is uniformed and sintered and that at the other end is sealed; the cover glass tube is sheathed with the semi-round planar round glass collector tube; by annular reducing, soldering and sealing by glass, the cover glass tube mouth is necked and sealed with the mouth of the semi-round planar round glass collector tube to form a round sealed single-glass tube; after the interlayer of internal and external glass tubes is vacuumized, the exhaust nozzle is sealed by glass and the getter is evaporated to manufacture the all-glass evacuated photovoltaic heat tube collector tube. The tube enjoys high heat absorption efficiency and long service life and can utilize scattered light.