32results about How to "Won't stain" patented technology

The invention relates to the technical field of solar condensation, and provides a compound parabolic condenser combining inside condensation and outside condensation. The condenser comprises a glass tube (2), a receiving tube (1) positioned in the glass tube (2), an inside compound parabolic condenser plate (3), an outside compound parabolic condenser plate (4), a heat preservation layer (5), support feet (6) and a support beam (7), wherein the receiving tube (1) and the glass tube (2) are respectively provided with a circle centre of the receiving tube and the circle centre of the glass tube; the circle centre of the receiving tube (1) is overlapped with the circle centre of the glass tube (2); vacuum is formed between the receiving tube (1) and the glass tube (2); the inside compound parabolic condenser plate (3) is arranged and fixed in the vacuum and is contacted with the glass tube (2); and a gap is formed between the inside compound parabolic condenser plate (3) and the receiving tube (1). The condenser has the characteristics of good condensation effect and simple installation.

The invention relates to a marking pen with a bent triangular holding part. The marking pen comprises a pen holder, at least one bent holding part arranged at one end of the pen holder, a front casing pipe arranged at one end of the holding part, a fiber writing assembly arranged in the front casing pipe in a penetrating way as well as an ink accumulating mechanism arranged inside the pen holder. Ink in the ink accumulating mechanism can be conveyed to the writing assembly for facilitating the writing; the outer circumference of the bent holding part is set to be triangular and has a guiding action for a user to naturally and respectively support against three circumferential sides with a thumb, an index finger and a middle finger and slightly hold, so that the user can hold the pen to write correctly and stably and the aim of rectifying the posture or the pen holding posture of children by using a fist pen (a color pen used at preschool stage) for the first time is achieved.

The present invention discloses a kind of chemical and mechanical polishing liquid for polishing semiconductor indium antimonide, and the polishing liquid has organic alkali to replace inorganic alkali, increased chelating agent and activator to result in less scoring and high flatness of indium antimonide surface. The polishing liquid of the present invention consists of silica sol of SiO2 concentration 30-50% in 50-98 vol%, amine alkali 0.1-1.5 vol%, chelating agent 0.1-0.5 vol%, surfactant 0.5-2 vol%, oxidant 0.5-2 vol% and deionized water for the rest. The present invention has less scoring in the surface of indium antimonide, lowered surface roughness of indium antimonide and simple post cleaning.

The invention relates to a first-aid bleeding stopping dressing and a preparing method thereof. The bleeding stopping dressing comprises of a first layer, a second layer, a third layer and a fourth layer, wherein spunlace non-woven fabric containing chitosan fibers serves as the first layer, a non-woven fabric water absorbing pad with low water absorption capacity serves as the second layer, a non-woven fabric water absorbing pad with high water absorption capacity serves as the third layer, and a breathable and moisture nonpermeable isolation layer serves as the fourth layer. The second layer and the third layer are wrapped in the first layer and the fourth layer with the method of hot pressing on the peripheral edges of the first layer and the fourth layer. The first-aid bleeding stopping dressing has the quick bleeding stopping effect; meanwhile, the first-aid bleeding stopping dressing has the advantages that blood and wound percolate can be sealed in the dressing and prevented from staining the periphery skin and clothes, and good breathability is achieved.

The invention provides a device and method for removing a silica film from the surface of a silicon chip, and belongs to the field of semiconductor test equipment. The device comprises a hydrofluoricacid solvent bottle, a hybrid gas box, an atomizer and a reaction box, the hydrofluoric acid solvent bottle is communicated with an inlet of the atomizer via a first pipe, an outlet of the atomizer isarranged inside the hybrid gas box, the atomizer and the hybrid gas box are arranged in a sealed way, the upper end of the hydrofluoric acid solvent bottle is provided with an air inlet pipe communicated to the internal of the bottle, the air inlet pipe is communicated with an external nitrogen supply device, and communicated with the hybrid gas box via a second pipe, the hybrid gas box is connected with the reaction box via a third pipe, the third pipe is provided with a hybrid gas switch, and the reaction box is provided with an air outlet. Via the device and method, the silica film can beremoved without polluting the silicon chip itself, an inductive coupling plasma mass spectrometer can be used to analyze metal ions in the SiO2 film quantitatively, and metal can be monitored effectively in the back-seal technology.

The invention relates to a water basin, which comprises a water basin main body, an executing mechanism, a control system and a command input device, wherein a water basin inner cavity, which is provided with a drainage hole, is formed in the water basin main body; the executing mechanism is arranged in the drainage hole and is used for regulating the drainage hole to be under a drainage state for drainage or under a sealed state for water storage; the control system is electrically connected to the executing mechanism and is used for controlling the executing mechanism to regulate the drainage hole to be under the drainage state or under the sealed state; the command input device is arranged outside the water basin inner cavity and is electrically connected to the input end of the control system, and the command input device is used for commanding the control system to control the executing mechanism to regulate the drainage hole to be under the drainage state or under the sealed state. According to the water basin provided by the invention, by arranging the command input device, which is used for controlling the executing mechanism to regulate the drainage hole to be under the drainage state or under the sealed state by virtue of the control system, outside the water basin inner cavity, a user, without stretching a hand into sewage, can conduct drainage as required by operating the command input device, so that the hand is protected from being contaminated or wet; therefore, the water basin is more convenient to operate.

The invention relates to a marking pen with a bent holding portion and a clamped ink tube. The marking pen comprises a penholder, the bent holding portion arranged at one end of the penholder, a front sleeve arranged at one end of the holding portion, a fiber-made writing portion penetratingly arranged in the front sleeve, a fiber-made ink feeder arranged inside the holding portion and connected with the writing portion, an ink guide component connected with the ink feeder and the clamped ink tube connected with the ink guide component in a sleeved manner. One end of the ink guide component can push away an ink sealing mechanism on the clamped ink tube, ink flows into the ink feeder through the ink guide component, and the ink feeder and the writing portion absorb ink to the benefit of writing. The main design feature of the marking pen is that the marking pen is of the structure with the bent holding portion and the clamped ink tube, the structure can guarantee that a user can write smoothly in different use occasions, has wide visual field and quickly fills the marking pen with the ink and removes the ink without touching the ink with hands, the marking pen is used repeatedly, and the purpose of reducing resource waste and cost and expenditure is achieved.

The invention discloses a production technology of a high-strength packing strap. The technology comprises the following steps that 1, 28-32 parts of polypropylene, 8-12 parts of LDPE and 4-6 parts of POE are selected and mixed, even stirring is conducted for 5-15 min, and a material A is obtained; 2, a carrier thread group is formed by multiple 3300D yarn and enters a mold; 3, heating melting is conducted on the material A, and then the melted material A is extruded to the mold through an extruding machine to be distributed on the outer surface of the carrier thread group; 4, cooling and sizing are conducted sequentially, and finally reeling is conducted after drawing is conducted. According to the production technology of the high-strength packing strap, the tensile resistance is strong, and the use cost is low.

The invention relates to the filed of semiconductor manufacturing, in particular to a method for selectively growing nickel. The nickel with required thickness is deposited in a silicon area by means of the method for selective nickel plating and no nickel is formed in a silicon oxide or silicon nitride area so as to guarantee that the nickel with required thickness is deposited in the silicon area and meanwhile damages such as organic contamination and the like cannot be caused.

The invention discloses a manufacturing method for a multifunctional insulating tube. The multifunctional insulating tube is composed of an insulating tube body and a coating for coating the outer layer of the insulating tube, wherein the matching of the coating is as follows according to the weight percentage: 48 percent of tetraethylortho silicate, 14 percent of ethyl alcohol, 6 percent of water, 0.5 percent of hydrochloric acid, 0.2 percent of a silane coupling agent, 14 percent of polyurethane, 14 percent of a pigment filler, and 3.3 percent of a cellulose additive. Through the way, the insulating tube made through the manufacturing method of the multifunctional insulating tube, provided by the invention, is excellent in radiation resistance, is prevented from being stained with water, still can ensure operating temperature under swelter and bitterly cold conditions, is prevented from stains, and is also excellent in electric insulativity and elasticity.

The invention overcomes the defects in the prior art, and provides a washing type cleaning tissue. The tissue comprises upper paper, lower paper, a water storage bag and interleaving paper, the waterstorage bag and the interleaving paper are arranged from top to bottom between the upper paper and the lower paper in turn, and four edges of the upper paper, lower paper and interleaving paper are inpressure-tight sealing connection; the upper surface of the water storage bag is fixedly provided with a digging rope, and one end of the digging rope is movably exposed from the edge of the tissue.Disinfectant water is in the water storage bag; the upper paper is provided with a plurality of amboss or protrusions. The upper paper, lower paper and interleaving paper all are soluble paper, the amboss is uniformly distributed, or the protrusions are uniformly distributed, the disinfectant water can be essential oil water, peppermint water or medical disinfectant water, the interleaving paper can have one layer or multiple layers, the tissue has better cleaning performance and can be dispersed, the wettability is high, the quality is superior, and it is convenient to carry.

The invention provides a chip mounting method, and the method comprises the steps: providing a lead frame which comprises a chip mounting region; providing a mask, wherein the mask comprises an opening corresponding to the loading area; covering the mask to the upper part of the lead frame, wherein the chip mounting area is exposed from the opening; silver colloid is provided, the upper portion of the mask is coated with the silver colloid, and the silver colloid enters the chip loading area from the opening; the mask is removed; providing a chip, and attaching the chip to the elargol in the chip mounting area; wherein the silver content of the silver colloid ranges from 80% to 90%, and the viscosity of the silver colloid ranges from 40000 cps to 80000 cps; the opening comprises a plurality of mutually connected side edges, and each side edge is bent or bent towards the interior of the opening.

The invention relates to an inverted daily washing storage box. The inverted daily washing storage box comprises an inverted daily washing storage box body, an executing mechanism, a control system and a command input device, wherein an inverted daily washing storage box cavity with a drainage hole is formed in the inverted daily washing storage box body; the executing mechanism is arranged in thedrainage hole and is used for regulating the drainage hole to be in a drainage state to drain or in a closing state to store water; the control system is electrically connected with the executing mechanism and is used for controlling the executing mechanism to regulate the drainage hole to be in the drainage state or the closing state; and the command input device is arranged outside the inverteddaily washing storage box cavity, is electrically connected with the input end of the control system and is used for commanding the control system to control the executing mechanism so as to regulatethe drainage hole to be in the drainage state or the closing state. According to the inverted daily washing storage box provided by the invention, the command input device controlling the executing mechanism to regulate the drainage hole to be in the drainage state or the closing state through the control system is arranged outside the inverted daily washing storage box cavity.

The invention discloses an insulation glove with a testing information tag card bag. The card bag is arranged on the insulation glove. The front face of the card bag is transparent. The card bag is made of wear-resisting, anti-fouling and waterproof materials, and can be fixedly stuck to the surface of the insulation glove. An opening is formed in one side of the card bag. Sealing is achieved through self-sealing of a clamping chain, the tag is placed into the card bag during replacement, the purpose of being easy to replace, attractive and practical is achieved, and meanwhile the tag is protected against abrasion and stain during daily work.

The invention relates to a marking pen with a bent holding portion and a clamped ink tube. The marking pen with the bent holding portion and the clamped ink tube comprises a penholder, the bent holding portion, a front sleeve, a fiber writing portion, a fiber ink guide core, an ink guide component and the clamped ink tube, wherein the bent holding portion is arranged at one end of the penholder, the fiber writing portion is penetratingly arranged in the front sleeve which is arranged at one end of the holding portion, the fiber ink guide core is arranged in the holding portion and connected with the writing portion, and the clamped ink tube is in sleeved connection with the ink guide component which is connected with the ink guide core. One end of the ink guide component can be pushed to break an ink seal mechanism on the clamped ink tube to enable ink to flow into the ink guide core through the ink guide component, so that the ink guide core and the writing portion can absorb the ink to facilitate writing. The marking pen is mainly characterized by comprising the clamped ink tube structure for the bent marking pen. Therefore, users can write smoothly at different use places and with better visual field, the ink tube can be quickly mounted and demounted with no hand stained by ink, and the marking pen is reusable, so that resource waste and expenditure are reduced.

The invention relates to an intelligent washbasin, which comprises an intelligent washbasin body, an executing mechanism, a control system and a command input device. An intelligent washbasin inner cavity with a drainage hole is formed in the intelligent washbasin body; the executing mechanism is arranged in the drainage hole and used for adjusting the drainage hole to be in a drainage state to drain water or to be in a closed state to store the water; the control system is electrically connected with the executing mechanism and used for controlling the executing mechanism to adjust the drainage hole to be in the drainage state or the closed state; and the command input device is arranged outside the intelligent washbasin inner cavity, electrically connected with the input end of the control system and used for commanding the control system to control the executing mechanism to adjust the drainage hole to be in the drainage state or the closed state. According to the intelligent washbasin, the command input device controlling the executing mechanism to adjust the drainage hole to be in the drainage state or the closed state through the control system is arranged outside the intelligent washbasin inner cavity, thus when a user needs to drain the water, water drainage can be achieved by manipulating the command input device, hands do not need to be placed in sewage, thus the hands are not stained or wetted, and operation is more convenient.