68results about How to "Reduced likelihood of cracks" patented technology

The invention discloses a flexible display panel, a manufacturing method and a flexible display device, and relates to the technical field of flexible display. The possibility that cracks are generated on an inorganic packaging structure when the flexible display panel is bent is reduced, so that the service life of a luminescent device inside a flexible display substrate is prolonged. The flexible display panel comprises the flexible display substrate and a packaging structure arranged on the surface of the flexible display substrate, and the part, corresponding to a non-display area, of the packaging structure is the inorganic packaging structure; and the flexible display panel also comprises an organic packaging layer with which the inorganic packaging structure is covered. The manufacturing method of the flexible display panel comprises manufacturing the flexible display panel proposed in the technical scheme. The flexible display panel provided by the invention is used in the flexible display device.

The invention discloses a construction method for a fabricated type partition wall based on an ALC (Adaptive Logic Circuit) board, relating to the technical field of fabricated wall construction. According to the invention, the ALC board can be used in the frequently flooded or easily wetted places, such as a bathroom and a kitchen; in a construction process, no structural column or lintel is additionally arranged on the door and window parts; tools, materials and manpower are saved, so that the purposes of relieving labor intensity and shortening construction period can be achieved; the manual horizontal and longitudinal pressing manner is adopted for mounting battens, so that the combination between the binder and the panel as well as concrete surface is benefited, no higher stress exists on the wall and the joint after the binder is solidified and contracted and the possibility of generating cracks on the wall and the joint is greatly reduced; the anti-cracking treating step is performed at last and anti-cracking cloth is used for reinforcing the joint, so that the connecting effect of the joint is further guaranteed; the mounting for the ALC board is further adjusted and corrected in the construction process, so that the mounting precision of the wall is further guaranteed, the wall is prevented from cracking and the forming quality of the wall is promoted.

[Problem] To provide a thermal head that reduces the possibility of splintering or cracking at the edge of the substrate. [Solution] A thermal head (X1) has a substrate (7) and multiple heat-generating parts (9) provided on the substrate (7). The substrate (7) has a first main surface (7c), a second main surface (7d) positioned on the side opposite the first main surface (7c), and a first end face (7a) that is connected to the first main surface (7c) and the second main surface (7d) and follows the direction in which the multiple heat-generating parts (9) are arrayed. On each of the first main surface (7c), the first end face (7a) and the second main surface (7d) of the substrate (7), an edge (7g) is provided in directions that are orthogonal to the direction in which the multiple heat-generating parts (9) are arrayed. On the edge (7g) of the first main surface (7c) of the substrate, a first reinforcing member (8) and a second reinforcing member (10) that is separated from the first reinforcing member (8) are provided. The first reinforcing member (8) is provided from on the edge (7g) of the first main surface (7c) onto the edge (7g) of the first end face (7c) and onto the edge (7g) of the second main surface (7d).

A ball grid array type semiconductor package includes a semiconductor chip formed with bonding pads, an elastomer bonded to the semiconductor chip, a flexible wiring substrate bonded to the elastomer and formed with wirings connected at one end of the bonding pads of the semiconductor chip, a solder resist formed on the main surface of the flexible wiring substrate and solder bump electrodes connected to the other ends of the wirings. The elastomer is bonded to the flexible wiring substrate on the side of the tape, the solder resist is formed on the side of the wirings, and the solder bump electrodes are connected with the wirings by way of through holes formed in the solder resist.

The invention relates to a hot-rolled steel sheet for automobile wheels with tensile strength of 590MPa, which solves the technical problem that the existing hot-rolled steel sheet for automobile wheels has low tensile strength and insufficient fatigue performance of the wheel after the automobile wheel is produced by the existing steel sheet. The hot-rolled steel sheet for automobile wheels withtensile strength of 590 MPa provided by the invention has a chemical composition weight percentage: 0.07% to 0.09% of C, 0.05% to 0.10% of Si, 1.15% to 1.35% of Mn, less than or equal to 0.012% of P,less than or equal to 0.003% of S, 0.02% to 0.03% of Nb, 0.035% to 0.055% of Ti, 0.0005% to 0.0015% of Mg, 0.02% to 0.05% of Alt, less than or equal to 0.0040% of N, and the balance being Fe and unavoidable impurities. The hot-rolled steel sheet is mainly used for making automobile wheel rims and spokes.

The invention discloses a TSV front end portion interconnection process. The process includes preparing a plurality of TSV holes in a substrate by means of the etching technology; preparing insulating layers on the inner walls of the TSV holes and on the surface of the substrate; forming TSV conductive columns in the TSV holes and on the surfaces of the insulating layers through electroplating; eliminating a silicon substrate with a certain thickness including the TSV conductive columns through the CMP technology; carrying out annealing on the TSV conductive columns so that the TSV conductive columns can extrude out of the substrate at a certain height; preparing passivation layers on the substrate and the surfaces of the TSV conductive columns, and eliminating a part of the passivation layers so that the tops of the TSV conductive columns can be exposed out of the passivation layers; preparing a metal interconnection structure of the TSV conductive columns. The TSV front end portion interconnection process reduces or eliminates stress concentration areas at corners of the end portions of the TSV conductive columns, reduces probability that due to stress, delamination and cracks are formed between the insulating layers and the substrate, and meanwhile achieves interconnection of the TSV conductive columns and redistribution layer metal through use of the defect that after the TSV conductive columns are electroplated and processed through annealing, the TSV conductive columns will extrude.

The invention relates to a large-scale cast-in-situ reinforced concrete water inlet duct and scroll case construction method, the construction sequence is: bottom board of the water inlet duct, far end lower part outside the turning of the water inlet duct, far end upper part outside the turning of the water inlet duct, outer circumference of the turning of the water inlet duct, far end outside the scroll case, near end outside the scroll case, top outside the scroll case and the second pouring construction. The construction method has clear levels, reduces the concrete pouring amount at the key parts of the water inlet duct: the outer circumference of the turning of the water inlet duct and the near end outside the scroll case, by partitioning construction; ensures the concrete forming quality of the water inlet duct and the scroll case; and avoids large volume concrete cracks.

An electronic device includes a first lead, a second lead, a touch sensitive display panel including a screen area and an extended area that extends from the screen area, and a control circuit. The touch sensitive display panel includes a flexible substrate, a thin film transistor (TFT) layer including a plurality of light-emitting elements, an insulation layer in which a via-hole is formed, and atouch sensor. The first lead is formed on the TFT layer in the screen area and the extended area and connects the control circuit and the plurality of light-emitting elements. The second lead is formed on the insulation layer in the screen area and on the TFT layer in the extended area, and extends from the screen area to the extended area through the via-hole formed in the insulation layer and connects the control circuit and the touch sensor.

The invention relates to a high-temperature concrete pumping pipeline cooling device and a cooling method thereof. The cooling device is characterized in that the cooling device comprises steel ice, a sleeve and a thermal insulating layer, the steel ice integrally comprises refrigerating fluid and a stainless steel shell, the refrigerating fluid comprises edible alcohol and purified water, the stainless steel shell is set into a ball or cylinder, a hollow structure is arranged inside the stainless steel shell and filled with the refrigerating fluid, the sleeve comprises an inner pipe, an outer pipe and an arc slab, the arc slab is welded between the inner pipe and the outer pipe to form spaced arc grooves for placing the steel ice, the steel ice is slidably arranged in the arc grooves, and the thermal insulating layer wraps the outside of the sleeve. The cooling device is connected with a pumping pipeline, heat generated by friction between concrete and the pipeline and heat generated by hydration of the concrete are evenly absorbed, and the temperature of the pumping pipeline and the temperature of the concrete are reduced by the aid of the steel ice, so that the temperature of casting concrete is kept within a specified range.

The protected welding process with mixed Ar plus CO2 gas includes the following steps: selecting arc voltage in 20-26 V; selecting welding current in 200-230 A; selecting gas flow rate in 15-20 l / min; connecting to power source in correct polarity; selecting wire feeding speed in 5.25 m / min; determining wire extending length of 15 mm; feeding wire in equal speed; and continuously welding. The present invention has the advantages of excellent welding performance, lowered welding material consumption, high welding quality, etc. and may be used in welding rotor rack, machine foundation, etc.

The invention relates to a reinforced unidirectional-blocking-eave bollard used for wharves and ship locks. The reinforced unidirectional-blocking-eave bollard is provided with a base plate, a bollard body and a unidirectional-blocking eave. A plurality of anchor bolt countersinks are formed in the base plate, a top hole is formed in the top of the unidirectional-blocking eave, the bollard and the unidirectional-blocking eave are respectively of a cavity structure, the standard wall thickness of the bollard body is designed to be t, and accordingly the wall thickness of the blocking eave is 0.75t. The reinforced unidirectional-blocking-eave bollard is characterized in that a cavity of the bollard body is a conical cavity, the inner diameter D1 of a lower end opening of the cavity of the bollard body is equal to the outer diameter D-2t of the bollard body, and the inner diameter D2 of an upper end opening of the cavity of the bollard body is equal to the outer diameter D-1.5t of the bollard body. A cavity is formed in the base plate, the wall thickness of the top face of the cavity of the base plate is kept to be t, and the lateral wall thickness is larger than or equal to t. A reinforcing table is arranged at the position, located in each anchor bolt countersink, of the cavity of the base plate. The reinforced unidirectional-blocking-eave bollard overcomes the casting defects that an existing unidirectional-blocking-eave bollard is unreasonable in structural design and shrinkage, contraction cavities, cracks and the like are prone to being generated, solves the problem that material waste is high, and is mainly used in the places such as the wharves and the ship locks for ship cable mooring.

The invention discloses a preparation process of an Al-Si-Mg-B-Mn casting alloy with excellent fluidity, wherein the composition of the Al-Si-Mg-B-Mn casting alloy is composed of: Si 6.50-7.50 %, Mg 0.25-0.45%, B0.02-0.03%, Mn 1.50-2.00%, Fe≤0.12%, Ti 0.10-0.20%, and the balance is aluminum. The present invention improves the microstructure and properties of the Al-Si alloy through batching, smelting and casting, heat treatment and other technological processes, which can ensure high strength and hardness while improving the fluidity of the alloy and reducing costs, which is beneficial It is widely used in the manufacturing industry of auto parts.

The invention relates to a construction method for a large cast-in-situ reinforced concrete water inlet channel. The construction method comprises the following steps: the construction of concrete near the water inlet channel is divided into five main parts, wherein the construction of the concrete around the water inlet channel adopts integral layered casting, the secondary pouring in the traditional casting process is eliminated, and the integration of the concrete around the water inlet channel is ensured; for the parts at which the concrete at the bottom of the elbow of the water inlet channel is not easily vibrated, a vibration guiding device is bound in advance when the parts pass through the bound steel bars, so that the density of the compact at the bottom is realized, and simultaneously a method for combining supporting and pulling is adopted for reinforcing a water inlet channel template. According to the construction method, the condition that a plurality of more complex construction areas are not mutually influenced can be guaranteed, so that the construction period is shortened, the possibility of large-volume concrete cracks is reduced, and the construction accuracy of the whole water inlet channel, the floating deformation resistance of the template in the construction process and the quality of products are better guaranteed. The construction method can be widely applied in construction of the large cast-in-situ reinforced concrete water inlet channel.

The present invention relates to the technical field of wall panels, and discloses a preparation process for concrete prefabricated wall panels, including the following steps: S1: mold preparation; S2: installation of steel bars; installation of steel bars in the mold after S1 mold preparation; S3: pouring Concrete; pouring concrete towards the mold after S2 treatment; the raw materials of the concrete include by weight: 180-240 parts of cement, 550-630 parts of coarse aggregate, 100-150 parts of fine aggregate, 300 parts of fly ash ‑430 parts, 6‑15 parts of calcium lignosulfonate, 60‑80 parts of water, 20‑40 parts of fatty alcohol polyoxyethylene ether and 13‑37 parts of acrylamide grafted co-polymerized starch; S4: Vibration curing; S3 vibrating and curing the poured concrete; S5: dismantling the mold; S6: continuous curing; after the continuous curing in S6, the concrete prefabricated wall panel is obtained. The manufactured prefabricated wall panels can avoid cracks, thereby improving the compressive strength of the prefabricated wall panels.