Abstract: A probe card includes a plurality of power lines that are electrically connected to the plurality of DUTs, a plurality of ground lines that are electrically connected to the plurality of DUTs and to each other, and a plurality of power compensation circuits that are electrically connected to respective ones of the plurality of power lines and respective ones of the plurality of ground lines, where the plurality of power compensation circuits are configured to generate and provide a plurality of compensated power supply voltages to the respective ones of the plurality of power lines, and where the plurality of compensated power supply voltages are configured to inhibit a variation of a ground voltage of the respective ones of the plurality of ground lines.

Abstract: An embodiment of the present disclosure provides a circuit board including: an insulating layer including a first area on one surface on which an electronic component is mounted and a second area adjacent to the first area; a connection pad disposed in the first area; and a solder resist layer covering the one surface of the insulating layer and being opened to expose the connection pad. At least a portion of the solder resist layer extends from the second area to the first area, and a portion of the insulating layer is exposed from the solder resist layer in the first area.

Abstract: A method of manufacturing a window may include cutting a window having a uniform thickness of about 20 ?m to about 100 ?m and polishing a cut surface of the window with a polishing pad having an elastic modulus less than an elastic modulus of the window while applying slurry to the cut surface of the window.

Abstract: A receiving circuit of a test device includes a first data sampling circuit that samples a data signal using a first recovery clock, a second data sampling circuit that samples an output signal of the first data sampling circuit using a second recovery clock, and a third data sampling circuit that samples an output signal of the second data sampling circuit using a third recovery clock. The receiving circuit further includes a first clock recovery circuit that receives the data signal and generates the first recovery clock, a second clock recovery circuit that receives the output signal of the first data sampling circuit and generates the second recovery clock, and a third clock recovery circuit that receives the output signal of the second data sampling circuit and generates the third recovery clock.

Abstract: A washing machine capable of communicating with a drying machine, and a method therefor are provided. The washing machine includes a communication circuitry configured to exchange data with an external device including a drying machine, a control panel including a dedicated button configured to obtain a user input for activating or deactivating a common function common with the drying machine, and at least one processor configured to, in response to obtaining the user input for activating the common function through the dedicated button, control the communication circuitry to activate the common function and transmit a communication signal for activating the common function to the drying machine, such that even if the drying machine is installed on the washing machine, the user may operate the drying machine without inconvenience.

Abstract: A display device includes a display panel having a first non-folding region, a folding region, and a second non-folding region consecutively arranged in a first direction. The folding region is adjacent to the first and second non-folding regions and is foldable about a folding axis. A lower substrate is disposed under the display panel. The lower substrate includes a spacing portion and a pattern portion. The spacing portion overlaps the folding region on a plane. The pattern portion is spaced apart from the display panel by the spacing portion in a thickness direction of the display device. The pattern portion includes a plurality of holes.

Abstract: Examples described herein relate to technologies for reliable packet transmission. In some examples, a network interface includes circuitry to: receive a request to transmit a packet to a destination device, select a path for the packet, provide a path identifier identifying one of multiple paths from the network interface to a destination and Path Sequence Number (PSN) for the packet, wherein the PSN is to identify a packet transmission order over the selected path, include the PSN in the packet, and transmit the packet. In some examples, if the packet is a re-transmit of a previously transmitted packet, the circuitry is to: select a path for the re-transmit packet, and set a PSN of the re-transmit packet that is a current packet transmission number for the selected path for the re-transmit packet.

Abstract: A test device for testing a semiconductor, the test device comprising: a pulse signal generator that is configured to generate a first pulse signal and transmit the first pulse signal through channels; a sampler that is configured to receive the first pulse signal through the channels and conduct a sampling process on the first pulse signal, based on a second pulse signal; a width analyzer that is configured to measure a first width of the first pulse signal and generate a first measurement value, based on a result of the sampling process; and a calculator that is configured to output a test result corresponding to each of the channels of the test device, based on the first measurement value.

Abstract: An image sensor includes: a semiconductor substrate including a top surface and a bottom surface; a two-dimensional (2D) material layer on the top surface of the semiconductor substrate and including molybdenum disulfide (MoS2); and a top absorber on a top surface of the 2D material layer and including graphene, wherein the semiconductor substrate includes silicon doped with a p-type impurity, the 2D material layer has n-type conductivity, and the semiconductor substrate and the 2D material layer are configured to form a p-n diode.

Abstract: An electrochemical system is provided including a Pt electrode and a water-in-salt electrolyte solution and induces a redox reaction of hydrogen gas by applying a negative potential to the Pt electrode, wherein the water-in-salt electrolyte solution includes an aqueous solvent and an salt, wherein the salt includes lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), lithium trifluoromethane sulfonate (LiOTf), lithium bis(fluorosulfonyl)imide (LiFSI), lithium bis(pentafluoroethane sulfonyl)imide (LiBETI), or a combination thereof, and a molal concentration of the water-in-salt electrolyte is 5 m to 50 m, to suppress formation of hydrogen gas bubbles on the Pt electrode to which the negative potential is applied.

Abstract: There is provided a method of preparing a synchronized piezoelectric and luminescence material. The method includes mixing a solution (a) including light-emitting particles or precursors thereof and a solution (b) including ligands having a piezoelectric property in a polar solvent; and optionally, mixing a solution (c) including ligands having a piezoelectric property in an antisolvent together with the solution (a) and the solution (b), if necessary.

Abstract: An electronic device includes a display module that includes a foldable display portion and a non-foldable display portion, and a window disposed above the display module and that includes a foldable portion that corresponds to the foldable display portion and a non-foldable portion that corresponds to the non-foldable display portion. The window includes a first glass substrate, a second glass substrate that faces the first glass substrate, a protection layer that corresponds to the non-foldable portion and that is disposed between the first glass substrate and the second glass substrate and that includes an inorganic oxide, and a photoresist layer disposed between the protection layer and the first glass substrate. The first glass substrate includes a recessed portion that corresponds to the foldable portion formed on one surface adjacent to the protection layer.

Abstract: A display device includes: a display panel; and a window on the display panel, wherein the window includes a glass substrate having a thickness of 20 micrometers (?m) to 100 ?m, and the glass substrate contains, on a basis of an entirety of the glass substrate, more than 75 mol % and less than 85 mol % of SiO2, more than 10 mol % and less than 20 mol % of Na2O, and more than 0 mol % and less than 10 mol % of CaO, respectively.

Abstract: Disclosed is a method for manufacturing a flexible transparent electrode. The method for manufacturing the flexible transparent electrode includes a first step of forming a transparent polymer layer on a substrate; a second step of spray-coating silver nanowires (AgNWs) on the transparent polymer layer; a third step of spray-coating MXene flakes on the transparent polymer layer having the silver nanowires coated thereon; and a fourth step of pressing and, at the same time, heat-treating an upper surface of the transparent polymer layer on which the silver nanowires and the MXene flakes have been coated.

Abstract: A display device includes: a display panel; and a window on the display panel, wherein the window includes a glass substrate having a thickness of 20 micrometers (?m) to 100 ?m, and the glass substrate contains, on a basis of an entirety of the glass substrate, more than 75 mol % and less than 85 mol % of SiO2, more than 10 mol % and less than 20 mol % of Na2O, and more than 0 mol % and less than 10 mol % of CaO, respectively.

Abstract: An apparatus for testing an image sensor includes a load resistor, a first switch configured to be electrically connected to a first signal line of a device under test and a first end of the load resistor, a second switch configured to be electrically connected to a second signal line of the device under test and a second end of the load resistor, a first parametric measuring unit electrically connected to the first switch, and a second parametric measuring unit electrically connected to the second switch. At least one of the first parametric measuring unit and the second parametric unit is configured to correct an error of the load resistor during a testing operation of an output voltage of the device under test.

Abstract: A method of manufacturing a window for a display apparatus according to the present invention includes: providing, on a stage, a substrate including a foldable part bending around a folding axis extending in a first direction, and forming a groove on the foldable part. The forming the groove includes: grinding the foldable part by using a first machining wheel; grinding the foldable part by using a second machining wheel; and machining the foldable part by using a polishing wheel. The groove has at least one radius of curvature. The first machining wheel includes first abrasive grains, and the second machining wheel includes second abrasive grains less in size than the first abrasive grains.

Abstract: An electronic device includes a display module that includes a foldable display portion and a non-foldable display portion, and a window disposed above the display module and that includes a foldable portion that corresponds to the foldable display portion and a non-foldable portion that corresponds to the non-foldable display portion. The window includes a first glass substrate, a second glass substrate that faces the first glass substrate, a protection layer that corresponds to the non-foldable portion and that is disposed between the first glass substrate and the second glass substrate and that includes an inorganic oxide, and a photoresist layer disposed between the protection layer and the first glass substrate. The first glass substrate includes a recessed portion that corresponds to the foldable portion formed on one surface adjacent to the protection layer.

Abstract: A window includes a first glass substrate, a second glass substrate facing the first glass substrate, and a bonding layer disposed between the first glass substrate and the second glass substrate. The window includes a first non-folding portion, a second non-folding portion, and a folding portion, the folding portion is disposed between the first non-folding portion and the second non-folding portion, and at least one of the first glass substrate and the second glass substrate includes a concave portion corresponding to the folding portion and defined on a surface adjacent to the bonding layer.

Abstract: A receiver, which is compatible with a mobile industry processor interface (MIPI) C-PHY physical layer, includes a plurality of variable-gain amplifiers responsive to respective multi-level signals (e.g., 3-level signals), and a plurality of filters having variable cutoff frequencies. The plurality of filters are responsive to respective signals generated by the plurality of amplifiers. An array of comparators is provided, which is responsive to signals generated by the plurality of filters. A jitter detection circuit is provided, which is configured to set respective gains of the plurality of variable-gain amplifiers and respective cutoff frequencies of the plurality of filters (e.g., high-pass filters), in response to signals generated by the array of comparators.