Abstract: A vertical layer stack including a bit-line-level dielectric layer and an etch stop dielectric layer can be formed over an array region. Bit-line trenches are formed through the vertical layer stack. Bit-line-trench fill structures are formed in the bit-line trenches. Each of the bit-line-trench fill structures includes a stack of a bit line and a capping dielectric strip. At least one via-level dielectric layer can be formed over the vertical layer stack. A bit-line-contact via cavity can be formed through the at least one via-level dielectric layer and one of the capping dielectric strips. A bit-line-contact via structure formed in the bit-line-contact via cavity includes a stepped bottom surface including a top surface of one of the bit lines, a sidewall segment of the etch stop dielectric layer, and a segment of a top surface of the etch stop dielectric layer.

Abstract: An acoustic wave device includes a piezoelectric substrate that includes first and second main surfaces, an IDT electrode on the first main surface, a support having a rectangular or substantially rectangular frame shape and including a cavity, first and second sides, and a first corner portion connected to the first and second sides, and the support being provided on the first main surface such that the cavity surrounds the IDT electrode, and a cover on the support and covering the cavity. A straight or substantially straight grinding trace is provided on the second main surface. The grinding trace leads to the first corner portion as viewed in plan. One of an angle between the first side and the grinding trace and an angle between the second side and the grinding trace as viewed in plan is about 9.5° or less.

Abstract: An acoustic wave device includes a piezoelectric substrate made of LiNbO3 or LiTaO3 and including first and second main surfaces that face each other, an IDT electrode provided on the first main surface of the piezoelectric substrate, and a Li2CO3 layer provided on the second main surface of the piezoelectric substrate.

Abstract: An acoustic wave device includes a piezoelectric substrate made of LiNbO3 or LiTaO3 and including first and second main surfaces that face each other, a functional electrode provided on the first main surface of the piezoelectric substrate to excite acoustic waves, and a Li2CO3 layer provided on the second main surface of the piezoelectric substrate.

Abstract: To provide a highly reliable lighting-emitting device that hardly causes defects in case a wiring board is bent, while realizing high brightness by increasing a mounting density of surface-mounted LEDs on a wiring board that is rounded into a truncated cone shape or a cylinder shape, the light-emitting device comprises: the wiring board, a plurality of sets of pads arranged in a line along a circumferential direction of the wiring board, and a plurality of surface-mounted LEDs respectively fixed to the pads. The device satisfies y??1.04x+1.80, where (L) is a length of the circumference of the wiring board with the pads, (y) (y=s/L) is a ratio of a total sum (s) of the lengths in the circumferential direction of the pads relative to the circumferential length (L), and (x) is a curvature of the wiring board where the pads are arranged.

Abstract: An acoustic wave device includes a piezoelectric substrate made of LiNbO3 or LiTaO3 and including first and second main surfaces that face each other, a functional electrode provided on the first main surface of the piezoelectric substrate to excite acoustic waves, and a Li2CO3 layer provided on the second main surface of the piezoelectric substrate.

Abstract: An acoustic wave device includes a piezoelectric substrate that includes first and second main surfaces, an IDT electrode on the first main surface, a support having a rectangular or substantially rectangular frame shape and including a cavity, first and second sides, and a first corner portion connected to the first and second sides, and the support being provided on the first main surface such that the cavity surrounds the IDT electrode, and a cover on the support and covering the cavity. A straight or substantially straight grinding trace is provided on the second main surface. The grinding trace leads to the first corner portion as viewed in plan. One of an angle between the first side and the grinding trace and an angle between the second side and the grinding trace as viewed in plan is about 9.5° or less.

Abstract: An optical axis control apparatus is provided with a relative-road-surface-angle calculating unit which calculates a relative horizontal plane angle being an inclination angle of a vehicle with respect to a horizontal plane by using an output value of an acceleration sensor provided on the vehicle and calculates a relative road surface angle being an inclination angle of the vehicle with respect to a road surface by integrating an amount of change of the relative horizontal plane angle while the vehicle is stationary, a relative-road-surface-angle correcting unit which obtains braking information indicating an operation state of a brake device provided on the vehicle and corrects the relative road surface angle for a change in the braking information, and an optical axis control unit which controls an optical axis of headlights provided on the vehicle using the relative road surface angle corrected by the relative-road-surface-angle correcting unit.

Abstract: To provide a highly reliable lighting-emitting device that hardly causes defects in case a wiring board is bent, while realizing high brightness by increasing a mounting density of surface-mounted LEDs on a wiring board that is rounded into a truncated cone shape or a cylinder shape, the light-emitting device comprises: the wiring board, a plurality of sets of pads arranged in a line along a circumferential direction of the wiring board, and a plurality of surface-mounted LEDs respectively fixed to the pads. The device satisfies y??1.04x+1.80, where (L) is a length of the circumference of the wiring board with the pads, (y) (y=s/L) is a ratio of a total sum (s) of the lengths in the circumferential direction of the pads relative to the circumferential length (L), and (x) is a curvature of the wiring board where the pads are arranged.

Abstract: An optical axis control apparatus is provided with a relative-road-surface-angle calculating unit which calculates a relative horizontal plane angle being an inclination angle of a vehicle with respect to a horizontal plane by using an output value of an acceleration sensor provided on the vehicle and calculates a relative road surface angle being an inclination angle of the vehicle with respect to a road surface by integrating an amount of change of the relative horizontal plane angle while the vehicle is stationary, a relative-road-surface-angle correcting unit which obtains braking information indicating an operation state of a brake device provided on the vehicle and corrects the relative road surface angle for a change in the braking information, and an optical axis control unit which controls an optical axis of headlights provided on the vehicle using the relative road surface angle corrected by the relative-road-surface-angle correcting unit.

Abstract: A flexible multilayer substrate includes a stacked body including a plurality of stacked resin layers and defining a flexible portion. The stacked body includes an innermost surface located inside and an outermost surface located outside when the stacked body is bent in use. A plurality of conductor patterns are arranged inside the stacked body to be distributed over a surface of one or more of the plurality of resin layers. A portion located on the innermost surface side with respect to a center plane of the stacked body in a thickness direction is a first portion, and a portion located on the outermost surface side with respect to the center plane is a second portion. An area having a minimum spacing along the longitudinal direction between the conductor patterns arranged in the same plane, in all of the plurality of resin layers, is located in the second portion.

Abstract: A flexible multilayer substrate includes a stacked body including a plurality of stacked resin layers and defining a flexible portion. The stacked body includes an innermost surface that is a surface located inside when the stacked body is bent in use, and an outermost surface that is a surface located outside when the stacked body is bent in use. A plurality of conductor patterns are arranged inside the stacked body to be distributed over a surface of one or more of the plurality of resin layers. A portion located on the innermost surface side with respect to a center plane of the stacked body in a thickness direction is a first portion, and a portion located on the outermost surface side with respect to the center plane is a second portion. An area having a minimum spacing along the longitudinal direction between the conductor patterns arranged in the same plane, in all of the plurality of resin layers, is located in the second portion.

Abstract: A fluorescent lamp may include a pair of hot cathode electrodes at both its ends, wherein a phosphor is formed in a laminated manner on the inner surface of a glass tube and a protection film is formed between the glass tube and the phosphor, wherein a residual impure gas in the lamp, including the amount occluded by the phosphor and the protection film, is set to 0.5% or less with the sealed rare gas partial pressure ratio, and wherein the following relationship is fulfilled: GHg=A×CL, A=0.0032-0.163 [mg/cc], wherein the amount of sealed mercury is GHg [mg], the lamp internal volume is CL [cc], and the coefficient is A [mg/cc].

Abstract: At the end of life of a fluorescent lamp having a base to which a pin is press-fitted, it is an object to prevent the pin from dropping or slanting, etc. A fluorescent lamp includes a base having a base body and a pin press-fitted to a hole formed on the base body. A pin retaining force (a pin torque of the base) Fe after use by which the base body retains the pin is at least 0.08 Nm after the fluorescent lamp is burned for a rated life, and a rate Fe/Fi of an initial pin retaining force Fi by which the base body retains the pin before use of the fluorescent lamp and the pin retaining force Fe after use is at least 0.66.

Abstract: A fluorescent lamp may include a pair of hot cathode electrodes at both its ends, wherein a phosphor is formed in a laminated manner on the inner surface of a glass tube and a protection film is formed between the glass tube and the phosphor, wherein a residual impure gas in the lamp, including the amount occluded by the phosphor and the protection film, is set to 0.5% or less with the sealed rare gas partial pressure ratio, and wherein the following relationship is fulfilled: GHg=A×CL, A=0.0032-0.163 [mg/cc], wherein the amount of sealed mercury is GHg [mg], the lamp internal volume is CL [cc], and the coefficient is A [mg/cc].

Abstract: A sheet transformer includes a first core having central and lateral legs penetrating a coil on a circuit board, a plate-shaped second core positioned on an end of the first core, the cores being assembled into an integral piece and an air gap being formed between the central leg and the second core, and a fixing member for fixing the cores with respect to the coil. The fixing member has holder portions having claw portions for holding the lateral legs of the first core from a side of the second core respectively, a first spring portion extending from a side of the second core toward the circuit board, for bringing inner plane portions of the legs of the first core into contact with the coil, and a second spring portion for pressing positions of the second core which are opposite to the lateral legs.

Abstract: It is an object to provide a compact fluorescent lamp having a diffusion film applied to the inner surface of the outer tube globe, in which the ultraviolet light transmissivity is lower than or equal to 25% and the visible light transmissivity is greater than or equal to 95% without increasing the skin failure rate of the film. A compact fluorescent lamp according to the present invention relates to a compact fluorescent lamp in which a light emitting tube is accommodated in an outer tube globe; wherein a diffusion film for diffusing a visible light radiated from the light emitting tube and absorbing an ultraviolet light radiated from the light emitting tube is formed on an inner surface of the outer tube globe; and the diffusion film consists of TiO2 and SiO2, and an average particle diameter of SiO2 is 1 to 10 ?m.

Abstract: A bulb-type fluorescent lamp using a helical luminous tube is provided.

Abstract: At the end of life of a fluorescent lamp having a base to which a pin is press-fitted, it is an object to prevent the pin from dropping or slanting, etc. A fluorescent lamp includes a base having a base body and a pin press-fitted to a hole formed on the base body. A pin retaining force (a pin torque of the base) Fe after use by which the base body retains the pin is at least 0.08 Nm after the fluorescent lamp is burned for a rated life, and a rate Fe/Fi of an initial pin retaining force Fi by which the base body retains the pin before use of the fluorescent lamp and the pin retaining force Fe after use is at least 0.66.

Abstract: At the end of life of a fluorescent lamp having a base to which a pin is press-fitted, it is an object to prevent the pin from dropping or slanting, etc. A fluorescent lamp includes a base having a base body and a pin press-fitted to a hole formed on the base body. A pin retaining force (a pin torque of the base) Fe after use by which the base body retains the pin is at least 0.08 Nm after the fluorescent lamp is burned for a rated life, and a rate Fe/Fi of an initial pin retaining force Fi by which the base body retains the pin before use of the fluorescent lamp and the pin retaining force Fe after use is at least 0.66.