Abstract: A first insulating layer is layered on first surfaces of solar cells. Herein, the first insulating layer is formed of polyolefin or ethylene-vinyl acetate copolymer (EVA). A second insulating layer is layered on the first insulating layer. Herein, the second insulating layer is formed of polyester resin. A first inter-cell wire rod and second inter-cell wire rod provided to the first surfaces of the solar cells are partially brought into contact with the second insulating layer.

Abstract: A solar cell module includes solar cells having main surfaces to which inter-cell wiring members are connected, and an insulating member disposed on the main surfaces and the wiring members, and a first lead-out wire provided to the insulating member. The insulating member includes a first insulating layer formed of polyester resin, a second insulating layer formed of polyolefin or EVA and provided between the first insulating layer and the lead-out wires, and a third insulating layer formed of polyolefin or EVA and provided between the first insulating layer and the main surfaces. The third insulating layer has a thickness in a direction perpendicular to the main surfaces larger than a thickness of the second insulating layer.

Abstract: A solar cell module includes: a solar cell group including a plurality of solar cell strings arranged in a second direction, the plurality of solar cell strings each including a plurality of solar cells arranged in a first direction; a terminal box that outputs power from the solar cell group out of the solar cell module; and an interconnect tab that connects the terminal box to a first end solar cell located at an end in the first direction in one of the plurality of solar cell strings that is located at an end in the second direction, and the interconnect tab does not overlap with the first end solar cell.

Abstract: A solar cell includes a solar cell substrate including a principal surface on which a p-type surface and an n-type surface are exposed, a p-side electrode formed on the p-type surface and including a first linear portion linearly extending in a first direction, and an n-side electrode formed on the n-type surface and including a second linear portion linearly extending in the first direction and arranged next to the first linear portion in a second direction orthogonal to the first direction. Corners of a tip end of at least one of the first and second linear portions are formed in a chamfered shape.

Abstract: A solar cell module includes a first protection member being disposed on the light receiving surface side of the solar cell module and having transparency, a second protection member disposed on the rear surface side, and a string provided between the first protection member and the second protection member. The string includes a plurality of solar cells each having a plurality of finger electrodes, formed so as to be approximately parallel to each other on the rear surface of a photoelectric conversion part, a plurality of wiring members fitted to each of the solar cells, in a direction intersecting a plurality of finger electrodes and connecting the adjacent solar cells to each other, and the metal foils provided, on the rear surface side of the photoelectric conversion part, at the overlapping the wiring members.

Abstract: A solar cell module includes a first protection member being disposed on the light receiving surface side of the solar battery and having transparency, a second protection member disposed on the rear surface side, and a string provided between the first protection member and the second protection member. The string includes a plurality of solar cells each having a plurality of finger electrodes, formed so as to be approximately parallel to each other on the rear surface of a photoelectric conversion part, a plurality of wiring members and a plurality of metal foils. The wiring members are fitted to each of the solar cells, in a direction intersecting a plurality of finger electrodes and connect the adjacent solar cells to each other.

Abstract: A solar cell includes: a first bus bar electrode disposed on a first end portion of the solar cell, and to which the wiring member is connected; a second bus bar electrode disposed on a second end portion of the solar cell, and to which the wiring member is connected; first finger electrodes disposed on the solar cell, electrically connected to the first bus bar electrode, and extending in a first direction toward the second bus bar electrode; second finger electrodes disposed on the solar cell, electrically connected to the second bus bar electrode, and extending in a second direction toward the first bus bar electrode. Each first finger electrode has a thickness which decreases as a distance to the second bus bar electrode decreases, and each second finger electrode has a thickness which decreases as a distance to the first bus bar electrode decreases.

Abstract: A solar cell module includes a first solar cell; and a light reflection member at least partially positioned on a side of the first solar cell in a first direction orthogonal to a thickness direction of the first solar cell. The light reflection member includes an insulating member and a conductive light reflection film on the insulating member in the thickness direction. A thickness of the light reflection member is larger than a thickness of the first solar cell, in the thickness direction.

Abstract: A solar cell module is provided with a plurality of solar cells and a wiring material. Each solar cell includes a p-side electrode and an n-side electrode arranged on one principal surface thereof. For each pair of adjacent solar cells, the wiring material electrically connects the p-side electrode of one solar cell and the n-side electrode of the other solar cell. Surface layers of the p-side electrodes and the n-side electrodes comprises, respectively, plating layers each containing at least one power-supplied point. The wiring material is bonded to the solar cells at regions each of which at least includes the power-supplied point.

Abstract: The present invention improves the reliability of back contact solar cell modules that are electrically connected by means of wiring material. A solar cell module (1) is provided with a plurality of solar cells (10), and wiring material (11). Each solar cell (10) has a p-side electrode (15) and an n-side electrode (14) arranged on a single main surface (20a). Among adjacent solar cells (10), the wiring material (11) electrically connects the p-side electrode (15) of one solar cell (10) to the n-side electrode (14) of another solar cell (10). The surface layers of the p-side electrode (15) and the n-side electrode (14) include plating layers (16c, 17c) which have at least one power supply point (18, 19). The wiring material (11) is bonded to the plating layers such that the wiring material overlaps a portion of the power supply points (18, 19) of each solar cell (10), and does not overlap another portion of the power supply points (18, 19).

Abstract: A solar cell includes a solar cell substrate including a principal surface on which a p-type surface and an n-type surface are exposed, a p-side electrode formed on the p-type surface and including a first linear portion linearly extending in a first direction, and an n-side electrode formed on the n-type surface and including a second linear portion linearly extending in the first direction and arranged next to the first linear portion in a second direction orthogonal to the first direction. Corners of a tip end of at least one of the first and second linear portions are formed in a chamfered shape.

Abstract: A method for manufacturing a solar cell (100) includes the steps of removing a resist film (50) and removing a part of an n-type amorphous semiconductor layer (12n).

Abstract: A solar cell (100) includes a p-type amorphous semiconductor layer (11p), an n-type amorphous semiconductor layer (12n), and a recombination layer (R) interposed between the p-type amorphous semiconductor layer (11p) and the n-type amorphous semiconductor layer (12n).

Abstract: A method for manufacturing a solar cell (100) includes the steps of: a step of cleaning an exposed region (R2) on a rear surface of an n-type crystalline silicon substrate (10n), wherein the step is carried out subsequent to a step of patterning an i-type amorphous semiconductor layer (11i) and a p-type amorphous semiconductor layer (11p) and prior to a step of forming an i-type amorphous semiconductor layer (12i).

Abstract: The present invention improves the reliability of back contact solar cell modules that are electrically connected by means of wiring material. A solar cell module (1) is provided with a plurality of solar cells (10), and wiring material (11). Each solar cell (10) has a p-side electrode (15) and an n-side electrode (14) arranged on a single main surface (20a). Among adjacent solar cells (10), the wiring material (11) electrically connects the p-side electrode (15) of one solar cell (10) to the n-side electrode (14) of another solar cell (10). The surface layers of the p-side electrode (15) and the n-side electrode (14) include plating layers (16c, 17c) which have at least one power supply point (18, 19). The wiring material (11) is bonded to the plating layers such that the wiring material overlaps a portion of the power supply points (18, 19) of each solar cell (10), and does not overlap another portion of the power supply points (18, 19).

Abstract: In a base station device 12 of an OFDMA mobile communication system, a frequency band storage unit 22 stores multiple frequency bands allocatable to mobile station devices, respectively, in association with predetermined conditions related to communication quality. A communication quality acquisition unit 37 acquires communication quality in communication with each of the mobile station devices. A frequency allocator 24 selects any one of the frequency bands from the frequency band storage unit 22 on the basis of the communication quality acquired by the communication quality acquisition unit 37, and notifies the mobile station device of channel information indicating the selected frequency band. Then, the mobile station device communicates with the base station device 12 in the frequency band indicated by the channel information notified by the frequency allocator 24 in the base station device 12.

Abstract: One of the objects of the present invention is to more completely avoid impossibility of access between a mobile station and a base station, in wireless communication using an OFDM (Orthogonal Frequency Division Multiplexing) modulation scheme. In one embodiment, a base station removes a guard interval from an OFDM symbol received from a PHS terminal through a timing correction channel at two different timings to obtain two effective symbols, calculates a timing correction amount by including one timing, at which an guard interval is removed for the effective symbol that has caused detection of one correlation peak within a predetermined timing detection range of two correlation peaks detected from the respective effective symbols, into a differential from reference timing of the base station at the time of detection of the one correlation peak, and transmits the timing correction amount to the PHS terminal by means of a timing correction burst.

Abstract: [The PROBLEMS] A solar cell capable of preventing scratches from occurring on a junction portion between a semiconductor layer and a semiconductor substrate, and capable of suppressing deterioration of conversion efficiency is provided.

Abstract: A bit register is restored to the initial state thereof irrespective of the state of the bit register even when a convolution encoder includes a circular section. The convolution encoder comprises an input data acquiring section (F11) for acquiring input data; an encoding object data generating section (F10) for generating encoding object data on the basis of the input data; a storage section (M10) for storing data corresponding to the encoding object data; a mod2 adder (S10) for performing convolution processing of the encoding object data on the basis of the data stored in the storage section (M10); and a switching section (F12) for switching at a prescribed timing the encoding object data generated by the encoding object data generating section (F10) from data based on the input data to data based on the data stored in the storage section (M10); wherein the data stored in the storage section (M10) are data obtained as a result of the convolution processing.

Abstract: In a base station device 12 of an OFDMA mobile communication system, a frequency band storage unit 22 stores multiple frequency bands allocatable to mobile station devices, respectively, in association with predetermined conditions related to communication quality. A communication quality acquisition unit 37 acquires communication quality in communication with each of the mobile station devices. A frequency allocator 24 selects any one of the frequency bands from the frequency band storage unit 22 on the basis of the communication quality acquired by the communication quality acquisition unit 37, and notifies the mobile station device of channel information indicating the selected frequency band. Then, the mobile station device communicates with the base station device 12 in the frequency band indicated by the channel information notified by the frequency allocator 24 in the base station device 12.