Patent application number | Description | Published |
20080316696 | SEMICONDUCTOR MEMORY DEVICE AND SEMICONDUCTOR MEMORY CARD USING THE SAME - A semiconductor memory device is provided with a wiring board which includes an element mounting portion and connection pads. Plural semiconductor memory elements are stacked on the element mounting portion of the wiring board. The semiconductor memory element of a lower side has a thickness greater than that of the semiconductor memory element of an upper side. The semiconductor memory elements are electrically connected to the connection pads of the wiring board via metal wires. | 12-25-2008 |
20090085223 | SEMICONDUCTOR DEVICE AND SEMICONDUCTOR MEMORY DEVICE - A plurality of semiconductor elements configuring a first element group are stacked in a step-like shape on a wiring board. A plurality of semiconductor elements configuring a second element group are stacked in a step-like shape on the first element group toward a direction opposite to the stepped direction of the first element group. The semiconductor elements are electrically connected to connection pads of the wiring board through metallic wires. Among the plurality of semiconductor elements configuring the second element group, the lowermost semiconductor element has a thickness larger than those of the other semiconductor elements. | 04-02-2009 |
20090108470 | SEMICONDUCTOR DEVICE - A element group includes a plurality of semiconductor elements stacked in a step-like shape on a wiring board. The semiconductor elements are electrically connect to connection pads of the wiring board through metal wires. Among the plural semiconductor elements stacked in a step-like shape, the uppermost semiconductor element has a thickness larger than that of the semiconductor element immediately below it. | 04-30-2009 |
20100109141 | SEMICONDUCTOR MEMORY DEVICE AND SEMICONDUCTOR MEMORY CARD - A semiconductor memory card includes a wiring board which has a first pad region along a first long side and a second pad region along a second long side. First memory chips which configure a first chip group are stacked in a step-like shape on the wiring board. Second memory chips which configure a second chip group are stacked in a step-like shape on the first chip group with the direction reversed. The electrode pads of the first memory chips are electrically connected to the connection pads arranged on the first pad region, and the electrode pads of the second memory chips are electrically connected to the connection pads arranged on the second pad region. | 05-06-2010 |
20100120203 | SEMICONDUCTOR DEVICE AND MEMORY CARD USING THE SAME - A circuit board has a curved portion provided in at least one side of an external shape thereof. An external connecting terminal is provided on a first main surface of the circuit board. A semiconductor element is mounted on a second main surface of the circuit board. A first wiring network is provided in a region except the terminal region on the first main surface. A second wiring network is provided on the second main surface. Distance from the side including the curved portion to the first wiring network is larger than distance from at least one of the other sides to the first wiring networks, and distance from the side including the curved portion to the second wiring network is larger than distance from at least one of the other sides to the second wiring networks. | 05-13-2010 |
20100187690 | SEMICONDUCTOR DEVICE - A semiconductor device includes a wiring substrate having connection pads. A first semiconductor chip is mounted on the wiring substrate. A second semiconductor chip is stacked on the first semiconductor chip in a step-like shape. Electrode pads of the first semiconductor chip are electrically connected to the connection pads of the wiring substrate via first metal wires. Electrode pads of the second semiconductor chip are electrically connected to the electrode pads of the first semiconductor chip via second metal wires. One end of the second metal wire is connected from above metal bump formed on the first electrode pad. | 07-29-2010 |
20100200976 | SEMICONDUCTOR DEVICE AND SEMICONDUCTOR MEMORY DEVICE - A plurality of semiconductor elements configuring a first element group are stacked in a step-like shape on a wiring board. A plurality of semiconductor elements configuring a second element group are stacked in a step-like shape on the first element group toward a direction opposite to the stepped direction of the first element group. The semiconductor elements are electrically connected to connection pads of the wiring board through metallic wires. Among the plurality of semiconductor elements configuring the second element group, the lowermost semiconductor element has a thickness larger than those of the other semiconductor elements. | 08-12-2010 |
20110110053 | SEMICONDUCTOR MEMORY DEVICE AND SEMICONDUCTOR MEMORY CARD USING THE SAME - A semiconductor memory device is provided with a wiring board which includes an element mounting portion and connection pads. Plural semiconductor memory elements are stacked on the element mounting portion of the wiring board. The semiconductor memory element of a lower side has a thickness greater than that of the semiconductor memory element of an upper side. The semiconductor memory elements are electrically connected to the connection pads of the wiring board via metal wires. | 05-12-2011 |
20120043671 | SEMICONDUCTOR MEMORY DEVICE AND SEMICONDUCTOR MEMORY CARD - A semiconductor memory card includes a wiring board which has a first pad region along a first long side and a second pad region along a second long side. First memory chips which configure a first chip group are stacked in a step-like shape on the wiring board. Second memory chips which configure a second chip group are stacked in a step-like shape on the first chip group with the direction reversed. The electrode pads of the first memory chips are electrically connected to the connection pads arranged on the first pad region, and the electrode pads of the second memory chips are electrically connected to the connection pads arranged on the second pad region. | 02-23-2012 |