摘要:
An information processing device includes: a first receiving unit to receive, from a first other information processing device, equipment information of a second other information processing device that differs from the first other information processing device, via a first communication and first connecting information useful for connecting with the second other information processing device by a second communication that differs from the first communication; a first transmitting unit to transmit second connection information that is useful for connecting with the device itself by the second communication to the first other information processing device, via the first communication; and a second receiving unit to receive content data transmitted from the second other information processing device by the second communication, based on the first connection information and the second connection information.
摘要:
There is provided an information processing system including a service provider unit, a communication terminal and an information processing unit. The communication terminal includes a terminal first communication section, a terminal second communication section to communicate with the information processing unit through a first communication channel, a terminal third communication section to communicate with the information processing unit through a second communication channel, and a terminal communication control section. The information processing unit includes a unit first communication section to communicate with the communication terminal through the first communication channel, a unit second communication section to communicate with the communication terminal through the second communication channel, a unit communication control section to switch communication channels with the communication terminal from the first communication channel to the second communication channel, and a unit processing section to perform service processing with the service provider unit.
摘要:
In order to improve reliability by preventing edge breakdown in a semiconductor photodetector having a mesa structure such as a mesa APD, the semiconductor photodetector includes a mesa structure formed on a first semiconductor layer of the first conduction type formed on a semiconductor substrate, the mesa structure including a light absorbing layer for absorbing light, an electric field buffer layer for dropping an electric field intensity, an avalanche multiplication layer for causing avalanche multiplication to occur, and a second semiconductor layer of the second conduction type, wherein the thickness of the avalanche multiplication layer at the portion in the vicinity of the side face of the mesa structure is made thinner than the thickness at the central portion of the mesa structure.
摘要:
There is provided a communication apparatus including: a first communication unit having a first communication range; a second communication unit having a second communication range wider than the first communication range; a control unit which transmits a request signal for starting communication via the second communication unit from the first communication unit to another communication apparatus, and transmits authentication information from the second communication unit to the another communication apparatus in the case where it is determined that communication with the another communication apparatus via the second communication unit is possible based on a response signal after the first communication unit receives the response signal in response to the request signal; and a notification unit which notifies a user after the second communication unit receives a result of authentication based on the authentication information.
摘要:
There is provided an information processing system including a service provider unit, a communication terminal and an information processing unit. The communication terminal includes a terminal first communication section, a terminal second communication section to communicate with the information processing unit through a first communication channel, a terminal third communication section to communicate with the information processing unit through a second communication channel, and a terminal communication control section. The information processing unit includes a unit first communication section to communicate with the communication terminal through the first communication channel, a unit second communication section to communicate with the communication terminal through the second communication channel, a unit communication control section to switch communication channels with the communication terminal from the first communication channel to the second communication channel, and a unit processing section to perform service processing with the service provider unit.
摘要:
A communication device for performing communication by employing first and second communication units, includes: a reception unit for receiving a communication packet including a random number generated for every connection with another communication device, a certificate calculated with the random number, and authentication method information indicating whether or not an authentication method at the second communication unit is compatible with the public key system, through the first communication unit; and a method determining unit for determining whether or not an originator of the communication packet accepts public key encryption based on the authentication method information included in the communication packet; wherein in a case of the method determining unit determining that the originator of the communication packet does not accept the public key system, the random number included in the communication packet is replied to the originator as the identification information of the device itself.
摘要:
A packaging substrate for electronic elements comprises a first area for receiving an electronic element through flip chip bonding and a second area for receiving an electronic element through wire bonding. The first area has a bonding pad having applied on a surface thereof a coating of a solder material. The packaging substrate is used in the production of an electronic device having mounted thereon electronic elements such as semiconductor chips.
摘要:
A semiconductor photodetection device includes a semiconductor structure including an optical absorption layer having a photo-incidence surface on a first side thereof, a dielectric reflecting layer formed on a second side of the semiconductor structure opposite to the first side, a contact electrode surrounding the dielectric reflecting layer and contacting with the semiconductor structure, and a close contact electrode covering the dielectric reflecting layer and contacting with the contact electrode and the dielectric reflecting layer, wherein the close contact electrode adheres to the dielectric reflecting layer more strongly than to the contact electrode.
摘要:
A flip-chip mount board includes a circuit board provided with a plurality of conductor patterns to which a plurality of bumps provided on an electronic component can be connected via a connection medium provided on the conductor patterns. The conductor pattern includes at least one wiring pattern and a connection pad, the wiring pattern serves as an interconnection, the connection pad is provided at a position corresponding to one of the bumps, the at least one wiring pattern and the connection pad are provided in an integrated manner, and a width (W1) of the connection pad is formed so as to be greater than a width (W2) of the wiring pattern (W1>W2).
摘要:
A semiconductor device includes a first substrate carrying semiconductor chips on both upper and lower major surfaces thereof, a second substrate carrying the first substrate, and a resin package body having a first part for embedding the semiconductor chips on the upper major surface of the first substrate and a second part for embedding the semiconductor chips on the lower major surface of the first substrate, wherein the second substrate carries on a lower major surface thereof solder bumps forming a BGA structure.