Abstract:
PROBLEM TO BE SOLVED: To provide a resonator capable of improving the S/N ratio, as compared with those of prior art, to provide a method of manufacturing the resonator, and to provide an oscillator and electronic apparatus that includes such a resonator.SOLUTION: A high-resistance part 113, having a resistance value larger than that of a conductor part 111, is provided in a vibrating part 11 (in parallel with an LCR series resonance circuit) in the vibration part 11 for performing resonance vibration by longitudinal wave vibration, according to the frequency of an input AC signal Sin. Without making the signal level Sp of a resonance peak lower, a background level Sbg can be reduced. The connecting part between a beam part 12H and a support part 13H and a region around the connecting part are, preferably, high-resistance parts 113, and the beam part 12H and the support part 13H are also high-resistance parts (high-resistance regions) in the vibrating part 11.
Abstract:
PROBLEM TO BE SOLVED: To provide a resonator that can be miniaturized, as compared with before, and to provide a method of manufacturing the resonator in resonators that includes a plurality of resonance frequencies, and to provide an oscillator and electronic apparatus that includes such a resonator.SOLUTION: By switching an input terminal to which an input AC signal Sin is input among a plurality of terminals in3, in5 and in7, the input paths of the input AC signal Sin to blocks in a conductor part 111 are switched. Also, by switching an output terminal to which an output AC signal Sout is output among a plurality of terminals out3, out5 and out7, the output path of the output AC signal Sout from blocks in the conductor part 111 are switched. Consequently, a plurality of resonance frequencies fr (a plurality of orders of resonance modes) are excited, according to the locatios in a vibrating part 11 of an insulating film 112 that produces a potential difference in the resonator 1 of a single structure.
Abstract:
PROBLEM TO BE SOLVED: To improve reliability on a capsulated electromechanical element. SOLUTION: The electromechanical element is provided with an electromechanical element body 64 having lower electrodes 62 and 63 and a moving piece 35, and an over-coated film 38 sealing the electromechanical element body 64 with a space 37 held therein. Supports 52 are provided between the over-coated film 38 and the moving piece 35. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an interposer which exhibits excellent high frequency characteristics while simplifying the manufacturing process.SOLUTION: A through electrode 12 is provided through a substrate 11, a dielectric layer 14A is formed on the substrate 11 and then interconnections 16A and 16B and an antenna 17 are formed on the dielectric layer 14A. Subsequently, dielectric layers 14 and 14C are laminated, respectively, on the undersurface of the substrate 11 and on the dielectric layer 14A, and a recess 19A is provided in the substrate 11 thus completing an interposer 10A. After bonding a semiconductor chip 20 to the top face side of the substrate 11, the undersurface side of the substrate 11 is mounted on a printed board 30. Since the interconnections 16A and 16B for connecting the semiconductor chip 20 and the printed board 30 are provided on the substrate 11, the manufacturing process is simplified.
Abstract:
PROBLEM TO BE SOLVED: To provide a high-frequency device capable of suppressing reduction of high-frequency characteristics of a high-frequency device having openings on a substrate. SOLUTION: On a substrate 11, a dielectric layer 15A, high-frequency element 16s (slot antenna 16A, microstrip line 16B), a dielectric layer 15B and an RFIC circuit 18 are formed in order. Openings 17 (17A, 17B) are provided in the substrate 11 located opposite to the high-frequency elements 16 (slot antenna 16A, microstrip line 16B). On the dielectric layer 15, complementing layers 21 (21A, 21b) constituted of dielectric materials or magnetic materials are provided in positions opposed to the openings 17 (17A, 17B). Thus, reduction of a dielectric constant or permeability caused by forming the openings 17 is complemented in the substrate 11and reduction of high-frequency characteristics of a high-frequency device 1 can be suppressed. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a filter element as a single unit having a band elimination function. SOLUTION: The filter element is provided with: a vibration section 16 held in midair via a beam 16 by a pair of supporting members 15; an input terminal 11; and an output terminal 12 disposed oppositely to the vibration portion 16 with a predetermined space. The vibration portion 16 is composed of a single structure, and vibrates based on a resonance mode caused by torsional vibration and a resonance mode caused by flexure vibration when an AC signal is applied to the input electrode 11. The resonance mode caused by the torsional vibration has a resonance frequency f 1 and a reverse resonance frequency f 2 of a frequency larger than the resonance frequency f 1 , and the resonance mode caused by the flexure vibration has a resonance frequency f 3 of a frequency larger than the resonance frequency f 1 and a reverse resonance frequency f 4 of a frequency smaller than the resonance frequency f 3 and larger than the resonance frequency f 1 . COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a minute resonator with low Q value by making the minute resonators with different resonant frequencies without making structures of the minute resonators different from one another. SOLUTION: The minute resonator includes a plurality of parallel-arranged beam type resonant elements impressed by a DC voltage, and is so structured that the DC voltages applied between the resonant elements are allowed to be different. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To contrive the reduction of the time of loading/unloading a tape by providing a 1st recording means for writing the data breakoff information existing on the magnetic tape onto a helical track and a 2nd recording means for writing the positional information and the data breakoff information existing on the magnetic tape onto a longitudinal track. SOLUTION: By a system control part 4, the control information corresponding to the instruction from a host computer supplied through a host computer interface part 1 is formed and the control is made by supplying this information to each part. The pieces of information such as the valid/invalid information, attribute information, file information block number information, etc., are written into the user's data region on a time code track of the longitudinal recording part in combination with the additional information capable of discriminating the correct/error at the time of reading out. Based on these informations, the file number at the present tape position and the block number therein are detected, then the search is executed while making the tape run at a high speed.
Abstract:
PROBLEM TO BE SOLVED: To increase reliability of a buffer memory and a peripheral circuit by processing the error correction of data outputted from the buffer memory by the installation of an EDAC and retrying the recording or output processing operation of the data against external devices and recording/reproducing system according to need, based on the processing result. SOLUTION: The EDACs 24a and 24b are respectively arranged corresponidng to each buffer memory 21A and 21B, thereby a check bit of error correcting code is added to data D1 inputted from the buffer 7 at the recording operation. Further at the recording operation, the data D1 outputted from each buffer memory 21A and 21B are processed for error detection by the check bit, and the error correction is processed when the bit error of one bit is detected, and when the bit error of two or more bits are detected, the data D1 are outputted as they are, and simultaneously, the result of the error correction is informed to a timing control circuit 25. Also at the reproduction, the error detection and the correction processing are executed on inputted data D2 for reproduction by almost the same manner as the recording operation.
Abstract:
PURPOSE:To obtain a magnetic recording/reproducing device capable of efficiently operating by reducing damage of a tape. CONSTITUTION:The tension is applied to the tape 7 in the recording/reproducing part, and when the recording is not instructed in the ON state of standby for rotating a recording/reproducing head with the rotation of a rotary drum, the control is made so that the tape is slowly moved back and forth between a pre-roll point 22 and a front point 23 over the moving range 25. By this procedure, the tape is prevented from being damaged, and also the tape 7 is promptly operated when the recording is instructed, since the need of the OFF state of standby is eliminated.