摘要:
The present invention is to provide an integrated circuit capable of reducing the substrate area, a variable filter adjusting method for the integrated circuit, and an electronic equipment using the integrated circuit, in which disorder of an external element and its temperature characteristic can be automatically corrected following the adjustment of disorder of the internal elements and their temperature characteristics by performing digital/analog conversion of a control signal to be input to a first adjustment unit for adjusting the disorder of internal elements of the integrated circuit and their temperature characteristics, so that the control signal can be input to a second adjustment unit as a reference signal of a digital/analog converter.
摘要:
A DLL circuit which can prevent transition to a pseudo lock state is provided. The DLL circuit includes a delay stage to which a reference clock is input and in which variable delay elements D able to change an amount of delay are connected in a plurality of stages, a phase comparator (PH Comp) which compares the phase of the reference clock to the phase of one delay signal extracted from the delay stage, a delay control circuit which performs delay control of the delay element in the delay stage on the basis of the comparison result by the phase-comparison means, and a DFF which detects a phase relationship of at least two delay signals extracted from the delay stage to discriminate a state which is not a normal lock state and controls the delay control circuit to perform state transition to the normal lock state.
摘要:
An electrostatic actuator, a liquid droplet ejection head, and a liquid droplet ejection device which have a good response and are driven by a small drive voltage includes a vibration plate as a sheet-shaped movable electrode and an individual electrode acting as a rectangular fixed electrode confronting the vibration plate and having stepped portions or an inclined portion in a long side direction with respect to the vibration plate, wherein the thickness of the vibration plate is reduced according to an order by which the vibration plate is made to abut against the individual electrode by electrostatic attracting force generated between the vibration plate and the individual electrode. Methods of manufacturing the above devices are also disclosed.
摘要:
An optical filter includes fixed substrate, a movable substrate opposed to the fixed substrate, a first reflection film provided on a surface of the fixed substrate facing the movable substrate, a second reflection film provided on the movable substrate and opposed to the first reflection film across a gap, a first electrode formed to cover the first reflection film and to extend beyond an outer circumference of the first reflection film, and a second electrode provided on a surface of the movable substrate facing the fixed substrate and opposed to a part of the first electrode, and the first electrode is formed of a light-transmissive material, and the first electrode and the second reflection film are electrically connected at the same potential.
摘要:
An optical filter includes a first substrate, a second substrate opposed to the first substrate, a first reflecting film provided to the first substrate, a second reflecting film provided to the second substrate, and opposed to the first reflecting film, a first electrode provided to the first substrate, a second electrode provided to the second substrate, and opposed to the first electrode, and a voltage control section adapted to control an electrical potential difference between the first electrode and a second electrode, and when switching a wavelength of a light beam to be dispersed by switching the electrical potential difference between the first electrode and the second electrode, and measuring an intensity of the light beam dispersed, the voltage control section switches the electrical potential difference from a first electrical potential difference to a second electrical potential difference larger than the first electrical potential difference.
摘要:
A solid-state image sensor having a pixel array area where a plurality of pixels are arranged, and a peripheral circuit area, each pixel including a photoelectric converter, and a transfer gate electrode which forms a channel for transferring charges generated by the photoelectric converter to a floating diffusion portion, comprises a first insulating film arranged to cover an upper surface of the photoelectric converter, at least part of an upper surface of the transfer gate electrode, and a side surface of the transfer gate electrode, a second insulating film arranged on a gate electrode of a MOS transistor arranged in the peripheral circuit area, and an interlayer insulating film arranged in contact with the first insulating film and the second insulating film.
摘要:
To provide an electrostatic actuator, etc. which is capable of miniaturizing the size, and preventing moisture, etc. from entering a gap in an effective manner. An electrostatic actuator includes an electrode substrate 10 having individual electrodes 12 as fixed electrodes, and a cavity substrate 20 having diaphragms 22 as movable electrodes which are disposed so as to be opposed to the fixed electrodes 12 with a predetermined distance, and operated due to an electrostatic force occurring between the cavity substrate 20 and the individual electrodes 12. Sealing portions 26a are formed on one of the electrode substrate 10 and the cavity substrate 20, each of the sealing portions 26a has a plurality of sealing layers (a TEOS layer 25a, a moisture permeation preventing layer 25b) laminated one another, and each of the sealing layers is made of a sealing material 25 for isolating a space formed between the individual electrode 12 and the diaphragm 22.
摘要:
A droplet jet head includes a nozzle substrate having a plurality of nozzle holes; a cavity substrate having recesses whose bottoms serve as diaphragms, and the recesses serving as ejection chambers; an electrode substrate having separate electrodes opposed to the diaphragms; a reservoir substrate having a recess serving as a common droplet chamber for supplying droplets to the ejection chambers, through holes for transferring the droplets from the common droplet chamber to the ejection chambers, and nozzle communicating holes for transferring the droplets from the ejection chambers to the nozzle holes; and a driver IC that supplies a driving signal to the separate electrodes. The cavity substrate has a first hole, and the reservoir substrate has a second hole. The first hole and the second hole communicate with each other to form a housing. The driver IC is housed in the housing.
摘要:
The invention provides a method of producing a through-hole, a substrate used to produce a through-hole, a substrate having a through-hole, and a device using such a through-hole or a substrate having such a through-hole, which are characterized in that: a through-hole can be produced only by etching a silicon substrate from its back side; the opening length d can be precisely controlled to a desired value regardless of the variations in the silicon wafer thickness, and the orientation flat angle, and also regardless of the type of a silicon crystal orientation-dependent anisotropic etchant employed; high productivity, high production reproducibility, and ease of production can be achieved; a high-liberality can be achieved in the shape of the opening end even if temperature treatment is performed at a high temperature for a long time; and a high-precision through-hole can be produced regardless of the shape of a device formed on the surface of a substrate.
摘要:
A variable wavelength interference filter includes a stationary substrate, a movable substrate bonded to the stationary substrate, a stationary reflecting film provided to the stationary substrate, a movable reflecting film provided to the movable substrate, and opposed to the stationary reflecting film across an inter-reflecting film gap, and an electrostatic actuator adapted to vary the gap amount of the inter-reflecting film gap by deflecting the movable substrate toward the stationary substrate, a releasing space to which air between the stationary reflecting film and the movable reflecting film moves when the gap amount of the inter-reflecting film gap is reduced is provided between the stationary substrate and the movable substrate, and assuming that a spring constant of the movable substrate is kv, and a spring constant of the air existing in the inter-reflecting film gap is kair, kv≧20×kair is satisfied.