摘要:
A wafer grinding method is disclosed, in which only a region, corresponding to a device formation region, of the back side of a wafer is ground in rough grinding conducted first, while the part surrounding the region thus ground is left unground as an annular projected part, to prevent the outer peripheral edge of the wafer from becoming knife edge-like in shape. In the subsequent finish grinding, the annular projected part is ground and, further, the whole area of the back side of the wafer is ground to be flat. Chippings of the outer peripheral edge may be generated only during the finish grinding, whereby the chippings are prevented from occurring or limited to minute ones.
摘要:
A hard disk A has is constructed to include: a disk 10 in which copy protection information is written in advance in a surface shape such as slits or corrugations in a pre-recording region 13 over a substrate 11 other than a data storage region 12; a pickup unit 20 for reading the copy protection information on the disk 10; and a copy protect unit 42 made operative, when it copies the encrypted data over the data storage region 12 of the disk 10 in response to the demand of the external device B: to perform an authentication with reference to the copy protection information read by the pickup unit 20; and to output the information on the secret key, as contained in the copy protection information, to the external device B which has been recognized to be correct by that authentication.
摘要:
A termite-controlling layer is formed with a particulate hardenable termite-controlling composition which comprises a hydraulic material, a soil and/or a termiticide, on an area to be treated. The soil may comprise a gravel component and a fine grain component, and the weight ratio of the gravel component relative to the fine grain component may be about 99.9/0.1 to 5/95. The fine grain component may comprise a sand component and a dirt component, and the weight ratio of the sand component relative to the dirt component may be about 99/1 to 10/90. The hardenable termite-controlling composition may further comprise a biocidal component, a deodorant component, or a humidity-conditioning component. In a termite-controlling process, the termite-controlling layer may be formed by laying the hardenable termite-controlling composition on the area to be treated, and applying at least a water to the laid hardenable termite-controlling composition. The use of the composition can effectively control termites in an underfloor area of a wooden building or a park.
摘要:
A DVD recorder includes a control portion operating in response to a signal received from a monitor portion of a hard disk device and indicating how many times writing a data signal is retried. If the current retry count is at least a predetermined number of times the control portion turns on a cooling fan device. If the current retry count is smaller than the predetermined number of times the control portion turns off the cooling fan device. As a signal output from the hard disk device can be utilized to control the cooling fan device, the apparatus can be less costly than that provided with a separate, dedicated temperature sensor, as conventional.
摘要:
An infrared detection film of which a dielectric constant is changed according to a temperature change is characterized in that the infrared detection film has a composition expressed by Ba(Ti1-xSnx)O3 (0
摘要翻译:介电常数根据温度变化而变化的红外线检测膜的特征在于,红外线检测膜具有由Ba(Ti 1-x Sn Sn x x)/ (O
摘要:
A light shield film is formed above a photodiode that converts received light to an electric signal, with an insulating film sandwiched therebetween. An aperture is formed in the cutoff film so as to cut off light of at least a predetermined wavelength in a wavelength range of light to which the photodiode is sensitive, and enable light below the predetermined wavelength to pass through.
摘要:
When measuring body fat through use of a TV remote control unit, the body of a person to be subjected to body fat measurement is brought into contact with current application electrodes and voltage measurement electrodes, which are subjected to application of a sinusoidal waveform signal and have a connection configuration of substantially two-electrode type. When a match has arisen between varying voltages developing between the voltage measurement electrodes a predetermined number of times, the voltage is taken as a result of measurement of bio-impedance.
摘要:
A remote controller for a television having a function of measuring a body fat includes a physical data setting section for registering a physical data including the weight and the height of a user and an impedance measuring circuit for measuring the impedance across the body to determine the body fat of the user. For determining the body fat of a user to be examined, the body fat meter equipped television remote controller registers the physical data including the weight and the height of the user, measures the impedance across the body of the user, and transmits to a television receiver a body fat measurement signal which carries the physical data and the impedance measurement. The television receiver calculates the body fat of the user from the physical data and the impedance measurement carried on the body fat measurement signal and displays a resultant calculation of the body fat on its display provided for displaying images of the existing television broadcasting.
摘要:
An electronic dust collector has a discharge line spaced parallel to a dust collector electrode. Discharge line fixing parts at the ends of the discharge line are bent outward to increase the distance from the dust collector electrode, thereby reducing the likelihood of abnormal discharge between the discharge line fixing parts and the dust collector electrode. In another embodiment, the discharge line and the discharge line fixing parts remain in alignment, and the ends of the dust collector electrode facing the line fixing parts are bent outward. The electronic dust collector may be part of an air conditioner. The dust collector electrode has a heater therein for self cleaning.
摘要:
A programmable electronic sewing machine includes means for delivering a plurality of option output signals for controlling an optional device optionally provided for the sewing machine, a condition table storing sequentially arranged data of conditions including operating states of a plurality of operating sections of the sewing machine and a plurality of conditions including ON-states and OFF-states of the plurality of option output signals respectively, and programming means for selecting and setting at least one of the conditions stored in the condition table, thereby being capable of setting a condition for delivering each option output signal.