摘要:
A substrate for a hybrid IC comprises a substrate (1), a thick film resistor (3) containing glass, formed on the substrate (1), and a thick film conductor (2) at the terminal of the thick film resistor (3). A means for preventing diffusion of the glass from the thick film resistor (3) into the thick film conductor (2) is provided between the thick film resistor (3). This means may be a compound added to the paste used for forming the thick film resistor (3) or may be a paste of metallic powder applied to the terminal of the thick film conductor (2). The thick film conductor (2) has a stable resistance as a thick film microresistor and may be applied to various uses such as cellular radio communication system.
摘要:
A gas detecting apparatus is disclosed in which detection outputs from a plurality of semiconductor gas detecting elements (2011, 2012, 2013) different in gas detection characteristic from each other and previously-obtained char acteristic values of the semiconductor gas detecting elements for a mixed gas are subjected to operational processing to detect one or more specified constituent gases contained in the mixed gas, and in which when the specified constituent gas is detected, the detection information Is announced by some means (2081,2082), and also the supply of gas is stopped (207) or a supply gas is diluted.
摘要:
A dew sensor of direct current type and resistance- lowering type with increasing humidity for quick and sharp detection of dewing is provided, which comprises a pair of counterposed electrodes, humidity-sensitive layer of insulating porous metal oxide with a porosity of 20 to 60% provided on and between the counterposed electrodes, and an organic polymer coating layer having a thickness of 0.05 to 2 µm provided on the humidity-sensitive layer.
摘要:
An air-fuel ratio in the lean range is detected by measuring a limiting current when oxygen diffused to a first electrode (123; 2; 51) is pumped to a second electrode (124; 3; 52) via a solid electrolyte. A stoichiometric air-fuel ratio is detected from electromotive force between first (123; 2; 51) and third electrodes (126; 6; 53) when oxygen is pumped from the first electrode (123; 2; 51) to the third electrode (126; 6; 53). The invention is characterized by use of such three electrodes. Furthermore, an air-fuel ratio in a rich range is detected by either sending oxygen from the first electrode (123; 2; 51) to the third electrode (126; 6; 53) via the solid electrolyte (127; 1; 50) and measuring a current when the electromotive force between the first and third electrodes is controlled to be constant, or measuring a current when the air-fuel ratio range is judged as "rich" from this electromotive force and the polarity of the impressed voltage at the time of lean detection is reversed.
摘要:
A substrate for a hybrid IC comprises a substrate (1), a thick film resistor (3) containing glass, formed on the substrate (1), and a thick film conductor (2) at the terminal of the thick film resistor (3). A means for preventing diffusion of the glass from the thick film resistor (3) into the thick film conductor (2) is provided between the thick film resistor (3). This means may be a compound added to the paste used for forming the thick film resistor (3) or may be a paste of metallic powder applied to the terminal of the thick film conductor (2). The thick film conductor (2) has a stable resistance as a thick film microresistor and may be applied to various uses such as cellular radio communication system.
摘要:
A dew sensor of direct current type and resistance- lowering type with increasing humidity for quick and sharp detection of dewing is provided, which comprises a pair of counterposed electrodes, humidity-sensitive layer of insulating porous metal oxide with a porosity of 20 to 60% provided on and between the counterposed electrodes, and an organic polymer coating layer having a thickness of 0.05 to 2 µm provided on the humidity-sensitive layer.