27 results about "Thermal Head" patented technology

This thermal head comprises a substrate, a heat-generating part, a plurality of drive ICs, a connection electrode, an insulating coating film, and a protective film. The heat-generating part is positioned on the substrate. The plurality of drive ICs are positioned on the substrate and arranged in the main scanning direction. The connection electrode is positioned on the substrate and connects adjacent drive ICs. The coating film is positioned on the heat-generating part and the connection electrode. The protective film is positioned on the coating film and faces a recording medium. The protective film has a specific resistance lower than that of the coating film. A contact part in contact with the connection electrode is provided at an end part of the protective film positioned between the heat-generating part and the drive ICs in a plan view.

The thermal head has a plurality of heat generating sections (5), a first conductor layer (15), and a second conductor layer (17). The plurality of heat generating units (5) are arranged in a first direction (D1). The resistivity of the second conductor layer (17) is lower than that of the first conductor layer (15). The first conductor layer (15) has a plurality of leads (19) and a specific wiring (21). The plurality of leads (19) extend in a second direction (D2) intersecting the first direction (D1) from the plurality of heat generating parts (5). The specific wiring (21) connects the plurality of leads (19) to each other. The second conductor layer (17) has a main portion (23) that covers at least a portion of the specific wiring (21). The specific wiring (21) overlaps a part of the length of the main portion (23) in the second direction (D2). At least one of the side edge portions on both sides of the second direction (D2) of the specific wiring (21) changes the position in the second direction (D2) in accordance with the position in the first direction (D1) in a region overlapping the main portion (23).

A control device includes: a print data acquisition unit configured to acquire print data, which is formed of a plurality of lines and indicates a coloration state of each pixel included in the plurality of lines; a head drive unit configured to supply, to a thermal head formed of a plurality of heating elements each corresponding to the pixel, an electric current for heating the thermal head for each pixel; a motor drive unit configured to supply, to a motor configured to move heat-sensitive paper relative to the thermal head, a drive current for step driving the motor for each line; a speed control unit configured to control, based on the number of colored pixels of a determination subject line among yet-to-be-printed lines of the print data, a relative moving speed of the heat-sensitive paper moved by the motor; and a preheating control unit configured to cause the head drive unit to output, when the determination subject line is a specific line being a line in which the number of colored pixels of the determination subject line exceeds a predetermined value, a preheating current being an electric current for heating the thermal head to such a degree as to prevent coloring of the heat-sensitive paper by a time the specific line is printed.

To provide a printer and a control method capable of quickly printing even when producing high-quality printed matter. [Solution] The printer includes a thermal head, a platen roller, a motor, and a CPU. The thermal head prints on a medium. The platen roller transports the medium toward the thermal head. The motor drives the platen roller by rotating. The CPU switches the motor control mode between a first mode and a second mode. The acceleration / deceleration time in the second mode is longer than the acceleration / deceleration time in the first mode. The amount of jerk change in the second mode is smaller than the amount of jerk change in the first mode.

To provide an image forming apparatus capable of confirming the trouble of a heating element during printing operation.SOLUTION: An image forming apparatus according to an embodiment includes a conveyance motor, a thermal head, a head drive unit, a check circuit, and a processor. The conveyance motor conveys the print medium to a print position. The thermal head includes a plurality of heating elements arranged in a printing line orthogonal to a conveying direction of the printing medium at a printing position. The head drive unit causes each heating element to generate heat according to image data for each print line of the print image. The check circuit checks a malfunction for each heating element. The processor is configured or programmed to execute the check for the operation fault using the check circuit for the heating element determined to require the check for the operation fault by the priority setting for each image region in the print image.SELECTED DRAWING: Figure 1

Disclosed herein is a test handler and corresponding test system for thermally controlling a plurality of devices under test (DUTs) by use of one or more thermal heads, while they are being tested in parallel. In some embodiments, a thermal head comprises a heat exchanger assembly, a piston block assembly, and a match plate assembly. In some embodiments, each individual DUT may have its temperature controlled independently by components, such as individual heaters, within the thermal head. The test handler may comprise a T-tray loading area, a temperature pre-soak area, a testing area, a temperature de-soak area, and a JEDEC tray loading area. In some embodiments the pick and place mechanism in the T-tray loading area may change the pitch or grid location of DUTs picked from a transport medium on the fly to a different pitch or location grid to match the socket placement on the tester load board.

Disclosed herein is a test handler and corresponding test system for thermally controlling a plurality of devices under test (DUTs) by use of one or more thermal heads, while they are being tested in parallel. In some embodiments, a thermal head comprises a heat exchanger assembly, a piston block assembly, and a match plate assembly. In some embodiments, each individual DUT may have its temperature controlled independently by components, such as individual heaters, within the thermal head. The test handler may comprise a T-tray loading area, a temperature pre-soak area, a testing area, a temperature de-soak area, and a JEDEC tray loading area. In some embodiments the pick and place mechanism in the T-tray loading area may change the pitch or grid location of DUTs picked from a transport medium on the fly to a different pitch or location grid to match the socket placement on the tester load board.

This thermal head comprises a substrate, an electrode, a pair of protective layers, a drive IC, and a sealing material. The electrode is positioned on the substrate. The pair of protective layers are positioned on the substrate and the electrode and face each other in the sub-scanning direction. The drive IC is positioned between the pair of protective layers and is electrically connected to the electrode. The sealing material is positioned between the pair of protective layers and seals the drive IC. The protective layers each have a first portion positioned on the substrate and the electrode, and a second portion positioned on the first portion.

A thermal head according to the present invention comprises a head base body and a flexible wiring board. The head base body has a first terminal. The flexible wiring board faces the head base body, and has a second terminal ultrasonically welded to the first terminal. The first terminal has a base layer and a surface layer that is positioned between the base layer and the second terminal.

This thermal head comprises a substrate and a connector that fits to an end part of the substrate. The connector has a plurality of connector pins which are arranged to be spaced apart in a first direction of the substrate and which fit to the end part of the substrate, and a housing which houses the plurality of connector pins. The housing has a side wall that is positioned further outward in the first direction than the plurality of connector pins and that faces a lower surface of the substrate at an end face, and an arm part that rises up from an end surface of the side wall in a region other than a region facing the lower surface of the substrate, and that extends along an upper surface of the substrate in a second direction which intersects the first direction.

The utility model provides a heat dissipation pressure head test calibration device which comprises a shell, a control assembly and a plurality of groups of test assemblies, and the control assembly and the test assemblies are arranged in the shell. Each group of test assembly comprises a heat dissipation pressure head mounting block, a heating block, a lifting structure, a temperature sensing probe, a display screen and a temperature adjusting knob which are mutually independent; a plurality of test holes in one-to-one correspondence with the heating blocks are formed in the top of the shell, and the heat dissipation pressure head mounting blocks are detachably and correspondingly mounted at the test holes; the lifting structure is arranged in the shell, the heating block is arranged on the lifting structure, the lifting structure is used for driving the heating block to ascend and descend, and the heat dissipation pressing head can abut against the heating block when installed on the heat dissipation pressing head installation block; the temperature sensing probe is arranged on the heating block, and when the heat dissipation pressing head abuts against the heating block, the temperature sensing probe makes contact with the heat dissipation pressing head. The motor control panel, the temperature sensing probe, the heating block, the display screen and the temperature adjusting knob are electrically connected with the main control panel; and the lifting structure is electrically connected with the motor control panel.

A printing apparatus, a printing control method, and a storage medium are provided. The control device (40) of the printing apparatus (10) sets a set of adhesion countermeasure target dot groups that includes at least the second dot group when the following conditions are met: the proportion of printing areas with a first concentration or higher in the first dot group is a first threshold or higher; and the comparison result between the printing areas with a first concentration or higher in the first dot group and the printing areas with a second concentration lower than the first concentration in the subsequent second dot group is a second threshold or higher. In addition to the first power-on control period (TA) for printing on the printed medium (20), the control device sets a second power-on control period (TB) for adjusting the temperature change of the thermal head (30) without printing on the printed medium, and generates countermeasure data for energizing at least a portion of a plurality of heating elements during the second power-on control period of each dot group in the set of adhesion countermeasure target dot groups.

To improve the noise immunity of the thermal head in printers. [Solution] A printer according to one aspect of the present invention comprises a thermal head having a heating section having a plurality of heating elements arranged in a line, a drive circuit that drives the heating section to control whether or not to energize each heating element of the heating section during the energizing period based on a signal indicating the energizing period of the heating section during the printing period of one line, and a control unit that controls the drive circuit to perform a stop process to reset the drive circuit by stopping the supply of an operating voltage for operating the drive circuit for a predetermined period.

According to various aspects of the present disclosure, a semiconductor testing equipment may include a thermal head assembly having a body with a recess that is unobstructed and designed to fit over a die on the semiconductor package. A sealing member on the thermal head assembly engages a landing area on the semiconductor package to form a sealed chamber. The semiconductor package may be uniformly loaded by introducing a gas and incrementally increasing the gas pressure in the sealed chamber and increasing mechanical load on the sealing member onto the landing area to prevent leakage. Once the sealed chamber is fully sealed, the combined internal pressure from the circulating gas and a sealing perimeter load enables the proper socketing of the semiconductor package. Thereafter, the gas may be replaced with a circulating liquid refrigerant to remove the heat generated by the die during the testing of the semiconductor package.

This thermal head comprises: a substrate; a heat storage layer; a heat generation part; and a covering layer. The heat storage layer is positioned above the substrate. The heat generation part is positioned above the heat storage layer. The covering layer is positioned above the heat storage layer and the heat generation part and faces a recording medium. The covering layer has: a first region positioned above the heat generation part; a second region adjacent to the first region in a sub-scanning direction; and a third region positioned on the opposite side of the second region from the first region. The surface roughness of the second region is greater than that of the first region. The surface roughness of the third region is greater than that of the second region.

This recording device includes: a first unit that transfers a first pattern from a first film to a recording medium by means of a first thermal head; and a second unit that transfers a second pattern from a second film to the recording medium by means of a second thermal head. The transfer characteristics of the first unit and the transfer characteristics of the second unit are different from each other; and / or the structure of the first unit and the structure of the second unit are different from each other.

A thermal head includes a substrate, a bonding material, an electrically conductive member, and an aluminum electrode. The bonding material is positioned on the substrate and contains gold and tin. The electrically conductive member is positioned on the bonding material. The aluminum electrode is positioned on the substrate and electrically connected to the electrically conductive member via the bonding material.

A thermal head according to the present invention comprises a substrate, an electrode, a first metal layer, and a second metal layer. The electrode is positioned on the substrate. The first metal layer is positioned on the electrode, and has a tapered shape that widens as the distance from the substrate increases. The second metal layer covers the first metal layer. The first metal layer has a first surface that is positioned so as to be separated from the electrode and the substrate, and a second surface that is positioned between the substrate and the first surface and is inclined with respect to the thickness direction of the first metal layer. The second metal layer is positioned so as to extend from the first surface to the second surface.

The thermal head according to this disclosure has a plurality of heating elements arranged in a first direction and at least one wiring. The wiring has a plurality of first parts and at least one second part. The first parts extend in a first direction. The second parts extend in a second direction intersecting the first direction and connect two first parts that are adjacent in the first direction.

A printer according to one embodiment of the present invention comprises: a thermal head including a heat generation unit having a plurality of heat generation elements arranged in a line formation, and a drive circuit that drives the heat generation unit so as to control whether or not to energize each heat generation element of the heat generation unit in an energization period on the basis of a signal indicating the energization period of the heat generation unit in a printing period of one line; and a control unit that sets a voltage supply period which is a period for supplying a heat generation unit voltage to the thermal head according to the energization period, the heat generation unit voltage being the voltage for energizing the heat generation unit.

To provide a thermal printer capable of easily preventing the occurrence of a density difference in the width direction of a thermal film.SOLUTION: A thermal printer according to an aspect of the present disclosure is a thermal printer that performs printing by heating a thermal head, the thermal printer including a control unit that controls heating of the thermal head based on a predetermined print request to print a print content related to the print request, in which the control unit increases or decreases a heating amount of the thermal head with respect to a heating amount based on the print request in order to reduce a density difference in a width direction of a medium.SELECTED DRAWING: Figure 3

The invention discloses a thermal transfer coding machine which comprises a shell assembly, a machine core assembly moving module and a machine core rotating and pressing module are arranged in the middle of the shell assembly, a plurality of thermal transfer ribbon guiding shaft assemblies are arranged in the shell assembly, and a thermal transfer ribbon recycling driving module is arranged in the shell assembly. A thermal head piece quick-release machine module is arranged below the machine core assembly moving module, a thermal transfer ribbon rotation sensor is arranged above the machine core assembly moving module, the machine core rotation pressing module is connected with a machine core assembly overturning linkage module, and the machine core assembly moving module is connected with a machine core module moving driving system. A thermal transfer ribbon supply module and a thermal transfer ribbon recovery rotating shaft are further arranged between the multiple machine core assembly moving modules, by integrating the machine core assembly moving modules, the machine core rotating and pressing module and the multiple thermal transfer ribbon guiding and adjusting structures, accurate movement of the machine core and stable transmission of the thermal transfer ribbon are achieved, air source driving is not needed, the adaptability and stability of equipment are improved, and the service life of the equipment is prolonged.

A thermal head (X1) has a substrate (7), electrodes (17, 19), and a resistive layer (15). The electrodes (17, 19) are located above the substrate (7) and extend along a first direction (D1) of the substrate (7) in plan view. The resistive layer (15) is located above the substrate (7) and above the electrodes (17, 19). The electrodes (17, 19) have first electrodes (17c) and second electrodes (19) that are side by side at given intervals in a second direction (D2) that intersects the first direction (D1). At least one of the first electrodes (17c) and the second electrodes (19) has a top surface (19a) that is located below the resistive layer (15), and a central portion of the second direction (D2) is more protruding than end portions of the second direction (D2).

A printer according to one embodiment of the present invention comprises: a thermal head that has a heat generation unit having a plurality of heat generation elements arrayed in a line, and a drive circuit that drives the heat generation unit so as to control, on the basis of a signal which indicates an energization period for the heat generation unit in a printing period of one line, whether or not to energize the respective heat generation elements of the heat generation unit during the energization period; and a control unit that performs control so as to execute stop processing for stopping supply of an operating voltage used for operating the drive circuit for a prescribed period to reset the drive circuit.

In a battery-powered printing device, the system performs divided printing with an appropriate number of divisions depending on the situation. [Solution] The printing apparatus includes a thermal head having multiple heating elements, and a control unit that divides the multiple heating elements into two or more groups and controls heating on a group basis based on the measured voltage of a battery supplied to the thermal head and the print density of the print data. The control unit divides the multiple heating elements into more groups than when the voltage is above the first threshold and the print density is above the second threshold, and also than when the voltage is below the first threshold and the print density is below the second threshold.

A thermal head according to the present invention comprises a substrate, an electrode, a first metal layer, and a second metal layer. The electrode is positioned on the substrate. The first metal layer is positioned on the substrate and the electrode, and covers the electrode. The second metal layer has a first portion that is positioned on the first metal layer, and a second portion that is positioned between the substrate and the first metal layer.

This reduces variations in print density even when the printer's ambient temperature fluctuates. [Solution] A printer according to one aspect of the present invention includes a temperature sensor for detecting the ambient temperature of the printer, a thermal head for printing information on a printing medium, a storage unit for storing first setting information and second setting information corresponding to the case when the ambient temperature is lower than the first setting information as setting information related to print density, and a control unit for applying either the first setting information or the second setting information to printing by the thermal head. The threshold values ​​for ambient temperature are different: a first threshold for applying the first setting information and a second threshold for applying the second setting information.