Abstract: A device includes a work piece including a metal bump; and a dielectric layer having a portion directly over the metal bump. The metal bump and a surface of the portion of the dielectric layer form an interface. A metal finish is formed over and contacting the metal bump. The metal finish extends from over the dielectric layer to below the interface.

Abstract: The present invention provides a method of detecting the transistor mismatch in a SRAM cell. The SRAM cell comprises two pass-gate transistors and a bi-stable circuit including two pull up transistors and two pull down transistors. The method comprises: providing two measuring transistors, whose gates are connected to a second word line, sources are connected to the outputs of the bi-stable circuit respectively and drains are connected to two measuring terminals respectively; turning on the measuring transistors and turning off the pass-gate transistors; detecting the voltage-current curve of the two pull down transistors and the two pull up transistors through the measuring transistors at the measuring terminals so as to detect the transistor mismatch in the SRAM cell.

Abstract: A tattoo chair, comprises a backrest (1), a seat (2), a brace (3) for supporting the said seat (2), and a base (4) for allowing the chair to stand stably, characterized in that: the lower end of the said backrest (1) is rotatablely attached to the inner side of the said seat (2); a supporting fixed plate (5) is provided under the bottom surface of the said seat (2); at least one fixed gear rack (10) is mounted from top to bottom on the rear surface of the said backrest (1); a supporting rod (50) is provided on the said supporting fixed plate (5); one end of the said supporting rod (50) is rotatablely attached to the said supporting fixed plate (5), and the other end is put into one of grooves of the said gear rack (10) on the rear surface of the said backrest (1). The present utility model facilitates the person to be tattooed to adopt different poses, so that the tattoo artist can work more easily; further, when getting tattooed, the person will feel free and easy from any discomfort in the various poses.

Abstract: A control circuit and method for a PWM voltage regulator combine a high frequency feedback technique with a constant on-time or constant off-time topology to improve the transient performance of the PWM voltage regulator. The PWM voltage regulator generates a constant on-time or constant off-time depending on a current for generating a PWM signal, and dynamically adjusts the current according to the droop-voltage at its output during a transient period. Therefore, the PWM voltage regulator boosts its transient response without any threshold for load step detection.

Abstract: A device includes a work piece including a metal bump; and a dielectric layer having a portion directly over the metal bump. The metal bump and a surface of the portion of the dielectric layer form an interface. A metal finish is formed over and contacting the metal bump. The metal finish extends from over the dielectric layer to below the interface.

Abstract: A tattoo chair includes a backrest, a seat, a brace for supporting the seat, and a base for allowing the chair to stand stably. The lower end of the backrest is rotatably attached to the inner side of the seat. A supporting fixed plate is provided under the bottom surface of the seat. At least one fixed gear rack is mounted from top to bottom on the rear surface of the backrest. A supporting rod is provided on the supporting fixed plate. One end of the supporting rod is rotatably attached to the supporting fixed plate, and the other end is put into one of grooves of the gear rack on the rear surface of the backrest.

Abstract: A projection device and an automatic projection calibration method thereof are disclosed. When the projection device boots up, an image pattern corresponding to a display data is projected through a projecting unit. The image pattern is sensed through an image sensor to obtain information of the image pattern. The information of the image pattern is compared with information of a previous image pattern through a processing unit to determine whether to execute an automatic calibration procedure. When the processing unit executes the automatic calibration procedure, a calibration pattern is projected through the projecting unit. The calibration pattern is sensed through the image sensor to obtain information of the calibration pattern. A calibration driving procedure is executed through the processing unit to convert imaging coordinates of the calibration pattern sensed through the image sensor into projecting coordinates of the projection device, so as to establish a coordinate conversion table.

Abstract: A control circuit of a power converter includes: a periodical signal generating circuit for generating a first filtered signal, a second filtered signal, and a periodical signal according to a second feedback signal corresponding to an inductor voltage of the power converter; a comparison circuit for comparing the error signal and the periodical signal to generate a comparison signal; a control signal generating circuit for generating a control signal to control power switches of the power converter according to the comparison signal; and a signal adjusting circuit. During a load transient period at which the load of the power converter changes from a relatively light load to a relatively heavy load, when a lower switch of the power converter is turned on, the signal adjusting circuit reduces an output current of the periodical signal generating circuit to increase a loop response of the power converter.

Abstract: A control device is disclosed, having a signal generating circuit and a mode decision circuit. The signal generating circuit is used to generate a first control signal and a second control signal according to an output voltage of a buck-boost converter. The first control signal is used to conduct a first switch and a second switch of the buck-boost converter. The second control signal is used to conduct a third switch and a fourth switch of the buck-boost converter. When the duty cycle of the first control signal is greater than a first predetermined value and the duty cycle of the second control signal is less than a second predetermined value, the mode decision circuit configures the signal generating circuit to generate the first control signal and the second control signal with substantially the same duty cycle.

Abstract: A control circuit and method for a buck-boost switching converter provides a mode determinative circuit to judge the timing of an operation under buck-boost mode based on the input voltage, the output voltage and the mode reference voltage; meanwhile, the control signal generating circuit is provided to turn off the second switch during the first switch being on, turn on the second switch during the first switch being off, turn off the fourth switch during the third switch being on, turn on the fourth switch during the third switch being off, wherein the duty cycles of the first and third switches are identical, and duty cycles of the second and fourth switches are identical.

Abstract: There is described an isocyanate-based polymer foam having improved anti-yellowing properties. The foam produced from a formulation comprising an isocyanate, a blowing agent, a first active hydrogen-containing compound and a second active hydrogen-containing compound different than the first active hydrogen-containing compound. The second active hydrogen-containing compound comprises an active hydrogen-containing phosphite compound. A process for producing such a foam is also described.

Abstract: The invention relates to an audio plug structure improvement, particularly to the audio plug coinciding with the standard specification of a 2.5 mm, 3.5 mm or 6.5 mm audio plug. The audio plug uses the composite structure of the conductive portion and insulating portion and the design of angle rotation to obtain power or signal without affecting normal use of the speaker of the electronic product. The ON/OFF switch is formed as long as the audio plug is rotated at a predetermined angle. Moreover, a predetermined electronic element can be arranged at the internal or external of the audio plug and the power or signal is obtained by the audio jack for having other functions except for transmitting the audio signal.

Abstract: A memory device is described that includes a three-dimensional array of memory cells having a plurality of levels of memory cells accessed by a plurality of word lines, and a plurality of bit lines. Control circuitry is coupled to the plurality of word lines and the plurality of bit lines. The control circuitry is adapted for programming a selected memory cell in a selected level of the array and on a selected word line, by hot carrier generation assisted FN tunneling, while inhibiting disturb in unselected memory cells in unselected levels and in the selected level and on unselected word lines by self-boosting.

Abstract: A polyacetylenes and application thereof. The polyacetylenes is isolated from an extract of the sporophores of Antrodia Cinnamomea and has a function of inhibiting the production of nitric oxide. Therefore, the polyacetylenes can be used for preparing a pharmaceutical composition for anti-inflammation. The present invention also teaches the representative metabolites of the sporophores of Antrodia Cinnamomea, which can be used to evaluate the quality thereof.

Abstract: The invention relates to an audio plug structure improvement, particularly to the audio plug coinciding with the standard specification of a 2.5 mm, 3.5 mm or 6.5 mm audio plug. The audio plug uses the composite structure of the conductive portion and insulating portion and the design of angle rotation to obtain power or signal without affecting normal use of the speaker of the electronic product. The ON/OFF switch is formed as long as the audio plug is rotated at a predetermined angle. Moreover, a predetermined electronic element can be arranged at the internal or external of the audio plug and the power or signal is obtained by the audio jack for having other functions except for transmitting the audio signal.

Abstract: An interference tolerant capacitive touch sensor readout circuit having improved power and area efficiency is disclosed. Interference rejection for the capacitive touch sensing system is realized by transferring charge between a capacitive touch sensor and the readout circuit at frequencies outside bands where a level of interference is unacceptable. Improved power and area efficient come from the simplicity of the readout circuit which comprises a switched-capacitor integrator, a comparator, a digital accumulator and number of switches for driving a touch sensor and a capacitive feedback loop. The readout circuit is capable of interfacing with both self and mutual capacitance sensor to achieve compatibility with a larger collection of sensors and provides additional sensing and diagnostic functionalities.

Abstract: A method for operating an electronic publishing system to display one or more advertisements, comprising the steps of: receiving user content to be displayed on the electronic publishing system; determining the one or more advertisements as a function of the user content and the user's behavior on the electronic publishing system; displaying the user content on the electronic publishing system in a specific format conducive for display of such user content; and displaying the determined advertisements on the electronic publishing system using the specific format to resemble the user content.

Abstract: A coaxial connector and a method for providing a normal force in an electrical connector. The coaxial connector includes a first terminal having a first contact portion and a second terminal having a second contact portion. Before an external device is inserted into the coaxial connector for the first time, the first contact portion and the second contact portion form a first relative positional relationship. After the external device is disengaged from the coaxial connector, the second contact portion urges against the first contact portion upwards to form a third relative positional relationship. The third relative positional relationship is different from the first relative positional relationship.

Abstract: The invention provides a touch module and an operation method thereof. The operation method of touch module includes following steps: detecting a touch point; judging whether the touch point is normal touching according to a detected result of the touch point; when the touch point is abnormal touching, reducing the intensity of an infrared laser of the touch module; and when the touch point is normal touching, judging out the position of the touch point. By using the operation method of touch module, it can reduce or avoid the injury of the infrared laser on the vulnerable portions of human body as abnormal touching.