Abstract:
A pressure-sensing device (10) and a process for fabricating it is disclosed. In a preferred embodiment, a sacrificial oxide layer (11 ) is first formed onto a silicon substrate (30). A bottom polymer film (14) is then formed on oxide layer (11 ). Conductive elements including electrodes (12a, 12b) and/or contact pads (18a, 18b) are formed on the bottom polymer film (14). A graphene sheet (20) is deposited to electrically connect the electrodes (12a, 12b). A top polymer film (16) is then laid on top so that the conductive elements (12, 18) and graphene (20) are sandwiched and encapsulated in between the top and bottom polymer layers (14, 16) chosen from polyimide or poly dimethylsiloxane (PDMS). Openings (19a, 19b) on top polymer layer (16) may optionally be provided to allow for interconnection of the contact pads (18a, 18b). The sacrificial oxide (11 ) is then etched to release the completed device (10) from the substrate (30) which may be reused.
Abstract:
The present invention related to a secured portable power source system (10) which comprises a rechargeable battery (11), an input connector (12), an output connector (14), a controller (15), a circuit breaker unit (16), a key authenticator module (18) and a wireless authenticator module (19). The said secured portable power source system (10) further comprises a method that only charges designated manufacturer portable electronic device through an interface and method thereof.
Abstract:
Disclosed herein is an ion-sensitive field-effect transistor (ISFET) (100) having nanostructures (109) for sensing ions and measuring ion concentration in solutions. In general, the base layer (101) at the sensing region of the ISFET (100) is etched to form the nanostructures (109). Each of the nanostructures (109) has a diameter of less than 100nm, and the nanostructures (109) have a distance of less than 100nm from each other. The nanostructures (109) are nanopillars with cylindrical shape, needle-like shape, or a combination thereof. Due to all these particular features, the surface area of the ISFET (100) that is exposed to ions is increased, and therefore the sensitivity and efficiency of the ISFET (100) are improved. Also disclosed herein is a fabrication method thereof.
Abstract:
The present invention discloses a system (1) and method (2) for accessing a network that is capable of controlling and securing user access into the network. The system (1) and method (2) discloses that the user (11) provides secured information to the server (12) in a message in order for the server (12) to identify and decrypt the secured information based on the access information and thereafter provides access into the network to the user (11) when the secured information is decrypted.
Abstract:
The present invention relates to a system for detecting and measuring a constricted region of a blood vessel from a medical image, characterized by a width measurement unit (42, 51 ) for measuring the width values of the blood vessel, a diameter calculation unit (43, 53) for determining the diameter of the blood vessel based on the measured width values, a comparison unit (45, 54) for computing the diameter difference in percentage as compared to a maximum diameter, and a constriction length measurement unit (47, 55) for determining the length of the constricted region. The present invention further relates to a method measuring the width of the blood vessel at a plurality of points by a width measuring unit (42, 51 ), obtaining diameter of a single or a group of the plurality of points by a diameter calculation unit (43, 53) based on the widths obtained by the width measuring unit (42, 51), and computing the differences in percentage of the diameter from a maximum diameter by a comparison unit (54).
Abstract:
The present invention provides an etch-free method for conductive electrode formation. The method comprises depositing an insulating layer (104) on a substrate (102), spin coating a first polymer layer (106) on the substrate (102), patterning the first polymer layer (106) by photo-lithography and depositing a conductive metal layer by physical deposition to form a top metallic layer (108) and a bottom metallic layer (110).
Abstract:
The present invention relates to pressure sensor and more particularly self-calibrated miniaturized pressure sensor designed for monitoring applications in automotive, industrial, medical and consumer products. One of the advantages of the present invention is able to detect self-calibration of the pressure sensor at both the initial state of the device or during operation. Another advantage of the present invention is that the self-calibrated miniaturized pressure sensor of the present invention enables the user to know the exact condition of the deformed diaphragm structure to ensure that the measured results are representative of the actual applied external pressure instead of the internal mechanical failure of the diaphragm structure. The present invention further provides a considerable reduction of materials with even greater efficiency and economically during operation.
Abstract:
The present invention provides a frame [20] with an integrated portable computer case [22] affixed to computer base [26] whereby a pair of parallel adjustable arms [24] is integrated to the frame [20]. A shoulder strap back frame pivots the other end of arms [24], said arms are provided with extendible forearms [24A]. When in need, the forearm [24A] is extended and the arm [24] swiveled to the front and the base holder [28] is rotated so that the computer carrier case [22] is swiveled from storage mode to the front of user. The base slider [30] can be adjusted horizontally accordingly for the user desired view. As such, the invention becomes portable, accessible and comfortable for use in sitting or standing position. The user can bring portable computer to the front and no external support is required as the frame [20] structure provides support itself. The frame [20] can be affixed with backpack carrier [32] for additional storage.
Abstract:
The present invention provides an ocular and motion controller system (200) for controlling interaction between a GUI and a user. The GUI is displayed on one or more display screens (102). The system (200) comprises an ocular tracking module (203) for capturing gaze data of the user's gaze to position a pointer at a corresponding location on the screen, a motion tracking module (204) for capturing gesture data of the user's gesture, wherein gesture data is process to determine its validity, and the valid gesture is used to turn on the motion tracking for taking over the gaze control. The system (200) processes the ocular and motion data that falls within the AOI to determine where the pointer should be positioned. A method thereof is also provided.
Abstract:
A method of generating electrical energy using a radiator is provided, the method includes the steps of wrapping a coil (108) around the radiator, from a high thermal energy area to low thermal energy area, adding ferrofluid into the radiator, wherein the radiator holds carrier liquid; flowing the ferrofluid through the radiator in a closed circuit such that electricity is generated by flow and storing generated electricity in a electricity storage means (106) such that the generated electrical energy is stored and is used in other electrical or electronics systems.