Abstract:
The present invention provides printed circuit boards, EMI shields, and methods that provide an EMI absorbing material and an EMI reflecting material. In one embodiment, the EMI shield comprises a shield body and an EMI absorbing material coupled to the shield body.
Abstract:
The present invention provide methods and devices for shielding an electronic component package. In one embodiment, an EMI shield is integrally formed within the package adjacent the die and grounded. The EMI shield may be a metallized shaped polymer layer and may be disposed fully within the package or it may extend out of the package.
Abstract:
An RFID smart label includes a plurality of layers, wherein one of the plurality of layers is an RFID inlay with a depression/recession region for holding the RFID chip/strap so that it does not extend above the surface of the antenna. The depressed/recessed region can have substantially the same depth as the thickness of the RFID chip/strap. High speed printing processes are then used to economically print labels on the RFID inlays having the RFID chip/strap embedded because there are no bumps to impede the printing process. A method for reliably and economically manufacturing a radiofrequency identification (RFID) antenna includes impressing a pattern on a surface of a substrate to make a first portion of the substrate having a positive image of the RFID antenna and a second portion of the substrate having a negative image of the WID antenna.
Abstract:
An RFID antenna that is protected from corrosion and is configured for easy attachment to an electronic chip is very advantageous. The electrically conductive RFID antenna pattern is coated with a layer of solderable material that protects the copper from corroding. The solderable material has a low melting temperature so that the solderable material can be heated to form a weld joint between a chip and the solderable material without damaging the chip.
Abstract:
The present invention provides improved RFID antennae and tags and methods of manufacturing the RFID antennas. The RFID tags of the present invention include a substrate that comprises an antenna assembly. A radiofrequency integrated circuit is in electrical communication with a portion of the antenna assembly. The RFID tag may include a structure, such as a lid element, that clamps and/or compresses the radiofrequency integrated circuit into contact with the antenna assembly, without the need for a conductive adhesive. In some embodiments, the antenna assembly is vacuum metallized or otherwise applied onto the substrate through patterned openings in a mask, such as a patterned masking cliché or a patterned polymer layer.
Abstract:
An RFID antenna that is protected from corrosion and is configured for easy attachment to an electronic chip is very advantageous. The electrically conductive RFID antenna pattern (107) is coated with a layer of solderable material (110) that protects the copper from corroding. The solderable material has a low melting temperature so that the solderable material can be heated to form a weld joint (120) between a chip (115) and the solderable material without damaging the chip.
Abstract:
an electronic device includes a printed circuit board (14) and an EMI shield (10) that has a flange around at least a portion of a perimeter of the EMI shield. One ore more connecotrs (20) coupled to the flange remobvably contact the flange to a ground trace (12) of the printed circuit board
Abstract:
The present invention provide methods and devices for shielding an electronic component package. In one embodiment, an EMI shield (42) is integrally formed within the package adjacent the die (12) and grounded. The EMI shield (42) may be a metallized shaped polymer layer (34) and may be disposed fully within the package or it may extend out of the package.
Abstract:
The present invention provides shielded printed circuit boards and electronic devices. The printed circuit board may comprise an internal network of grounded conductive elements that are coupleable to an EMI shield that is mounted on the printed circuit board. The network of grounded conductive elements are coupleable to a grounded layer and to the EMI shield and provides improved EMI shielding through the volume of the printed circuit board below an electronic component mounted on the printed circuit board.
Abstract:
The present invention includes an improved RFID antennae (14) and tags (18) and methods of manufacturing the RFID antennas. The RFID tags (18) of the present invention include a substrate that comprises an antenna assembly. A radiofrequency integrated circuit is in electrical communication with a portion of the antenna assembly. The RFID tag may include a structure, such as a lid element, that clamps and/or compresses the radiofrequency integrated circuit into contact with the antenna assembly, without the need for a conductive adhesive. In some embodiments, the antenna assembly is vacuum metallized or otherwise applied onto the substrate through patterned openings in a mask, such as a patterned masking cliche or a patterned polymer layer.