ESD foam ground clip
AssigneeHoneywell International Inc.
InventorLance Sundstrom
Life of this patent
Estimating the term…
Abstract
Methods and systems are provided for protecting an electronic device from electrostatic discharge when inserting and removing the electronic device from ESD foam. In one embodiment, an ESD foam ground clip is presented. The clip comprises a low-impedance contact and a ground connector adapted to electrically connect the low-impedance contact to an electrical ground.
Claims44
An ESD foam ground clip, the clip comprising:
- a low-impedance contact;
- and
- a ground connector adapted to electrically connect the low-impedance contact to an electrical ground.
A method for inserting an electronic device into ESD foam, the method comprising:
- inserting a low-impedance contact into the ESD foam;
- connecting the low-impedance contact to ground;
- and
- inserting the pins of an electronic device into the ESD foam.
A method for removing an electronic device from ESD foam, the method comprising:
- inserting a low-impedance contact into ESD foam;
- connecting the low-impedance contact to ground;
- and
- removing the electronic device pins from the ESD foam.
An ESD foam grounding system, the system comprising:
- a low-impedance electrical contact means;
- and
- means for electrically connecting the low-impedance contact means to an electrical ground.
A secondary electron emission shield for a flash x-ray system having electronic devices contained within an EMI enclosure, the shield comprising:
- ESD foam adapted with a low-impedance contact, the ESD foam located between a source of secondary electron emissions and the electronic devices;
- and
- a ground connector adapted to electrically connect the low-impedance contact to an electrical ground.
An apparatus comprising:
- a printed wiring board having a first side and a second side, wherein one or more electronic devices are mounted on one or more of the first side and the second side;
- one or more low-impedance contacts mounted on one or more of the first side and the second side;
- a ground bus adapted to electrically couple the one or more low-impedance contacts together;
- and
- ESD foam mounted onto the one or more low-impedance contacts between a source of secondary electron emissions and the one or more electronic devices.
A method for shielding electronic devices from secondary electron emissions in a flash x-tray test system, the method comprising:
- inserting a layer of ESD foam between a source of secondary electron emissions and the electronic devices;
- inserting one or more low-impedance contacts into the ESD foam;
- connecting the one or more low-impedance contacts to ground;
- capturing electrons in the ESD foam;
- and
- draining electrons captured by the ESD foam to ground.
A secondary electron emission shield for a flash x-ray system having electronic devices contained within an EMI enclosure, the shield comprising:
- means for adapting ESD foam with a low-impedance electrical contact;
- and
- means for electrically connecting the low-impedance electrical contact to an electrical ground.
A low impedance contact, the contact comprising:
- a plurality of metal pins;
- a holding plate adapted to hold the plurality of metal pins approximately parallel to each other;
- and
- a ground bus, the ground bus adapted to electrically couple each of the plurality of metal pins to each other.
Dependencies are inferred from the claim text.