1. An initiator comprising:
a) a header assembly including an eyelet, a top surface, and an exposed electrical initiating element on said top surface;
b) a monolithic solid ignition charge adjacent to said top surface of said header assembly, said ignition charge being adjacent to and in heat-transferring relationship with said electrical initiating element;
c) an output charge overlying said ignition charge;
an intermediary slip plane between said ignition charge and said output charge, wherein said slip plane is created by a lack of integral connection between said ignition charge and said output charge, wherein said ignition charge and said output charge are in immediate contact with each other over substantially all of said slip plane; and,
d) a charge can around said ignition charge and said output charge and hermetically attached to said header assembly so as to separate the interior contents of said can from the ambient environment exterior to said can.
2. The initiator subassembly of claim 1, wherein said electrical initiating element is a bridgewire.
3. The initiator of claim 1, wherein said output charge is non-monolithic and thus incapable of transmitting substantial lateral force components or torque to said ignition charge.
4. The initiator of claim 1, wherein said ignition charge is formed from a slurry that includes a binder at less than five percent by weight and a solvent at between ten to thirty percent by weight.
5. The initiator of claim 4, wherein said ignition charge is a dried centrifuged slurry having a height of no more than a millimeter.
6. The initiator of claim 1, wherein said output charge is a monolithic solid mass.
7. (canceled)
8. (canceled)
9. The initiator of claim 6, wherein both of said ignition charge and said output charge are formed of dried slurry.
10. (canceled)
11. The initiator of claim 1, further comprising a charge sleeve within said charge can, said sleeve projecting upwardly above said top surface of said eyelet and circumferentially surrounding said ignition charge and said output charge.
12. The initiator of claim 11, wherein said charge sleeve has a narrowed top end, and said charge has a largest outer diameter that is greater than the inner diameter of said narrowed top end of said sleeve.
13. The initiator of claim 11, further comprising an ignition charge dam confining said ignition charge, said output charge having a diameter greater than that of said ignition charge.
14. A method for making an initiator, comprising the steps of:
a) providing a header assembly including an eyelet, a top surface, and an exposed electrical initiating element on said top surface;
b) providing a monolithic solid ignition charge adjacent to said top surface of said header assembly and adjacent to and in a heat-transferring relationship with said electrical initiating element;
c) loading an output charge on top of said ignition charge;
d) providing an intermediary slip plane between said ignition charge and said output charge, wherein said slip plane is created by a lack of integral connection between said ignition charge and said output charge, wherein said ignition charge and said output charge are in immediate contact with each other over substantially all of said slip plane; and,
e) placing a charge can around said ignition charge and said output charge and hermetically attaching said charge can to said header assembly so as to separate the interior contents of said can from the ambient environment exterior to said can.
15. (canceled)
16. The method of claim 14, wherein step b) and step c) each include the step of slurry-loading a charge slurry.
17. (canceled)
18. The method of claim 14, further comprising the step of axially spinning said header assembly.
19. The method of claim 14, further comprising the step of providing a charge sleeve within said charge can and around said ignition charge and output charge.
20. (canceled)
21. (canceled)
22. The method of claim 14, wherein said electrical initiating element is a bridgewire.
23. The method of claim 14, wherein said ignition charge is formed from a slurry that includes a binder at less than five percent by weight and a solvent at between ten to thirty percent by weight.
24. The method of claim 23, wherein said ignition charge is a dried centrifuged slurry having a height of no more than a millimeter.
25. The method of claim 14, wherein said output charge is a monolithic solid mass.
26. The method of claim 26, wherein both of said ignition charge and said output charge are formed of dried slurry.
27. The method of claim 19, wherein said charge sleeve has a narrowed top end, and said charge has a largest outer diameter that is greater than the inner diameter of said narrowed top end of said sleeve.
28. The initiator made by the method of claim 14.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A head system, comprising:
a head element coupled to a suspension element by an electrically conductive adhesive to prevent damage by electrostatic discharge (ESD) with said head element, wherein said adhesive is an anisotropic conductive paste (ACP).
2. The system of claim 1, wherein said head element is a hard drive magnetic head.
3. The system of claim 1, wherein said suspension element is a head-gimbal assembly (HGA).
4. The system of claim 3, wherein said suspension element is an HGA suspension tongue.
5. The system of claim 1, wherein said adhesive is a dual cure paste adhesive.
6. The system of claim 5, wherein a process for curing said adhesive includes ultraviolet (UV) treatment and thermal treatment.
7. The system of claim 6, wherein said UV treatment partially cures said adhesive to affix the head element to the suspension element in a proper location and with a proper directional orientation.
8. The system of claim 7, wherein said thermal treatment completes the adhesive cure process by strengthening said adhesive.
9. The system of claim 8, further comprising a barrier interposed between said head element and said suspension element.
10. The system of claim 9, wherein said barrier aids in sustaining said proper directional orientation of the head element with respect to the suspension element during the adhesive curing process.
11. A method for head attachment, comprising:
coupling a head element to a suspension element by an anisotropic conductive paste (ACP) to prevent damage by electrostatic discharge (ESD) with a head element.
12. The method of claim 11, wherein said head element is a hard drive magnetic head.
13. The method of claim 12, wherein said suspension element is a head-gimbal assembly (HGA).
14. The method of claim 13, wherein said suspension element is an HGA suspension tongue.
15. The method of claim 11, wherein said adhesive is a dual cure paste adhesive.
16. The method of claim 15, wherein a process for curing said adhesive includes ultraviolet (UV) treatment and thermal treatment.
17. The method of claim 16, wherein said UV treatment cures an exposed area of said adhesive to affix the head element to the suspension element in a proper location and with a proper directional orientation.
18. The method of claim 17, wherein said thermal treatment completes the adhesive cure process by strengthening said adhesive.
19. The method of claim 18, further comprising interposing a barrier between said head element and said suspension element.
20. The method of claim 19, wherein said barrier aids in sustaining said proper directional orientation of the head element with respect to the suspension element during the adhesive curing process.