1. A product comprising:
friction material comprising a plurality of fibers, a plurality of particles, a chemical binder, and a resin bonding agent, wherein the particles are aggregated into regions of groups of particles throughout the friction material wherein the amount and arrangement of the regions of groups of particles results in an increase in average permeability of 2 to 10 times compared to a composition with single particles instead of regions of groups of particles.
2. A product as described in claim 1 wherein said particles comprise at least one of graphite particles, diatomaceous earth particles, silica particles, carbon particles, carbide particles, ceramic particles, cashew oil particles, rubber particles, nitride particles, nitrile particles, phenolic particles, zeolite particles, or aramid particles.
3. A product as described in claim 2 wherein said particles range in diameter from 10 to 500 \u03bcm.
4. A product as described in claim 2 wherein said particles range in diameter from 10 to 150 \u03bcm.
5. A product as described in claim 1 wherein said friction material further comprises a chemical binder comprising at least one of acrylonitrile, acrylate, polyvinyl acetate, polyvinyl chloride, or styrene-butadiene.
6. A product as described in claim 1 wherein said fibers comprise at least one of acrylic, aramid, carbon, cellulose, glass, mineral (engineered), polyimide, polyvinyl alcohol (PVA), or Rayon.
7. A product as described in claim 1 wherein said particles comprise graphite particles ranging in size from 20 to 150 \u03bcm.
8. A product as described in claim 1 wherein said particles comprise diatomaceous earth particles range in size from 1 to 40 \u03bcm.
9. A product as described in claim 1 wherein said friction material comprises pores ranging in size from 5-50 \u03bcm.
10. A product as described in claim 9 wherein pores greater than 4 \u03bcm accounting for between 0% and 50% of the friction material’s total pore volume.
11. A product as described in claim 1 wherein said resin bonding agent comprises at least one of epoxy resin, phenolic resin, modified phenolic resin, or silicone resin.
12. A product comprising:
a friction material comprising aramid fibers, carbon fibers, graphite particles, and diatomaceous earth particles, wherein the percentage weight of aramid fibers is between 20% and 60%, wherein the percentage weight of carbon fiber is between 5% and 20%, wherein the percentage weight of the graphite particles is between 5% and 25%, wherein the percentage weight of the diatomaceous earth particles is 5% to 30%, and wherein said at least one of the graphite particles or the diatomaceous earth particles are aggregated.
13. A product as described in claim 12 wherein said diatomaceous earth particles range in size from 1 to 40 \u03bcm.
14. A product as described in claim 12 wherein said graphite particles range in size from 20 to 150 \u03bcm.
15. A product as described in claim 12 wherein said friction material comprises pores ranging in size from 5-50 \u03bcm.
16. A product as described in claim 15 wherein said friction material comprises pores greater than 4 \u03bcm accounting for between 0% and 50% of the friction material’s total pore volume.
17. A product as described in claim 12 wherein said at least one of the graphite particles or the diatomaceous earth particles are aggregated into regions of groups of particles throughout the friction material wherein the amount and arrangement of regions of groups of particles results in an increase in average permeability of 2 to 10 times compared to a composition with single particles instead of regions of groups of particles.
18. A product as described in claim 12 wherein said friction material further comprises a chemical binder comprising at least one of acrylonitrile, acrylate, polyvinyl acetate, polyvinyl chloride, or styrene-butadiene.
19. A product as described in claim 12 wherein said friction material further comprises a resin bonding agent comprising at least one of epoxy resin, phenolic resin, modified phenolic resin, or silicone resin.
20. A product comprising:
a friction material comprising a plurality of fibers, a chemical binder, and a plurality of bonded groups comprising a plurality of particles bonded together, wherein each of the plurality of bonded groups has a diameter ranging from 10-500 \u03bcm.
21. A product as set forth in claim 20 wherein each of the plurality of bonded groups has a diameter ranging from 10-150 \u03bcm.
22. A product as set forth in claim 20 wherein each of the plurality of bonded groups has an irregular shape.
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. An application specific integrated circuit (ASIC), comprising:
one or more logics to process data in the ASIC;
a serializer de-serializer (SERDES) within the ASIC and communicatively coupled to at least one of the logics by a path configured to carry data between the SERDES and the at least one of the logics;
an embedded fault injection logic (EFIL) to control injection of a fault signal to the path; and
an embedded set of multiplexers (ESOMs) that are configured to be controlled by the EFIL and that are configured to inject the fault signal to the path.
2. The ASIC of claim 1, where the fault signal is one of, a stuck at zero signal, a stuck at one signal, an inverted signal, and a normal signal, and where the EFIL is configured to control the ESOMs using a two bit signal to select the fault signal type.
3. The ASIC of claim 2, where the EFIL comprises a programmable slave register, and where the programmable slave register controls the fault signal type.
4. The ASIC of claim 1, where the EFIL comprises a fault injection timer to control when the fault signal is to be injected.
5. The ASIC of claim 4, where the fault injection timer is configured to control when injection of the fault signal is to begin.
6. The ASIC of claim 1, where the fault signal is configured to exercise a portion of a process performed by the ASIC.
7. The ASIC of claim 6, where the process is one of, an error detection process, an error handling process, and an error correction process.
8. The ASIC of claim 4, where the fault injection timer is configured to control for how long the fault signal is to be injected.
9. The ASIC of claim 1, where the EFIL is configured to control the ESOMS to inject two or more fault signals at two or more locations in the ASIC.
10. The ASIC of claim 9, where the EFIL is configured to control the ESOMs to inject two or more fault signals at two or more locations in the ASIC at the same time.
11. A logic encoded in one or more tangible media for execution and when executed operable to perform a method, the method comprising:
receiving a set of data describing a fault type, a fault initiation time, and a fault duration;
programming an embedded fault injector (EFI) in an ASIC based at least in part on the set of data; and
controlling a fault signal with the EFI, where the fault signal is based, at least in part, on the set of data, and where the fault signal is injected into a path in the ASIC,
where the path is configured to carry data between one or more logics that process data in the ASIC and a serializer de-serializer (SERDES) within the ASIC.
12. The logic of claim 11, the method comprising:
selecting a location in the ASIC to inject a fault signal, where multiple data paths in the ASIC are configured to accept fault signals.
13. The logic of claim 11, the method comprising:
configuring the fault type, the fault initiation time, and the fault duration to exercise a system software in the ASIC.
14. The logic of claim 13, where the system software is configured to perform one or more of, error detection, error handling, and error correction.
15. The logic of claim 11, the method comprising:
synchronizing one or more of, the fault signal, the fault initiation time, and the fault duration, with an ASIC synchronization clock.
16. The logic of claim 11, where programming the EFI comprises controlling a type of fault to be injected, a location where the fault is to be injected, a start time for the fault to be injected, and a duration for the fault to be injected.
17. The logic of claim 1, where the type of fault to be injected, the location where the fault is to be injected, the start time for the fault to be injected, and the duration for the fault to be injected are associated with triggering an exception handler in a process running in the ASIC.
18. The logic of claim 16, where the type of fault to be injected, the location where the fault is to be injected, the start time for the fault to be injected, and the duration for the fault to be injected are associated with exercising a portion of a diagnostic process running in the ASIC.
19. A system, comprising:
means for receiving a set of data describing a fault type, a fault initiation time, and a fault duration;
means for programming an embedded fault injector logic (EFIL) in an application specific integrated circuit (ASIC) based, at least in part, on the set of data; and
means for controlling an embedded set of multiplexers (ESOMs) that are controllable to inject a fault signal to a data path configured to carry data between one or more logics in an ASIC and a serializer de-serializer (SERDES) within the ASIC, where the ESOMs are controlled, at least in part, by the EFIL.
20. The ASIC of claim 1, where at least one of the ESOMs is located on the path and is configured to switch between injecting the fault signal and allowing at least one of data sent by the SERDES to the one or more logics and data sent by the one or more logics to the SERDES to be transmitted on the path.