1. A microactuated head suspension assembly for a hard disk drive system comprising:
a baseplate;
a rotatable load; and
a single planar piezo actuator coupled between the baseplate and load, configured to expand, responsive to voltage excitation in a direction normal to the actuator plane, with greater magnitude in a first direction parallel to the plane, than in a second direction parallel to the plane and normal to the first direction, thereby causing rotation of the rotatable load with respect to the baseplate upon application of the voltage.
2. The assembly of claim 1 wherein the actuator comprises a triangular shape.
3. The assembly of claim 2 wherein the triangular actuator comprises a perimeter having a hypotenuse and two substantially perpendicular legs, and wherein the first and second directions coincide with the directions of the legs.
4. The assembly of claim 1 further comprising a load beam coupled between the baseplate and load, wherein the piezo actuator is coupled between the baseplate and the load beam.
5. The assembly of claim 1 further comprising:
a trace for carrying signals to the head; and
a lead connection for applying voltage to the piezo actuator;
wherein the trace and the lead connection lie in a common plane.
6. The assembly of claim 5 wherein one side of the piezo actuator is bonded to a bottom surface of the baseplate, and wherein the common plane coincides with a bottom surface of the load beam.
7. The assembly of claim 1 further comprising a flexure coupled between the baseplate and load, wherein the piezo actuator is coupled between the baseplate and the flexure.
8. The assembly of claim 1 further comprising:
a load beam coupled to the baseplate, the load beam having a spring area, wherein the piezo actuator is coupled to the load beam between the spring area and the baseplate.
9. The assembly of claim 1 wherein the piezo actuator is coupled by gluing.
10. In a head suspension assembly for a hard disk drive system including a baseplate coupled to one end of a load beam, a flexure coupled to an opposite end of the load beam, and a slider coupled to a distal end of the flexure, a hingeless microactuating system comprising:
a single, planar piezo actuator having a lead connection surface and a grounding surface opposite the lead connection surface, wherein the actuator is grounded to the assembly such that the actuator surface closest to the slider is the lead connection surface.
11. The system of claim 10 wherein the baseplate comprises a stator and a rotor and the actuator is mounted between the stator and the rotor.
12. The system of claim 10 wherein the piezo actuator is configured to expand, responsive to voltage excitation in a direction normal to the actuator plane, with greater magnitude in a first direction parallel to the plane, than in a second direction parallel to the plane and normal to the first direction, thereby causing rotation of the slider with respect to the load beam upon application of the voltage.
13. The system of claim 10 wherein the grounding surface is grounded to the assembly by conductive epoxy.
14. The system of claim 10 wherein electrical leads are connected to the lead connection surface by TAB bonding.
15. The system of claim 10 wherein the grounding surface is grounded to a raised portion of the load beam.
16. The system of claim 15 wherein the raised portion comprises one or more single wing configurations.
17. The system of claim 15 wherein the raised portion comprises one or more double sided wing configurations.
18. The system of claim 15 wherein the lead connection surface and an unraised portion of the load beam lie in a common plane.
19. The system of claim 15 wherein the lead connection surface and an unraised portion of the load beam lie in different planes.
20. The system of claim 12 wherein the piezo actuator comprises a triangular shape.
21. The system of claim 20 wherein the triangular piezo actuator comprises a perimeter having a hypotenuse and two substantially perpendicular legs, and wherein the first and second directions coincide with the directions of the legs.
22. The system of claim 21 further comprising:
a trace for carrying signals to the head; and
a lead connection for applying voltage to the piezo actuator;
wherein the trace and the lead connection lie in a common plane.
23. The system of claim 22 wherein one side of the piezo actuator is bonded to a bottom surface of the baseplate, and wherein the common plane coincides with a bottom surface of the load beam.
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.-8. (canceled)
9. A compound of Formulae (V)-(XIV):
wherein n is 1 or 2;
m is 1, 2, 3 or 4;
R1 is selected from the group consisting of hydrogen, methyl, isopropyl, isobutyl, sec-butyl, \u2014CH2OH, \u2014CH(OH)CH3, \u2014CH2CO2H, \u2014CH2CH2CO2H, \u2014CH2CONH2, \u2014CH2CH2CONH2, \u2014CH2CH2SCH3, CH2SH, \u2014CH2(CH2)3NH2 or \u2014CH2CH2CH2NHC(NH)NH2, phenyl, benzyl, 4-hydroxybenzyl, 2-imidazolyl and 2-indolyl;
R is selected from the group consisting of hydrogen, C1-6 alkyl, phenyl, benzyl, \u2014C(CH3)\u2550CH2 or \u2014CH2C(O)N(CH3)2;
either R4 is hydrogen and R5 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, cyclopentyl, cyclohexyl, phenyl, benzyl, phenethyl or 3-pyridyl; or R4 is methyl and R5 is selected from the group consisting of methyl, methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, isopropoxycarbonyl, butoxycarbonyl, isobutoxycarbonyl, sec-butoxycarbonyl, tert-butoxycarbonyl and cyclohexyloxycarbonyl;
R7 is hydrogen;
R8 is substituted aryl; and
pharmaceutically acceptable salts thereof.
10. The compound of claim 9, wherein the compounds of Formula V and Formula VI are each L-amino acids or L-amino acid derivatives.
11. The compound of claim 10, wherein R8 is para-chloro-substituted phenyl.
12. (canceled)
13. (canceled)
14. A pharmaceutical composition comprising a pharmaceutically acceptable carrier and an effective amount of a compound or mixture of compounds according to claim 9.
15.-19. (canceled)