Gravitomagnetic Induction Detection Using Nano-Features on Spinning Disks
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing technologies lack a reliable method to produce gravitomagnetic induction using a head disk assembly, particularly for non-ferromagnetic materials, and fail to capture and utilize gravitomagnetic energy effectively for defect detection and power generation.
Innovation Solution
A mass spin-valve or gravitational rectifier device is developed, utilizing a computer hard disk with piezoelectric or GMR read heads, featuring nano-bumps and nanopits on the disk surface, which generates mechanical or magnetic forces to produce gravitomagnetic induction, enabling defect detection and energy collection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If gravitomagnetic induction devices are constructed using rapidly spinning disks, then gravitomagnetic field generation is achieved, but the reliability and reproducibility of the effect remains unproven
Solution Approach 1:
The patent introduces a head disk assembly as an intermediary system between the spinning disk and the detection mechanism. The read/write head serves as a mediator that can detect gravitomagnetic induction effects while the disk spins at controlled speeds, providing a reliable interface for measuring the otherwise difficult-to-detect gravitomagnetic field
Solution Approach 2:
The patent replaces purely mechanical gravitomagnetic induction devices with a hybrid system that incorporates electronic detection components (head disk assembly, read/write heads). This substitution allows for more precise measurement and control of the gravitomagnetic effects, improving reliability through electronic sensing rather than purely mechanical detection
2Measurement precision
If conventional defect detection methods are used on spinning disks, then detection capability is limited, but the device complexity and power requirements increase
Solution Approach 1:
The patent makes the head disk assembly multi-functional by enabling it to perform both its conventional data storage function and a new defect detection function. The same read/write head that reads magnetic data now also detects gravitomagnetic induction signals from defects, eliminating the need for separate detection devices and reducing overall system complexity
Solution Approach 2:
The head disk assembly performs defect detection as a byproduct of its normal operation. The spinning disk and read/write head, already present for data storage, automatically detect defects through gravitomagnetic induction without requiring additional power or complex external detection systems
3Loss of energy
If gravitomagnetic energy is not captured and utilized, then energy is wasted, but the device complexity for energy collection increases
Solution Approach 1:
The head disk assembly generates electrical energy through gravitomagnetic induction during its normal spinning operation. This self-generated energy can be used to power the disk drive itself or other electronic devices, creating a self-sustaining system that converts what would be wasted energy into useful power without requiring external energy collection infrastructure
Solution Approach 2:
The head disk assembly is given a dual function: it continues to perform data storage while simultaneously generating electrical energy through gravitomagnetic induction. This multi-functionality allows the same components to serve both information storage and power generation purposes, avoiding the need for separate energy collection devices
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device enhances defect detection efficiency on spinning disks and magnetic tapes, and converts gravitomagnetic energy into usable power, demonstrating significant power density and potential for powering electronic devices.
Implementation Method 1
a piezoelectric glide head and/or a GMR read head in combination with a typical hard drive's electronics
Implementation Method 2
a piezoelectric glide head and/or a GMR read head in combination with a typical hard drive's electronics
Implementation Method 3
DEVICE AND METHOD TO PRODUCE GRAVITOMAGNETIC INDUCTION, MASS SPIN-VALVE OR GRAVITATIONAL RECTIFIER
Data Source
AI summary
A head-disk assembly device, “mass spin-valve” or “gravitational rectifier” and method of producing gravitomagnetic induction utilizing Nano-features fabricated on the surface of a hard disk is presented. The Nano-features may include Nano-bumps and Nano-pits. The device includes a computer hard disk, a piezoelectric glide head and/or a GMR read head, a typical hard drive's electronics, wherein defects are fabricated on the said disk using a Focused Ion Beam (FIB) by depositing requisite number of nanobumps of specified height, and etching equal number of nanopits of specified depth a few mils or mm apart on a pre-decided radius. By spinning the said nano-features disk produce (1) an associated mechanical force utilizing a piezoelectric glide head and/or (2) an associated magnetic force utilizing a GMR read head for (a) general use in surface characterization work and (b) for producing power by the presence or the absence of matter on a spinning disk.