Hard Drive Dismantling for Reuse and Selective Data Destruction

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Solution Overview

Problem

Current methods for dismantling hard drives are predominantly manual or semi-automated, limiting the efficiency of component recovery and reuse, and do not allow for the selective destruction of data-containing portions, which is crucial for data security protocols.

Innovation Solution

A fully automated system for non-destructive dismantling of hard drive components, utilizing a scanning system, database-driven CNC interfaces, and suction units to extract components without damage, and optional milling or shredding for data destruction based on operator preference.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual or semi-automated dismantling methods are used, then labor flexibility is maintained, but productivity and component recovery efficiency are limited

Engineering Contradiction:
Improvecomponent recovery efficiencyVSAvoiddismantling system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system uses vision systems and sensors to automatically identify hard drive components and their locations, enabling the dismantling system to self-adjust and self-service without constant human intervention. The automated screwdrivers and component extractors are controlled by the system itself based on real-time component detection

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Manual mechanical dismantling operations are replaced by automated mechanical systems including robotic arms, automated screwdrivers, and component extractors. These automated mechanisms perform dismantling tasks with precision and speed beyond manual capabilities, significantly improving productivity

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If complete hard drive destruction is performed, then data security is ensured, but component reuse opportunities are lost

Engineering Contradiction:
Improvedata securityVSAvoidreusable components
Core Design Contradiction:
ReliabilityVSLoss of substance

Solution Approach 1:

The hard drive is segmented into different components during the dismantling process. Data-containing components (platters, memory chips) are separated from reusable components (circuit boards, actuators, voice coils). This segmentation allows selective destruction of only the data-bearing portions while preserving other components for reuse

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The data-containing portions of the hard drive are extracted and removed from the overall system. By taking out only the platters and memory chips that contain sensitive information, the system enables secure data destruction while leaving other valuable components intact for recovery and reuse

Inventive Principle:
Principle #2Taking out (Extraction)

3Quantity of substance

If selective component extraction is performed, then component value is maximized, but dismantling precision requirements increase

Engineering Contradiction:
Improvereusable material recovery rateVSAvoidcomponent extraction precision
Core Design Contradiction:
Quantity of substanceVSManufacturing precision

Solution Approach 1:

Manual extraction operations are replaced by automated mechanical systems with precision control. Automated screwdrivers with torque control, robotic grippers with force control, and computer-controlled positioning systems ensure that components are extracted with the required precision without damage, maximizing the value of recovered components

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

Enables efficient, labor-saving recovery of reusable components and secure destruction of data-bearing sectors, enhancing the rate of return on recycled materials and compliance with data security regulations.

Implementation Method 1

second devices for dismantling the loosened components from the storage device without destroying the components

Methodology Applied
Scientific EffectSuction: Suction

Data Source

PatentUS11167384B2Hard drive non-destructive dismantling system
Publication Date: 2021.11.09 SERENITY DATA SECURITY LLC
  • US11167384B2 patent drawing
  • US11167384B2 patent drawing
  • US11167384B2 patent drawing

AI summary

A system and method for dismantling components of electronic media electronic storage devices such as hard disk drives, solid state drives and hybrid hard drives. The components are dismantled in a nondestructive manner so as to be capable of reuse. First devices loosen the various components of the storage device, Second devices are provided for removing components from the storage device. A holding chassis receives the storage device, and moves the storage device for engagement with the first and second devices. A mechanism may be provided for destroying the data containing portion of the electric storage device when it is removed from the storage device. A database of information concerning past and current storage devices including their configurations, component locations and screw/fastener locations is provided along with a scanning system for retrieving information about the storage device being introduced into the system. The scanned information and information from the database is used to control and position the first and second devices and holding chassis.