Design for X refers to the use of a formal methodology to optimize a specific aspect of a design. The variable X represents the areas of focus. The design guidelines themselves propose an approach and corresponding methods that help to generate and apply technical knowledge in order to control, improve, or even to invent particular characteristics of a product.

  DFx Design for Excellence

Following is a list that defines the most common areas of DFx focus and a brief description of these areas. This list is not meant to be all inclusive nor would all necessarily be required on a specific product. However, we evaluate each of these “X’s” in the Cypher Scientific design methodology and in partnership with the customer determine which will be stage requirements within a given design initiative.

DFM Design for Manufacturability

Guideline for designing new or revising existing designs of Printed Circuit Boards and Printed Circuit Board Assemblies, as well as fabricated sheet metal and other mechanical piece parts. It is focused on reducing overall product costs and improving factory efficiency.

DFP Design for Procurement

Design the product to ensure that both the initial cost and total cost of ownership are optimized. Design the product to ensure multiple sources of supply are identified for all components where possible. Perform risk assessments on single source items and long lead time items. Reduce component numbers and system complexity to minimize the product and maintenance cost while improving the reliability of the product. Focus on lifecycle management and configuration stability over time.

DFSC Design for Supply

Design to improve the supply chain efficiency, inventory turn-over and reduce lead times. Design for high assembly and manufacturing efficiency. Design to improve the logistics efficiency, reduce the cost for product logistics (packaging, transport, etc.). The product should be designed to ensure full or maximum fault detection coverage at in- circuit, functional and system test where applicable.

DFT Design for Testability

The group of design techniques we use to add testability features to hardware product design. The premise of the added features is that they make it easier to develop and apply manufacturing tests for the designed hardware. The purpose of manufacturing tests is to validate that the product hardware contains no defects that could otherwise adversely affect the product’s correct functioning, safety and/or lifecycle.

DFF Design for Flexibility

Design the product to be scalable in capacity. The ease of expandability should be taken into consideration from both a hardware and software perspective. Design the product functions to be easy to modify or add new functionality. The design should take the extensibility of the product into consideration.

DFP Design for Portability

The product, both hardware and software, should be modular in design to allow for maximum design portability and to aid in the testability of future changes.

DFRU Design for Reusability

Both hardware and software should be designed with the consideration for future reusability and optimization of the building blocks of the overall design. The product should be designed for new technology integration with minimal impact.

DFD Design for Deployment

This includes the structure to aid in delivery coordination, ease of installation and documentation readiness. Ensure the product is structured to be easy to identify upon receipt and order by the end user.

DFI Design for Interoperability

Design the product to ensure interoperability with related products in the customers product line and from other suppliers.

DFP Design for Performance

Consideration of delay, throughput, bandwidth utilization, resource utilization and all other defined performance characteristics are included in design for best performance.

DFRC Design for Regulatory Compliance

Ensure that the design meets all regulatory requirements including technical requirements (EMI, RFI, Power, etc.), safety requirements, materials and environmental.

DFR Design for Reliability

Design reliability into products. This considers both hardware and software reliability. This must considers MTBF rate maximization through designs that minimize stress while providing maximum operational margins. Both Hardware and Software fault tolerance are design considerations. Fault detection coverage is also a consideration. Cyber Scientific’s focus on HALT/HASS testing is an integral part of this requirement.

DFSA Design for Safety

Designing to eliminate or reduce risks in the final product or its operation involving safety.

DFSE Design for Security

Minimize the security risk to the product and/or network operations through design to ensure confidentiality, integrity and availability.

DFS Design for Serviceability

Improving the capability of installation, commissioning, and maintenance through design. The product should be easy to use. Human Factors are a primary consideration. Total Cost of Ownership is also included as a design consideration.

DFSU Design for Sustainability

Design for high energy efficiency and low power consumption. Minimization of the impact on the environment through both the manufacture of the product, component selection and the long term operation of the product. The product should be designed with recycling ease as a consideration as well as disposability of any non-recyclable elements.

DFA Design for Assembly

Design for ease of assembly, minimization of fixturing, cycle time reduction and lean assembly practices.

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