Pott, A. and M. Shriklande, t-Designs with few intersection numbers, Discrete Mathematics 90 (1991) 215-217. We give a method to obtain new i-designs from t-designs with j distinct intersection numbers if i + j 1 does not exceed t.

This empirical study of opportunities for learning in a hospital contributes to the discussion of learning at work and particularly the notion of workplace learning as a horizontal community. Horizontal communities, although focused as such in existing literature, are found to be scarce in this study due to division of labor and physical layout. The horizontal communities seldom reach the in si...

This paper investigates how individual perceptions and attitudes about an organization influence multitasking behaviors in the workplace. While we know that individuals are significantly influenced in their behaviors by the characteristics of their organizations (e.g. ICTs, organizational structure, physical layout), we still do not know much about how the way individuals interpret their organi...

A set of CAD tools for the synthesis and layout generation of multiple-valued current-mode CMOS logic (CMCL) circuits is described. The synthesis method is based upon the cost-table method. The general circuit structure, the cost-table functions and the decomposition procedure used in the cost-table synthesis program are explained. The synthesis program is based upon a logically complete set of...

Artificial Intelligence (AI) techniques are applied to develop a framework for the design and layout of MMIC circuits. This framework addresses key aspects of the design process, from circuit specification and initial design decisions through to final layout and preparation of the circuit for fabrication. A number of knowledge-based systems are incorporated into the framework to assist in speci...

Interactive method for optimization of an IC layout with respect to sensitivity to spot defects is presented. The relationship between occurrence of a spot defect and a circuit failure is discussed. A new concept of sensitive area is introduced. A new algorithm which allows determination of sensitive areas for opens is proposed. A practical example of the application of a software tool SENSAT t...

In this paper a novel design of all-optical half-subtractor based on nonlinear directional coupler is proposed. By using four waveguides and appropriately adjusting the refractive indices and selecting the proper length of waveguides, halfsubtractor function can be obtained. The operation of this function is simulated by RSoft CAD-Layout (BeamPROP) simulator. The simulation results confirm the ...

An efficient approach and an associated tool to optimize the performance of integrated analog circuits are described. The main objectives are to significantly speed up the design process and to obtain better overall, possibly optimal, circuit performance compared to a manual simulation-based approach. In order to achieve good agreement with circuit measurements, high accuracy transistor models ...

A previous hierarchical fault tracing method for combinational circuits which requires only CAD layout data in the CAD-linked electron beam test system is expanded as applicable to sequential circuits. The characteristics in the method remains unchanged that allows us to trace a fault hierarchically from the top level cell to the lowest primitive cell and from the primitive cell to the transist...

Emerging results for mixed-domain circuit simulation, a component-level synthesis strategy, and a layout extractor is presented for use in design of microelectromechanical systems (MEMS). The mixed-domain circuit representation is based on Kirchhoffian network theory. Micromechanical and electromechanical components may be partitioned hierarchically into low-level reusable elements. The MEMS co...