Distributed Clocks in Slotted Networks

  • Maxemchuk N.

A simple technique is described to operate slotted loop or mesh networks with independent, and slightly different clocks at every node. The technique eliminates the need to designate one node as the master clock in these networks.

Neutron Scattering Measurements of Spin Fluctuations in the Heavy Fermion System UPt sub 3

  • Aeppli G.
  • Bucher E.
  • Goldman A.
  • Hufnagl J.
  • Shirane G.

We report the results of both polarized and unpolarized neutron scattering measurements on single crystal specimens of the heavy Fermion UPt sub 3 .

Effect of Electrode Area on Radio Frequency Glow Discharge Sheath (NOT PUBLISHED)

  • Gottscho R.
  • Intrator T.
  • Scheller G.

In many radio frequency plasma applications, use od unequal area electrodes leads to a dc self-bias voltage. Since this bias voltage can be large, it often affects sputtering, etching, and deposition rates.

High Performance Symmetric CMOS Technology (NOT PUBLISHED)

  • Andrews J.
  • Boulin D.
  • Cong H.
  • Field R.
  • Hillenius S.
  • Lebowitz J.
  • Lynch W.

A 0.5micron CMOS technology has been developed that uses a silicided source/drain/gate with Co Si sub 2. The n-channel and p-channel devices are symmetric in threshold voltages, vertical dimensions and channel lengths.

Advanced Services Based on Integrated Services Digital Network (ISDN)

  • Allers J.
  • Anderson L.
  • Bennett R.
  • Cardwell R.

New telecommunications equipment based on the Integrated Services Digital Network (ISDN) standards is allowing the introduction of many advanced subscriber features. These standards define an interface between subscriber premises equipment and exchange equipment with greatly increased capabilities over the previous analogue interconnections. Telecommunications equipment designers are using this increased capability ...

AlGaAs/GaAs Hetrojunction Bipolar Transistor with a Planar Doped 2D-Hole Gas Base Grown by MBE

  • Lunardi L.
  • Malik R.
  • Ryan R.
  • Walker J.

A new type of AlGaAs/GaAs heterojunction bipolar transistor which employs a 2D-hole gas base formed with doping by molecular beam epitaxy has been demonstrated.

A 0.75micron Minimum Linewidth Two-Level Metal Process Using Plasma CVD TEOS Interlevel Dielectric

  • Chen M.
  • Cochran W.
  • Harrus A.
  • Hey H.
  • Hills G.
  • Leung C.
  • Thoma M.

Topography related issues increasingly dominate the process design of micron and submicron VLSI interconnect technologies. Depth of focus limitations for fine line patterning, line width control over rough topography, sputter deposition step coverage, as well as etch residues along steep edges are highlighting the need for surface smoothing.

High Precision Mechanical Measurements of Novel Phases of Condensed Matter

  • Bishop D.

Over the past ten years the high Q torsional oscillator has been developed into a very sensitive probe of the mechanical properties of a wide variety of experimental systems. Such oscillators have achieved Q's of 10 sup 8 and frequency stabilities of 1 part in 10 sup 10 .

Reverse Pillar - A Self-Aligned and Self-Planarized Metallization Scheme for Future VLSI Interconnection

  • Cochran W.
  • Dziuba C.
  • Garcia A.
  • Hills G.
  • Huttemann R.
  • Rana V.
  • Tsai N.
  • Yang T.
  • Yeh J.

The Reverse Pillar Process is a new self-aligned and self-planarized metallization scheme for future VLSI multilevel interconnection. In addition, the scheme would bypass the difficult task of defining and etching submicrometer metal dimensions.

Two Level Metallization by Laser-Enhanced Al CVD

  • Blonder G.
  • Fleming C.
  • Higashi G.

We briefly review techniques described in the open literature for via-hole filling. Our method, which involves the chemical vapor deposition (CVD) of Al from tri-isobutyl aluminum on photo-chemically sensitized surfaces, is described and contrasted with existing techniques.

A Short Term Neural Network Memory

  • Morris R.
  • Wong W.

Neural network memories with storage prescriptions based on Hebb's rule are known to collapse as more words are stored. By requiring that tha most recently stored word is remembered precisely, a new short term neural network memory is obtained and its steady state capacity analyzed and simulated.

Adaptive Transmission Equalization of Survivable Channels

  • Jablway A.

An important characteristic of modern telecommunication technology is its ability to support a wide range of traffic and services. This flexibility allows, for example, many networks to be configured in many fashions to satisfy the different needs of various Government agencies under a wide range of circumstances, including periods of ...

Motin in Color-Nonoriented and Luminance-Oriented Channels

  • Gorea A.
  • Papathomas T.

We created a class of stimuli that can be perceived unambiguously as either drifting to the left or to the spatio-temporal configuration of their two defining attributes, i.e. color and orientation.

Nonequilibrium Electron Transport in III-V Heterojunction Devices

  • Levi A.

Over the past three years new insight into the physics of nonequilibrium electron transport in semiconductors [1] has stimulated interest in developing ultrafast electronic and opto-electronic devices utilizing hot electron transport over length scales much smaller than 1/10th micron [2,3,4].

Nonequilibrium Electron Transport in III-V Heterojunction Devices

  • Levi A.

Over the past three years new insight into the physics of nonequilibrium electron transport in semiconductors [1] has stimulated interest in developing ultrafast electronic and opto-electronic devices utilizing hot electron transport over length scales much smaller than 1/10th micron [2,3,4].

Conflicting Objectives in Software System Design (NOT KNOWN IF PUBLISHED BECAUSE AUTHOR HAS LEFT AT&T)

  • Ulkucu A.

Effective use of computers in multiple criteria decision making and risk analysis requires proper planning for the application software, which itself is a multicriteria decision making process. In this round table discussion, we will analyze conflicting objectives in software system design and investigate approaches to formulating a decision making model.

Resonant Three-Wave Mixing in Semiconductor Structures of Reduced Dimensionality

  • Burstein E.
  • Jiang M.
  • Pinczuk A.

We are exploring resonant three-wave mixing as a spectroscopic probe of interband and intersubband excitations at semiconductor surfaces and interfaces (eg, Heterojunctions) and in quantum wells.

End-Customer Management of Hybrid Networks

  • Meola K.
  • Verma K.

Integrated management of hybrid private/public networks is a rapidly emerging service opportunity for network providers. With the evolving multi-vendor, multi-provider, multi-technology environment, large telecommunications users face increasing cost and complexity to operate, maintain, and grow their networks. These hybrid networks demand integrated Network Management capabilities that combine premises- product controllers ...

Astrophysical Implications of Charged Particle Irradiation of Ices

  • Lanzerotti L.

Volatiles can be condensed on surfaces and as major constituents of astronomical objects, such as interstellar and interplanetary grains, planetary satellites, and comets. Condensed volatiles are important molecular constituents of the solar system and likely, the interstellar medium.