K. Rajanna

Publication List Details

Period

1980 - 9999

Number

49

Co-Authors

Metal-oxide thin film with Pt, Au and Ag nano-particles for gas sensing applications (2005)

Mishra, Rahul, Rajanna, K

In this paper, we report an experimental study carried out to synthesize noble-metal nanoparticles on a polycrystalline ZnO film for gas sensing applications. The necessary process parameters are...

Diaphragm-type acoustic sensor based on sputtered piezoelectric thin film (2005)

Garg, A, Rajanna, K

In this paper, we report the development of a low-cost acoustic sensor using piezoelectric ZnO thin film deposited onto a thin stainless-steel diaphragm. The details of the diaphragm and the...

Metal-oxide thin film with Pt, Au and Ag nano-particles for gas sensing applications (2005)

Mishra, Rahul, Rajanna, K

In this paper, we report an experimental study carried out to synthesize noble-metal nanoparticles on a polycrystalline ZnO film for gas sensing applications. The necessary process parameters are...

Diaphragm-type acoustic sensor based on sputtered piezoelectric thin film (2005)

Garg, A, Rajanna, K

In this paper, we report the development of a low-cost acoustic sensor using piezoelectric ZnO thin film deposited onto a thin stainless-steel diaphragm. The details of the diaphragm and the...

Tactile Sensor Based on Piezoelectric Resonance (2004)

Krishna, Murali G, Rajanna, K

We discuss here the realization of tactile sensors based on the principle of change in piezoelectric resonance frequency with the applied pressure. An array of electrodes has been adopted on either...

Tactile Sensor Based on Piezoelectric Resonance (2004)

Krishna, Murali G, Rajanna, K

We discuss here the realization of tactile sensors based on the principle of change in piezoelectric resonance frequency with the applied pressure. An array of electrodes has been adopted on either...

Development of a microstrip-based neutron detector (2004)

Desai, SS, Shaikh, AM, Radhakrishna, V, Rajanna, K

A gas-filled microstrip detector for thermal neutrons has been built and successfully tested in our laboratory. The detector has an active area of 20 mm x 15 mm and consists of alternate anodes and...

Thin-Film Strain Gauge Sensors for Ion Thrust Measurement (2004)

Stephen, John R, Rajanna, K, Dhar, Vivek, Kumar, Kalyan KG, Nagabushanam, S

In order to measure the thrust produced by a stationary plasma thruster, a measurement system has been developed using a thrust balance with thin-film strain gauge sensors. For this purpose, strain...

Development of a microstrip-based neutron detector (2004)

Desai, SS, Shaikh, AM, Radhakrishna, V, Rajanna, K

A gas-filled microstrip detector for thermal neutrons has been built and successfully tested in our laboratory. The detector has an active area of 20 mm x 15 mm and consists of alternate anodes and...

Thin-Film Strain Gauge Sensors for Ion Thrust Measurement (2004)

Stephen, John R, Rajanna, K, Dhar, Vivek, Kumar, Kalyan KG, Nagabushanam, S

In order to measure the thrust produced by a stationary plasma thruster, a measurement system has been developed using a thrust balance with thin-film strain gauge sensors. For this purpose, strain...

Effect of pressure on the phase transition behavior of ammonium nitrate (2004)

Mondal, TK, Shivaprakash, NC, Rajanna, K

Ammonium nitrate (AN) is used as oxidizer in solid propellants, explosives, gas generator systems and also as a fertilizer. The AN crystallizes in five polymorphic phases that appear at different...

Effect of pressure on the phase transition behavior of ammonium nitrate (2004)

Mondal, TK, Shivaprakash, NC, Rajanna, K

Ammonium nitrate (AN) is used as oxidizer in solid propellants, explosives, gas generator systems and also as a fertilizer. The AN crystallizes in five polymorphic phases that appear at different...

Study on microstrip position sensitive detector with meandering resistive structure for the charge division method (2003)

Radhakrishna, V, Rajanna, K, Desai, SS, Shaikh, AM

Microstrip position sensitive detectors based on "charge division method" have been developed. In order to increase the resistance between two successive anodes, a meandering resistive strip...

Study on microstrip position sensitive detector with meandering resistive structure for the charge division method (2003)

Radhakrishna, V, Rajanna, K, Desai, SS, Shaikh, AM

Microstrip position sensitive detectors based on "charge division method" have been developed. In order to increase the resistance between two successive anodes, a meandering resistive strip...

Thin Film Strain Gauge Sensors for ion Thrust Measurement (2002)

Stephen, John R, Rajanna, K, Dhar, Vivek, Kumar, Kalyan KG, Nagabushanam, S

In order to measure the thrust produced by a Stationary Plasma Thruster, a measurement system has been developed using a thrust balance with thin film strain gauge sensors. For this purpose, strain...

Tactile Sensor Based on Piezoelectric Resonance (2002)

Krishna, Murali G, Rajanna, K

We discuss the realization of tactile sensor based on the principle of change in piezoelectric resonance frequency with applied pressure. An array of electrodes has been adopted on either side of the...

Thin Film Strain Gauge Sensors for ion Thrust Measurement (2002)

Stephen, John R, Rajanna, K, Dhar, Vivek, Kumar, Kalyan KG, Nagabushanam, S

In order to measure the thrust produced by a Stationary Plasma Thruster, a measurement system has been developed using a thrust balance with thin film strain gauge sensors. For this purpose, strain...

Tactile Sensor Based on Piezoelectric Resonance (2002)

Krishna, Murali G, Rajanna, K

We discuss the realization of tactile sensor based on the principle of change in piezoelectric resonance frequency with applied pressure. An array of electrodes has been adopted on either side of the...

Deep reactive ion etching of silicon carbide (2001)

Tanaka, S, Rajanna, K, Abe, T, Esashi, M

In this article, we describe more than 100-\mu m-deep reactive ion etching (RIE) of silicon carbide (SiC) in oxygen-added sulfur hexafluoride (SF6) plasma. We used a homemade magnetically enhanced,...

Strain gauge based thrust measurement system for a stationary plasma thruster (2001)

Stephen, John R, Rajanna, K, Dhar, Vivek, Kumar, Kalyan KG, Nagabushanam, S

A thrust measurement system has been developed for the purpose of measuring the thrust produced by a stationary plasma thruster. The measurement system designed and fabricated mainly consists of a...

Development of a microstrip gas chamber to study the effect of drift gap on its performance (2001)

Radhakrishna, V, Rajanna, K, Desai, SS, Shaikh, AM

We present a new microstrip gas chamber design and a detailed experimental study of the effect of drift gap on its performance. The chamber has the provision to vary the drift gap in situ which...

Development of a microstrip gas chamber to study the effect of drift gap on its performance (2001)

Radhakrishna, V, Rajanna, K, Desai, SS, Shaikh, AM

We present a new microstrip gas chamber design and a detailed experimental study of the effect of drift gap on its performance. The chamber has the provision to vary the drift gap in situ which...

Deep reactive ion etching of silicon carbide (2001)

Tanaka, S, Rajanna, K, Abe, T, Esashi, M

In this article, we describe more than 100-\mu m-deep reactive ion etching (RIE) of silicon carbide (SiC) in oxygen-added sulfur hexafluoride (SF6) plasma. We used a homemade magnetically enhanced,...

Development of a microstrip gas chamber to study the effect of drift gap on its performance (2001)

Radhakrishna, V, Rajanna, K, Desai, SS, Shaikh, AM

We present a new microstrip gas chamber design and a detailed experimental study of the effect of drift gap on its performance. The chamber has the provision to vary the drift gap in situ which...

Strain gauge based thrust measurement system for a stationary plasma thruster (2001)

Stephen, John R, Rajanna, K, Dhar, Vivek, Kumar, Kalyan KG, Nagabushanam, S

A thrust measurement system has been developed for the purpose of measuring the thrust produced by a stationary plasma thruster. The measurement system designed and fabricated mainly consists of a...

Strain sensitivity and temperature behavior of invar alloy films (2000)

Rajanna, K, Nayak, MM

The electrical resistance–strain characteristics of Invar films has been studied for their possible application as strain gauges. The Invar films were prepared by sputtering technique and the...

Strain sensitivity and temperature behavior of invar alloy films (2000)

Rajanna, K, Nayak, MM

The electrical resistance–strain characteristics of Invar films has been studied for their possible application as strain gauges. The Invar films were prepared by sputtering technique and the...

Fatigue Fracture Surface Analysis in C45 Steel Specimens Using X-Ray Fractography. (1998)

Rajanna, K., Kolster, B. H., Pathiraj, B.

X-ray fractography has been used to study the fatigue fracture behavior of a medium carbon steel of C45 grade in various heat treated conditions; the different trends observed in the residual stress...

Suitability of Mn-SiO2 Cermet Films for Strain Gauge Application. (1998)

Rajanna, K., Srinivasulu, S., Nayak, M. M., Mohan, S.

Cermet films are basically metal-dielectric composites. They are known to offer controlled high resistivities, predictable temperature coefficient of resistance (TCR) and good stability in their...

Low-cost thin film pressure transducer (1997)

Rajanna, K, Nayak, MM, Krishnamurthy, R, Mohan, S

A flat diaphragm type pressure transducer with an anodised insulating layer and thin Pt-film as a strain gauge has been designed and made. Thepapergives details of the diaphragm and the information...

Low-cost thin film pressure transducer (1997)

Rajanna, K, Nayak, MM, Krishnamurthy, R, Mohan, S

A flat diaphragm type pressure transducer with an anodised insulating layer and thin Pt-film as a strain gauge has been designed and made. Thepapergives details of the diaphragm and the information...

X-ray fractography studies on austenitic stainless steels (1996)

Rajanna, K., Pathiraj, B., Kolster, B.H.

In this investigation, the fracture surfaces of SS 304 and SS 316 austenitic steels were analysed using the X-ray fractography technique. In both cases, a decrease in the austenite content was...

Some studies on the influence of stress ratio and test temperature on X-ray fractography observations in C45 steel specimens (1996)

Rajanna, K., Pathiraj , B., Kolster, B.H.

This paper deals with additional ¿X-ray fractography¿ observations made on C45 steel, subsequent to the earlier work [K. Rajanna, B. Pathiraj and B. H. Kolster, Fatigue fracture surface analysis in...

X-ray fractography studies on austenitic stainless steels (1996)

Rajanna, K., Pathiraj, B., Kolster, B.H.

In this investigation, the fracture surfaces of SS 304 and SS 316 austenitic steels were analysed using the X-ray fractography technique. In both cases, a decrease in the austenite content was...

Some studies on the influence of stress ratio and test temperature on X-ray fractography observations in C45 steel specimens (1996)

Rajanna, K., Pathiraj, B., Kolster, B.H.

This paper deals with additional ¿X-ray fractography¿ observations made on C45 steel, subsequent to the earlier work [K. Rajanna, B. Pathiraj and B. H. Kolster, Fatigue fracture surface analysis in...

X-ray fractography studies on austenitic stainless steels (1996)

Rajanna, K., Pathiraj, B., Kolster, B.H.

In this investigation, the fracture surfaces of SS 304 and SS 316 austenitic steels were analysed using the X-ray fractography technique. In both cases, a decrease in the austenite content was...

Some studies on the influence of stress ratio and test temperature on X-ray fractography observations in C45 steel specimens (1996)

Rajanna, K., Pathiraj, B., Kolster, B.H.

This paper deals with additional ¿X-ray fractography¿ observations made on C45 steel, subsequent to the earlier work [K. Rajanna, B. Pathiraj and B. H. Kolster, Fatigue fracture surface analysis in...

Effect of strain and temperature on the behavior of oxygen ion implanted manganese films (1994)

Rajanna, K, Muralidhar, GK, Nair, KGM, Panchapagesan, T, Nayak, MM, Mohan, S

The strain sensitive and temperature behavior of the oxygen ion implanted manganese films have been studied for their possible application as strain gauges. Films were subjected to different ion...

Effect of strain and temperature on the behavior of oxygen ion implanted manganese films (1994)

Rajanna, K, Muralidhar, GK, Nair, KGM, Panchapagesan, T, Nayak, MM, Mohan, S

The strain sensitive and temperature behavior of the oxygen ion implanted manganese films have been studied for their possible application as strain gauges. Films were subjected to different ion...

Pressure Transducer with Au-Ni Thin-Film Strain Gauges (1993)

Rajanna, K, Mohan, S, Nayak, MM, Gunasekaran, N, Muthunayagam, AE

Abstract-The behavior of a pressure transducer with Au-Ni (89:11) film as strain gauges have been studied. The effects of post-deposition heat treatment on the resistance of the thin-film strain...

Pressure Transducer with Au-Ni Thin-Film Strain Gauges (1993)

Rajanna, K, Mohan, S, Nayak, MM, Gunasekaran, N, Muthunayagam, AE

Abstract-The behavior of a pressure transducer with Au-Ni (89:11) film as strain gauges have been studied. The effects of post-deposition heat treatment on the resistance of the thin-film strain...

Thin-film pressure transducer with manganese film as the strain gauge (1990)

Rajanna, K, Mohan, S, Nayak, MM, Gunasekaran, N

The performance of a thin-film pressure transducer with manganese film as the strain gauge is presented. The construction details of the pressure transducer diaphragm assembly are given. The process...

Thin-film pressure transducer with manganese film as the strain gauge (1990)

Rajanna, K, Mohan, S, Nayak, MM, Gunasekaran, N

The performance of a thin-film pressure transducer with manganese film as the strain gauge is presented. The construction details of the pressure transducer diaphragm assembly are given. The process...

Strain-sensitive Properties of Vacuum Evaporated Manganese Films (1989)

Rajanna, K, Mohan, S

Manganese films have been studied with respect to strain gauge applications, and the criteria for choosing manganese are highlighted. The resistance-strain characteristics of the films have been...

Strain-sensitive Properties of Vacuum Evaporated Manganese Films (1989)

Rajanna, K, Mohan, S

Manganese films have been studied with respect to strain gauge applications, and the criteria for choosing manganese are highlighted. The resistance-strain characteristics of the films have been...

Studies on Meandering Path Thin-Film Strain Gauge (1988)

Rajanna, K, Mohan, S

The versatility of thin-film technology coupled with the photolithography technique for pattern formation is made use of for preparing meandering path copper-film strain gauges. The strain-sensitive...

Studies on Meandering Path Thin-Film Strain Gauge (1988)

Rajanna, K, Mohan, S

The versatility of thin-film technology coupled with the photolithography technique for pattern formation is made use of for preparing meandering path copper-film strain gauges. The strain-sensitive...

White light holographic interferometry (1980)

Swaminadham, M, Rajanna, K

One characteristic of conventional holograms is that they require coherent light source for reconstruction and the images thus retrieved are of single colour. In contrast, white light holograms when...