Purpose The response to radiation typically used in radiotherapy treatments has been
experimentally evaluated for three samples of two phototransistors (BPW85B and OP505A) …

This paper investigates the current mode response of four commercial NPN phototransistors
under gamma radiation exposure from Co-60 source, with the aim to evaluate their …

Radiation detector devices are of fundamental importance for diagnosing diseases and
helping to choose the most appropriate medical treatment. Zinc oxide (ZnO) thin films are not …

Propósito: En este trabajo se estudian dispositivos comerciales de propósito general como
sensores dosimétricos, como son fotorresistencias y fotodiodos, los cuales pueden ser …

Abstract Silicon photodetectors and MOSFETs (Metal-Oxide-Semiconductor Field Effect
Transistors) are frequently used devices for measuring ionizing radiation in health physics …

Computed tomography (CT) dosimetry normally uses an ionization chamber 100mm long to
estimate the computed tomography dose index (CTDI), however some reports have already …

Semiconductor electronic devices have been used as detector in X-ray beams for decades,
and the principle of operation is based on measuring the electrical current generated while …

Neste trabalho avaliou-se a resposta de dois fotodiodos comerciais BPW34 em quatro
qualidades de radiação RQR implantadas, de acordo com a norma IEC 61267, no …

As diretrizes básicas de proteção radiológica em diagnóstico médico e odontológico do
Ministério da Saúde publicada em 1998 seguiu as recomendações da Comissão Nacional …

Electrometers and ion chamber are normally used to make several types of measurements
in a radiation field and there is a unique voltage applied to each detector type. Some …