How long did diffusion take for the diffusion temperature

Assignment Help Electrical Engineering
Reference no: EM13286041

A boron diffusion into a 1 -ohm-cm n type wafer results in a Gaussian profile with a surface concentration of 5 x 10^18/cm^3 and a junction depth of 4um.
a)how long did the diffusion take if the diffusion temperature was 1100 degrees C?
b)what was the sheet resistance of the layer?
c)what is the dose in the layer?

Reference no: EM13286041

Questions Cloud

What level of working capital does blackwell automotive have : It also has accounts receivables of $130,584 and other current assets of $11,223. What level of working capital does Blackwell Automotive have?
Find what is the sheet resistance of the two diffusions : A phosphorus diffusion has a surface concentration of 5 x 10^18/cm^3,and the background concentration of the p type wafer is 1 x 10^15/cm^3.The Dt product for the diffusion is 10^-8 cm^2.
What is the required resistance of an immersion heater : What is the required resistance of an immersion heater that will increase the temperature of 0.50 kg of water from 10.0°C to 50.0°C
What is the weighted average beta of a portfolio : What is the weighted average beta of a portfolio with $75,000 invested in Company A with a beta of 1.35, $125,000 invested in Company B which has a beta of 1.8, $25,000 in Company C with a beta of .65, and $85,000 in Company D which has a beta of ..
How long did diffusion take for the diffusion temperature : A boron diffusion into a 1 -ohm-cm n type wafer results in a Gaussian profile with a surface concentration of 5 x 10^18/cm^3 and a junction depth of 4um. a)how long did the diffusion take if the diffusion temperature was 1100 degrees C
How much power is required to operate the player : A certain compact disc player draws a current of 340 mA at 27.0 V. How much power is required to operate the player
How much heat is lost per hour : In very cold weather, a significant mechanism for heat loss by the human body is energy expended in warming the air taken into the lungs with each breath. How much heat is lost per hour if the respiration rate is 19.0 breaths per minute
Write an mips assembly language program to calculate : Write an MIPS assembly language program to calculate (2* ! N ) where ! is the factorial of a given positive integer N using loop.
What is the irr for each of these projects : NPV versus IRR. Framing Hanley, LLC, has identified the following two mutually exclusive projects.

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Determine the fundamentals periods t1and t2 of signals

Given x1(t)=cos(t), x2(t)=sign(pt) and x3(t)=x1(t)+x2(t). (a) Determine the fundamentals periods T1and T2 of signals x1(t) and x2(t). (b) Show that x3(t) is not periodic, which requires T3=k1T1=k2T2 for some integer k1 and k2.

  How much power is lost in the form of heat in the system

A stereo draws 2.4A at 120V. The audio output power is 50W. a)how much power is lost in the form of heat in the system b)what is the efficiency of the system

  How to draw a linear graph including the 5 steps over 10ms

DC supply=18v Motor Noload speed=9,000RPM 018V ton=40% -60% in 10ms in 5 steps a) Calculate B for each of the 5 steps b) calculate Vavrage over 10ms c)calculate no load speed d)draw a linear graph including the 5 steps over 10ms

  Compute the correlation coefficient of two channels

Compute the correlation coefficient of two channels with frequency separation of 100 kHz and temporal separation 5 ms. Assume that the maximum Doppler shift of the channels is f_d=kv=100Hz and the rms delay spread is S_tao=1 µs.

  For how long would device tie up bus when transferring block

Consider a system in which a data transfer over a bus takes 500 ns. Transfer of bus control in either direction, from processor to I/O device or vice versa, takes 250 ns. One of the I/O devices has a data transfer rate of 50 KB/s and employs DMA.

  Explain radio systems

Radio Systems, In design of radio systems that incorporate wireless networks, considerations must be taken such as user access, transmission direction, switching and signal strength.

  Determine the second order partial differential equation

(a) If E=Exax andH=Hyay, begin with Maxwell's equations anddetermine the second order partial differential equation that Ex must satisfy. (b) Show that Ex=E0 cos (ωt-βz) isa solution of that equation for a particular value of β.

  Find the magnitude of the force on each charge

A charge q is located at each corner of an equilateral triangle of side a. Find the magnitude of the force on each charge. Sketch the directions of forces.

  Determine transfer function for first order low pass filter

Determine the transfer function for a first order low pass filter with a cutoff frequency of 1000 radians/sec (note radians and not Hertz) and a pass band gain of 1 using the following types. (a) Butterworth type

  How receiving end maintains a constant load power factor

The SV curve can be used to understand the impact of constant power factor shunt compensation support. In this case, the receiving end is injected with a specific amount of reactive power so that the receiving end maintains a constant load power f..

  What are the majority and minority carrier concentrations

A silicon sample is 85x10^-6 m in length and has a cross-section of 20x10^-6 m x 6x10^-6 m. It has been uniformly doped with Arsenic with a doping density of 4.5x10^15 cm^-3. Assume the temperature is 300K and mobilities are u_n = 1300 cm^2/Vs and..

  What is approximate time taken by the car to reach electrode

A charge of 4 micro-Coulomb is applied to the surface of the car. If the car travels a distance of 2 meter between the two electrodes, and if the mass of the car is 200 grams, then what is the approximate time taken by the car to reach the second ..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd