Progress Report 2

BioE 450W Progress Report No: Report #2

Optimized Fabrication System of Rat Cochlear Electrode Array

Date: March 26, 2007

Submitted to: Dr. Clement

Group: Team D.A.T.E.K.S.

Reporting Period: February 26-March 26, 2007

Overall Objectives of the Project: The purpose of this project is to introduce a more optimized manufacturing process of rat cochlear electrode arrays through the design of a silicone injection mold to form the carrier for the electrode array. This will replace the current hand-fabrication techniques of wire winding and micro-wire silicone coating application.

Progress Summary since Last Report:

	All material ordered for our group has been received.
	Drew and Kavil obtained training at the Learning Factory in the machining workshop on February 27^th.
	Determined that a “stepper” is required for learning factory CNC machine to boost drill revolutions per minute.
	A 250μm channel was cut into a piece of aluminum using a K&S dicing saw
	SolidWorks design for aluminum mold was completed.

Progress Planned Until Next Report:

	A stepper will be obtained from the Industrial Engineering Department
	A prototype of the actual design will be ready for testing.
	Impedance testing on the electrodes will be completed.

Detail expenses and acquired equipment to date:

Microflame Two-Gas Torch (Sponsor provided)

Micronox Cylinders (2 pack) - $39.00

Butane Cylinders (2 pack) - $39.92

S/S Needle W. Luer Hub 25G x 1' (25 pack) - $8.95

10 Extra Mixing Tips - $26.00

All drill and milling tips - $378.48

Information Needed from Sponsor: None

Time Schedule:

	The impedance testing has been delayed due to equipment problems
	Fabrication of mold has not been completed due to difficulties in obtaining required equipment
	All other deadlines are as scheduled

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