SHELL MAKING

- PREPARING EAR IMPRESSION 

- IMPRESSION IS PLACED IN A CUP

- SILICONE IS LEFT TO DRY FOR A FEW MINUTES

- AFTER CUTTING, IMPRESSION IS BUFFED

- IMPRESSION WILL BE REMOVED FROM SOLIDIFIED DUPLICOID

- ACRYLIC WILL BE CURED IN UV CHAMBER

- THE HEARING AID SHELL

ASSEMBLY AND TESTING

- PREPARING THE COMPONENTS TO BE ASSEMBLED

- SHELL IS INSPECTED IF IT MET THE SPECIFIED LENGTH

- UV LIGHT IS USED TO DRY THE ACRYLIC AND TO COMPLETE THE VENT 

- HOLES ARE MADE TO THE PLATE FOR THE COMPONENTS

- CIRCUIT IS NOW PREPARED

- CIRCUIT IS INSPECTED AND PREPARED FOR ASSEMBLY OF THE PLATE AND SHELL

- SHELL AND PLATE IS ATTACHED TOGETHER

- PLATE WILL BE FURTHER GRINDED AND BUFFED

- HEARING AID SOFTWARE IS PREPARED TO TEST THE HEARING AID

- TEST IS PRINTED OUT FOR THE AUDIOLOGIST

ENGRAVING

- DIP THE IMPRESSION IN SPECIAL WAX TO AVOID FROM STICKING TO SILICONE

- CUP IS FILLED WITH SILICONE

- IMPRESSION IS TAKEN FROM SOLIDIFIED SILI AND CUT TO SPECIFIED STYLE

- IMPRESSION WILL BE FILLED WITH DUPLICOID MATERIAL

- DUPLICOID IS FILLED WITH ACRYLIC MAT'L

- SOLIDIFIED ACRYLIC TAKEN OUT OF THE DUPLI MAT'L

 -SHELL IS TRIMMED TO SPECIFIC LENGTH

- VENT WILL BE ADDED TO SHELL USING ACRYLIC MAT'L

- VENT IS INSPECTED IF IT MET THE CRITERIA

- COMPONENTS ARE NOW INSERTED TO THE HOLES

- CIRCUIT IS SOLDERED TO THE PLATE

- SHELL IS NOW APPLIED WITH ADHESIVE

- PLATE IS CUT TO THE SHAPE OF THE BASE OF THE SHELL

- HEARING AID IS PREPAIRED FOR TESTING

- HEARING AID IS TESTED AND PROGRAMMED TO MEET THE CRITERIA