Moulding Defects Trouble Shooting Guide

1 Streaks due to air	2 Streaks due to moisture	3 Streaks due to overheating
4 White streaks	5 Flow lines	6 Ring
7 Surface imperfection	8 Record grooves	9 Radial streaks
10 Cold slug	11 Flow marks from centre	12 Specks
13 Black specks	14 Optical defect	15 Bubbles
16 Brown discolouration	17 Brown patches	18 Uneven cavity filling
19 Sprue break	20 Disc sticks to punch (stamper side)	21 Disc sticks to mirror (fixed side)
22 Rough centre hole	23 Broken disc	24 Inner diameter too small
25 Inner diameter too large	26 Dishing angle too large	27 Disc too thick
28 Disc too thin	29 Drooling nozzle	30 Birefringence too high
31 HF signal too low	32 Block error rate too high	33 Radial noise too high
34 Asymmetry too high	35 Push-pull signal too high	36 Runner stays on disc
37 Flash at outer edge

My E-mail Address

           This transmission and the information it contains including any attachment, is confidential and may be subject to legal privilege.
If you are not the intended recipient, you must not peruse, use, disseminate, disclose or copy this transmission.

Compact Disc ROM Technology