We have had maybe 1 DVD with hub damage out of thousands of checkouts.
The other advantage is that the staff can see if there is a DVD inside
without opening the case.
Audio Visual/ITV Center
San Francisco State University
San Francisco CA 94132-4200
On Thursday, December 9, 2004, at 08:17 AM, Mercure, Jeanette wrote:
> Our library would be most interested in putting these on our entire
> collection. We are seeing a lot of hub damage and then the cracking
> usually radiates into the data part after awhile.
> Jeanette Mercure
> Newington Library
> -----Original Message-----
> From: email@example.com
> [mailto:firstname.lastname@example.org] On Behalf Of
> Sent: Thursday, December 09, 2004 12:27 AM
> To: Videolib@library.berkeley.edu
> Subject: [Videolib] Re: Need to repair DVD center hole - is this
> We have been looking at a manufacturer of a product like you described.
> The product is placed in the center hub area when, or preferably
> cracks start to appear. We have seen this as a problem in some of our
> repair orders and there is nothing we can presently do to fix this type
> damage. Additionally, when we make a repair to both sides of a
> double-sided DVD, the identifying information is often removed. We
> looking at this as a way to identify as well as protect discs. The
> problem occurs when the cracks start to expand into the data zone of
> DVD. Once this happens, it becomes impossible to play the disc. What
> have experienced is similar to this in that the center hub has cracked
> deteriorated to the point that the player can't spin the disc.
> The hub area protection consists of a metallized polyester. We placed a
> couple of the samples on cracked DVDs and it does offer a very strong
> protection against further damage to the center of the disc. In fact,
> folded and cracked a couple discs and the hub label protection was the
> only remaining thing that held the disc together! They claim the
> permanent adhesive can resist heavy handling and high temperatures that
> might result from the spin of the disc in a player.
> If we purchased their specialized printer, they indicate we would have
> ability to reproduce identifying names, logos, addresses or telephone
> numbers as well as provide bar coding to further enhance security.
> We have heard from many customers regarding the discussion on the 3M
> overlays and issues with play. These hub labels would provide a level
> security since they are permanent identifiers. Since they are small,
> is my understanding that they would do so without disturbing the play
> and possible warping that occurs with the 3M security tabs.
> Unfortunately, don't produce a product that allows for RFI security at
> We polled some of our existing customer base and couldn't determine a
> enough demand from that sample to justify the volume/costs of the
> at that time. We were looking at a cost matrix per label of $0.35 each
> for minimum orders of 100, $0.30 each for quantities of 250, 500 or
> and $0.25 each for orders larger than 1000. If we determined that the
> demand was high enough, we would look further at offering this product.
> I would be greatly interested in hearing from you and others to see if
> this is something that they believe is a problem and would be
> in this product if we offered it. Would you be interested in placing
> hub labels on all the discs? What quantity of discs would you be
> interested in applying this product to?
> Look forward to your response,
> David Wright
> Videolib mailing list
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