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Laser Rot
Well, Laser Rot is a problem important enough to deserve a dedicated page.
Metal Layer Oxydation (also called laser rot) is the plague of LDs. Impossible
to forecast, useless to fight, it can happen anytime during the lifetime of a disc.
Hopefully not all LD titles manufactured are suffering from this disease and some Factories
are more famous than others on this issue (SONY DADC being #1).
| Current Status |
12376 reports on 6483 titles
representing 0.92% of total collections |
Top 100 LDs
(realtime) |
- Eraser [14202] (17290)
- Air Force One: Special Edition [71886] (11988)
- Starship Troopers [71716] (7130)
- Cable Guy, The [82426] (5136)
- Ace Ventura: When Nature Calls [23500] (5014)
- Jumanji [11746] (4770)
- Net, The [11616] (4200)
- Men in Black [82656] (4171)
- Contact: Special Edition [15041] (4136)
- Copycat [14168] (3780)
- Beauty and the Beast: Work in Progress [1591 CS] (3145)
- Under Siege 2: Dark Territory [13665] (3080)
- Lost Highway [ID3946PG] (2952)
- Fargo [800638693-1] (2660)
- Professional, The [74746] (2624)
- Striptease [84976] (2496)
- Shawshank Redemption, The [74596] (2418)
- Fugitive, The [21000] (2380)
- Dante's Peak [43311] (2178)
- Demolition Man [12985] (2142)
- Heavy Metal [74656] (1980)
- Game, The [ID4260PG] (1647)
- Batman Returns [15000] (1566)
- Fifth Element, The [82406] (1539)
- Volcano [0603985] (1363)
- Fan, The [82476] (1357)
- Johnny Mnemonic [73476] (1296)
- Star Wars Trilogy: Definitive Collection [0693-84] (1092)
- Multiplicity [82446] (946)
- Ace Ventura: Pet Detective [23000] (945)
- Willow [79356] (940)
- Gattaca [82646] (860)
- Boot, Das (The Boat) [99916] (760)
- Bad Boys [10716] (741)
- Devil's Own, The [82466] (720)
- Fair Game [14072] (684)
- Aliens: Special Widescreen Collector's Edition [1504-85] (672)
- First Knight [71176] (663)
- Batman & Robin [16500] (660)
- I Know What You Did Last Summer: Special Edition [23926] (646)
- Hunchback of Notre Dame, The [7955 AS] (561)
- The Beatles: Let It Be [4508-80] (555)
- ABBA [74-006] (518)
- To Die For [73436] (510)
- Fire Down Below [14914] (480)
- Barb Wire [800639927-1] (480)
- Lethal Weapon 2 [11876] (476)
- Anaconda [81756] (468)
- Gunsmith Cats Chapter: vol.1 [CAVGS/001] (442)
- Dolores Claiborne [59906] (434)
- Planet Earth: The Complete Series [E2939] (430)
- Alien: Special Widescreen Collector's Edition [1090-85] (396)
- Buck Rogers in the 25th Century [13-002] (396)
- Blade Runner: Special Edition [CC1120L] (396)
- Crimes of Passion: Special Edition [LVD9523] (392)
- Maximum Risk [27416] (390)
- Mute Witness [41176] (372)
- Dire Straits: Brothers in Arms [080 166-9] (370)
- Eurythmics: Live [080 220-1] (364)
- Donnie Brasco [82516] (364)
- Blade Runner: Director's Cut [12682] (364)
- I Come in Peace [LVD9603] (360)
- Craft, The [82416] (351)
- Hoodlum [ML106282] (351)
- Double Team [83236] (348)
- Gwendoline (Perils of Gwendoline) [G78F5010] (324)
- Dracula: Dead and Loving It [80096] (322)
- Tin Cup [14318] (319)
- Hook [70606] (312)
- Kate Bush: The Whole Story [080 504-1] (308)
- Batman Begins [80924] (297)
- Blade Runner: 5-Disc Complete Collectors Edition [118573] (288)
- Star Trek I: The Motion Picture [LVH 2011] (288)
- Indian in the Cupboard, The [11646] (288)
- Last Action Hero [27936] (286)
- Jerry Maguire [82536] (276)
- Muppet Treasure Island [7076 AS] (270)
- 300 [113764] (270)
- WarGames [4714-80] (264)
- Disclosure [13575] (264)
- Grumpier Old Men [14191] (264)
- Star Wars: The Phantom Menace [PILF-2830] (252)
- Indiana Jones: Raiders of the Lost Ark [LV 1376] (250)
- Star Wars: A New Hope [1130-70] (250)
- Casablanca [79208] (248)
- Grosse Pointe Blank [10040 AS] (240)
- Psycho [11-003] (234)
- Desperado: Special Edition [11656] (231)
- Hamlet [94996] (231)
- Matilda [86866] (230)
- Video Standard, A [LD-101] (225)
- Abyss, The: Special Edition [1988-85] (220)
- Ghostbusters: Special Edition [CC1181L] (220)
- Matrix, The: Complete Trilogy [115974-92-TPON] (217)
- Switchblade Sisters: Special Edition [RT1001L] (216)
- Dirty Dancing [ID5172] (207)
- Charlie and the Chocolate Factory [80926] (203)
- Blob, The [ID6270TS] (198)
- Raw Deal [LVD9545] (198)
- 300 [120112] (196)
"Score" is defined as (Rot Level x Nb of Reports)
|
Top 10 Makers
(realtime) |
- DADC USA (2391)
- Pioneer USA (2008)
- PDO UK (1679)
- Pioneer Japan (1173)
- 3M or IMATION (685)
- Mitsubishi (430)
- Kuraray (393)
- DiscoVision (MCA) (318)
- Technidisc (285)
- Cinram USA (IFPI 2U**) (198)
Ranking is defined as Nb of Reports/Factory
|
Note that humidity/water do not provoke laser rot. I sadly had a water disaster in my basement
and some of my LDs spent 8 hours half immersed in freezing water. Except for the damaged covers
and inserts, the disc are still playing nicely.
The main consequence of rot are those "multicolor video speckles/lines" appearing randomly
on your screen and becoming more visible at the start or at the beginning of a side.
A stronger consequence can also affect the Digital Audio Tracks that will play with "clicks"
and sometimes become completely mute for a few 10th of second because the data is so distored that it
has no more meaning for your A/V Amp. This happened to me on Princess Bride CRITERION.
The final effect of a deadly rot will be a completely unwatchable LD. The player simply
won't find it's start/timing/chapter sequence and give up playing after several tentatives.
Note that 8" LD Single do not use glue to keep the two sides together and should not
be affected by laser rot. None reported so far.
Also, rot is disc/side dependant and could affect Side A while Side B remains untouched.
People with access to several copies of the same set might sometimes be able to "reconstruct"
a rot-free full set by checking each disc individually and selecting only the good ones.
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