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To: kolo55 who wrote (7294)	1/21/1999 1:06:00 PM
From: Zeev Hed	Read Replies (1) \| Respond to of 27311

Paul, yield correlates somewhat to size in laminating processes as well (it is more difficult to maintain perfect parallelism when the aspect ratio , namely length/width vs thickness increases to 100 to 1 or more as in batteries 10 cm long and 1 mm thick), but not the way yields decrease in semi production where the final yield is the product of the yields in each step, which could be as high as 25 steps. I presume that the number of sequential "steps" in a battery is no more then 5, some of which are not really critical. On the other hand, the intrinsic yield per step in batteries is probably much lower than in wafer production since you are handling pastes, adhesives and chemically complex electrodes in the lamination process, but the difference in yields between a 2 cm battery and a 10 cm should not be a factor of 5 as the size would indicate. The yield in this process is probably as amenable to "learning curve" techniques as are wafer processes, IMHO. Zeev

To: kolo55 who wrote (7294)	1/21/1999 4:17:00 PM
From: add	Read Replies (1) \| Respond to of 27311

Yeah, Lithium tech. wants to respond: Thursday January 21, 8:06 am Eastern Time Company Press Release SOURCE: Lithium Technology Corporation Lithium Technology Corporation Produces 90Wh Battery Prototype On Pilot Line PLYMOUTH MEETING, Pa., Jan. 21 /PRNewswire/ -- Lithium Technology Corporation (''LTC'', ''The Company'') (OTC Bulletin Board: LITH - news) announced today that it has successfully produced on its pilot manufacturing line a 90 watt hour battery prototype for notebook computers and other portable electronics applications. LTC's unique technology is based on the use of fiber web substrates in the construction of battery cells and in the thin film production process which enables high yield, low cost coating and laminating operations. Since early 1998, the Company has focused on a customized 90Wh battery for a potential notebook computer application. On January 20, 1999, the Company delivered to a globally prominent PC OEM the first battery prototype, which is approximately 8 x 12 inches, 1/4 inch thick and can provide run times for up to 10 hours. Based on continuing price declines in the global notebook PC market, the OEM has decided to cancel the advanced high-end notebook product for which this 90Wh battery was intended. However, the OEM remains convinced that the thin, flat, lightweight batteries inherent in lithium-ion polymer technology will provide a differentiation in the marketplace, and thus intends to continue to work with LTC to infuse this technology into a next generation of notebook products due for release in late 1999 or early 2000. LTC continues to discuss development of similar specific battery prototypes with a variety of other OEMs for notebook computer, cell phone, portable medical device and palmtop multimedia terminal applications. LTC's Executive Vice President of Operations and Chief Technical Officer, Dr. George R. Ferment, stated: ''The delivery of this prototype using production-run cells validates the advantages of our battery and process technology and reflects a tremendous team effort on the part of our R&D and manufacturing groups. We are pleased with the performance of our pilot line and the large qualification cells produced to date.'' LTC President, David J. Cade, added: ''This important milestone moves the Company's manufacturing process and product technology forward to the brink of commercialization, and adds a significant measure of credibility in our interaction with other potential OEM partners and manufacturing partners.'' Lithium Technology Corporation is in the late stages of developing and seeking to commercialize a new generation of solid state rechargeable batteries for portable electronics devices, such as notebook computers, cell phones and medical equipment. The Company's patented and proprietary technology uses high performance fibers in composite battery structures and low cost continuous flow fiber web coating and handling processes for manufacturing. These new batteries represent a significant benefit to the end-user in terms of longer run times and thinner, flatter, lighter-weight form factors. The foregoing information contains forward-looking statements which involve risks and uncertainties relating to such matters as financial performance, technology development, business prospects and similar matters. A variety of factors could cause LTC's actual results and experience to differ materially from anticipated results or other expectations expressed in these forward-looking statements. SOURCE: Lithium Technology Corporation