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Topic: Preform

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	Indium Corporation » Solder Preforms
		Preforms are available in a number of traditional shapes such as washers, discs, squares and rectangles.
		Die attach preforms are used to attach a silicon, germanium or III-V compound die to a substrate.
		Preforms are available in more than 220 alloys, with melting temperatures ranging from 47.0¡ to 1063¡.
	www.indium.com /products/solderfabrications/preforms.php (911 words)

	Stage 9
		This is a proximal fragment of a preform resulting from the Face B channel flake plunging into the body during removal (right image).
		The lateral edges of the preform are not symmetrical and, as a result, the channel flake scars are not symmetrical.
		Preforms similar to this with beveled, serrated edges are very rare in the archaeological record.
	www.ele.net /stage_9.htm (948 words)

	Method of manufacturing a continuous optical preform - Patent 4195980
		The preform may then be drawn to produce a length, typically 3 Km, of optical fibre, the ends of the preform then being discarded.
		The end portions of the preform 20 are removed by cutting at line A -- A and B -- B and the cut ends of the remaining centre portion of the preform are ground and polished perpendicular to the longitudinal axis of the preform.
		The heating of both forms of preform assembly to effect jointing is arranged so as to minimise any distortions which would tend to occur at the joints 34 or 43 between the preform rods.
	www.freepatentsonline.com /4195980.html (1106 words)

	Preform - LCM - RTM - Technology - IVW (Institut fuer Verbundwerkstoffe): Preforming
		A preform is a semi finished product manufactured to the exact shape of the mould before the impregnation.
		In the ideal case, a preform consists of a part, which is formed exclusively by single fiber type.
		Especially advantages are supposed to be obtained with respect to degree of complexity of the preform.
	www.ivw.uni-kl.de /en_preforming.8.html (379 words)

	Co-layer preform having an infrared energy absorbing material added to the inner layer to effect preferential heating - ...
		Thus, the inner preform, which is required to stretch more than the outer preform upon formation of the ultimate blow molded container, will be heated to a higher temperature than the outer preform upon exposure of the co-layer preform to infrared energy.
		As an inner preform in a co-layer preform, the PEN must be raised to a temperature sufficiently higher than, for example, an outer PET preform, such that the PET outer preform is caused to crystallize before the PEN inner preform is sufficiently hot to blow mold.
		It is observed that the inner preform successfully stretches to conform to the inner surface of the formed outer preform during the stretch blow molding process.
	www.freepatentsonline.com /6261656.html (1625 words)

	BGA Rework & Reballing Process \| Solder Preform Techniques
		The solder preform technique used for reballing area array devices is one of the methods used at BEST for the attachment of solder balls.
		After applying flux to the bottom of the part, the balls and part land patterns are aligned with a simple fixture holding the preform over the bottom of the device land patterns.
		Apply DI water to the backside of the preform until thoroughly soaked.
	www.solder.net /technical/preform.asp (340 words)

	Preform Direct
		The glue used to bond this substrate is to BS 1204: 1979 classification MR (moisture resistant and moderately weather resistant).
		The Preform Direct substrate conforms to BS 476 part 7 class 2 spread of flame.
		When used in conjunction with a fire retardant laminate or lacquer bonded with an appropriate adhesive system conformance to class 1 spread of flame is achieved.
	www.preformdirect.com /tech.asp (109 words)

	SolderQuik Ball Grid Array (BGA) Preform
		SolderQuik® BGA Preforms are effective for both initial attach, such as prototyping or small volume production runs, as well as rework, whether for reattach to the board, or for testing.
		The patented SolderQuik® BGA Preform consists of an array of solder spheres embedded in a patented water soluble carrier.
		The preform process relies on edge registration with the package to align the array on the package, and the self-centering characteristics of eutectic solder perfectly centers the solder balls to the pads during reflow.
	www.winslowautomation.com /bga.asp (884 words)

	Royle Systems Group
		The optical fiber preform is the basic component from which optical fiber is drawn and subsequently cabled.
		The preform is a solid rod made of an oxygenated compound of silicon, present in a great number of minerals, such as quartz, chalcedony and opal.
		Optex research determined that the primary preform as developed for the rod-in-tube process could be used as the primary preform for the new Hybrid process.
	www.roylesystems.com /products/pref.html (1913 words)

	Intravis GmbH - Application example: Preform inspection
		The system's three main components are the preform input device, the image processing system for optical inspection and the rejection system for defects.
		In addition to geometrical inspection of preform dimensions and finding specks, PreWatcher reads mould cavity numbers by which performs with a predefined number can be sorted out.
		Reprogramming for new preform types is not necessary – important settings are made by the push of a button.
	www.intravis.de /beispiele/preform/enindex.html (190 words)

	Title page for ETD etd-04232003-174133
		The computer model can be used to analyze the resin flow details, track the thickness change of the preform, predict the total infiltration time and final fiber volume fraction of the parts, and determine whether the resin could completely infiltrate and uniformly wet out the preform.
		The thickness change of the preform is determined by the relative magnitude of the springback and wetting deformation mechanisms.
		In the compaction model, the transverse equilibrium equation is used to calculate the net compaction pressure applied to the preform, and the compaction test results are fitted to give the compressive constitutive law of the preform.
	scholar.lib.vt.edu /theses/available/etd-04232003-174133 (629 words)

	PET Preform Making, PET Bottle Making
		This means the injection-molded preform is withdrawn from the injection cavity while still hot enough to be stretch blown to form the bottle.
		No extra heating is required, and since preforms are not stockpiled to be blown at a later date, but are freshly molded every time, there is no risk of surface damage from preforms knocking together during storage or transportation.
		The hot preform is simultaneously stretched and blown (thereby orienting the crystals of and strengthening the PET*) into a shaped blow mold to form a tough, lightweight container.
	www.kenplas.com /project/pet (2837 words)

	Fluted Folsom Point Preform (Site not responding. Last check: 2007-10-12)
		COPYRIGHT JANUARY 31, 2005 PETER A. This late stage Folsom preform was discovered in the Lake Ilo National Wildlife Refuge sometime between 1991 and 1992.
		The removal of the channel flake caused the preform to break from an overshot termination.
		This Folsom preform is made of red chert and it measures 1 7/8 inches (4.7 cm) long.
	lithiccastinglab.com /cast-page/2006februaryredfolsompreform.htm (135 words)

	PET and preform systems
		Using our patented rotating turret clamp with two sets of cores, the Index system is ideal for higher volume and heavier weight preform applications. With a 600 ton (6 000 kN) clamp it has the capacity to run molds from 32 to 216 cavities.
		Husky's preform molds are designed and built to produce the highest quality preforms and improved productivity.
		Preform molds are available from 2 to 216 cavities.
	www.husky.ca /petsystems-0-22.html (268 words)

	Composite Factory Directed Fiber Preform Technology and Equipmenet
		The preforms have superior wet-out characteristics versus woven reinforcements which means they are ideal for SRIM, VARTM, or RTM and you can still be certain of wetting-out the fibers, not just encapsulating them.
		The preform machine is substantially faster than its nearest competitor and has produced parts as large as 8 feet by 10 feet.
		The preform machine was used to produce structural bumper beams for GM at rates of one every 45 seconds.
	www.compositefactory.com /preforms.html (724 words)

	preform mould,preform moulds manufacturer and preform mould,preform moulds supplier--China Taizhou HuangYan Mega ...
		China Taizhou HuangYan Mega machinery Mold Co., Ltd. is a professional PET products, preform mould, preform moulds supplier in the PET bottle blow molding industry and in the plastic industry.
		Along with the increasing demand for PET container, the requirement of PET preform has accordingly become more and more, which leads many investors to set foot on the PET preform production field.
		To meet the different requirements for the PET preform from different customers, Mega has successfully developed advanced hot runner preform mold from 1 cavity to 48 cavities for standard neck PET.
	www.mega-machinery.com /preform_mould.htm (328 words)

	To Install (Site not responding. Last check: 2007-10-12)
		Preforms install quickly and easily and require no special equipment or training.
		PRISMA preforms can be primary bonded to your structure by placing the frames directly onto wet laminate and rolling tabs.
		Place preform in desired location on laminate, saturate main body with resin using spray, brush, roller, etc. Let resin "self-wet" preform.
	www.preforms.com /install.htm (108 words)

	Preforms (Site not responding. Last check: 2007-10-12)
		By developing a highly specialized application, PREFORMS (Preform Engineering using Forward and REverse Modeling and Simulations), new and improved preform sahpes can be designed with ease.
		PREFORMS is capable of both forward and backward material deformation simulations using the righid-viscoplastic finite element method to model two dimensional forging processes.
		PREFORMS is capable of simulating three types of problems.
	www.cs.wright.edu /people/faculty/rgrandhi/preforms.htm (198 words)

	[No title]
		The unique vertical design of the 2600 Preform Analyzer gives fiber manufacturers the ability to fully automate preform positioning, facilitating rapid and comprehensive characterization of preform structure.
		From the acquired index profile data, the 2600 calculates preform geometry metrics such as core diameter, preform outside diameter, and concentricity.
		The 2600 is particularly well-suited for manufacturing processes that produce large diameter preforms.
	www.pkinetics.com /products/productdetail.aspx?model=2600 (188 words)

	Fiber Optic Preform Inspection Software
		The Ircon Preform Inspection System is the first thermal imaging system designed specifically for the manufacturers of fiber optics filaments.
		The Ircon Preform Inspection System is used during the initial stages of fiber optics manufacturing where a hollow glass preform is heated on a rotating lathe.
		In this application, controlling the temperature as well as the diameter of the preform are both extremely critical.
	www.ircon.com /web/prod/fo_preform.php (400 words)

	IngentaConnect Iterative preform design technique by tracing the material flow a... (Site not responding. Last check: 2007-10-12)
		In the finite element analysis of a hot forging process, it is difficult to design an optimal preform because of highly nonlinear characteristics of design variables.
		In this paper, a new preform design method which can reduce the forming load and the die wear by removing the flash is developed and applied to the pre form design of a piston.
		The proposed preform design technique is simple enough to apply to general hot forging problems involving excessive flash.
	www.ingentaconnect.com /content/mcb/182/2006/00000023/00000001/art00002 (459 words)

	Wentworth PET Preform Molds (Site not responding. Last check: 2007-10-12)
		Electra Form, a member of the Wentworth Technologies group of companies, is your best value in PET preform molds, with innovative technologies, fast delivery, short lead times, and competitive pricing.
		Electra Form's experience in preform molds goes back to the beginning of the PET bottle business.
		EFI provides complete retrofit components for new preform designs in existing molds for best value in mold investment.
	www.electraform.com (237 words)

	World of Warcraft Addons: Preform AV Enabler \| World of Warcraft @ Curse (Site not responding. Last check: 2007-10-12)
		Preform AV Enabler allows the group/raid leader to queue everybody for (first available) AV simultaneously with a button press.
		In addition, the group/raid leader can also force members with the addon installed to either leave the queue or join the majority's AV.
		So yes, Preform AV Enabler is my intellectual property.
	wow.curse-gaming.com /en/files/details/5418/preform-av-enabler (927 words)

	Ultra Thin Solder Preforms...PREFORM EXPRESS (678) 393-8580
		Thin is In You can have preforms this thin:.00015" +/-.00003", thanks to a unique patented manufacturing process.
		As a result, the solder material is not forced from under the die; the solder flow stops at all edges with the right size Ultra-Thin preform.
		With an ULTRA-THIN solder preform, the solder area is even and slightly larger than the chip.
	www.preformexpress.com /ultrathin.html (296 words)

	PET INJECTION PREFORM MACHINES FOR SALE
		2000 kg, dehumidifier FASTI MSP 10 C from 1994, conveyor belt to the silo, conveyor belt for preforms.
		Preform moulds - oil - 24 gr with core 22gr and 28 gr.
		Preform moulds PCO 28 gr and set of cores 24 gr.
	www.usedcentral.net /en/machinery/PET_INJECTION/petinjection.htm (805 words)

	Preform Technologies Limited - knitted preforms, filter fabrics, technical textiles, industrial textiles, personal ...
		The constraints imposed by closed tool moulding meant that the successful creation of a Preform to a complex specification was something of a challenge.
		The structure has a pore size which prevents snow intake whilst not restricting air flow, and is produced from a fibre which s no susceptible to decay to ensure long life and reliability.
		At Preform Technologies we are able to offer a complete range of specialist services over and above the product areas already mentioned.
	www.preform.net /page2.htm (283 words)

	Inspection System captures images of fiber-optic preforms., Ircon Inc.
		Real-time thermal Images of the fiber optic preform can be captured at speed up to 60 frames per second using Ircon's Stinger thermal imaging camera.
		This image data is sent to the Ircon Preform Software where it can be stored for playback at different speeds, used for online process control, or exported into a database for quality control purposes.
		The Ircon Preform System provides a revolutionary tool for fiber optics manufacturers to more closely examine and control their process.
	news.thomasnet.com /fullstory/8636/3199 (1020 words)

	National Composite Center - NCC's Signature Rapid Fiber Preform Process
		Used to manufacture the high quality preforms critical to successful closed molding processes, the technology is based on the Programmable Powdered Preform Process (P4) created by Owens Corning and integrated at NCC.
		One of the first organizations to make preforms with robots, NCC has refined the technique and advanced the use of robots at its headquarters and manufacturing facility in Kettering, Ohio to develop its unique Rapid Fiber Preform Process.
		Equipped with a two-station P4 preforming cell for the Automotive Composites Consortium (ACC), a single station P4 preforming cell modified for aerospace applications (P4A) and a single station performer (SSP) for commercial applications – NCC has used its Rapid Fiber Preform Process to produce a variety of items with dramatic results.
	epoint1.iserver.net /ncc/rapfibpm.php (357 words)

	Preforms
		Working in conjunction with a major supplier of high-quality preforms, Pressco Technology Inc. has designed and manufactured an inspection system capable of detecting flaws in all critical regions of the preform.
		Coupled directly to the output of a Husky Injection Molding Machine, the new system includes a sophisticated material handling system that enables inspection of every preform at a rate of approximately 24,000 preforms per hour.
		Defective preforms are automatically eliminated from the product stream before they reach the customer.
	www.pressco.com /preforms.htm (238 words)

	preform mould Sellers, Suppliers, Exporters, Manufacturers, Factories (Site not responding. Last check: 2007-10-12)
		Preform Injection Mould from 1 cavity for wide mouth jar and gallon bottle preform up to 48 cavity narrow neck preform mould; Tube blank is designed with the help of computer, which surely contributes to the increa....
		The preforms will be automatically transmitted to the place where....
		1) Preformed mould is designed with the help of computer which surely contributes to the increasing of yield of bottles 2) Using internationally advanced two-step dual taper locating technology.
	www.fuzing.com /qrx/preform_mould (804 words)

	PET Preform Injection Mold, Hot Runner, PET Preform Injection Mould
		Kenplas' PET preform mold assures the customer to produce high-quality PET preforms at high productivity, but with most economical investment, shortest start-up time and lowest maintenance cost.
		Kenplas' PET Preform Injection Mold enjoys a service life over 2.5 million shots, based on scores years' design/manufacture experience, mold making know-how, adoption of CNC machining center, high-precision EDM shaping machine and high precision Jig Boring machine.
		Kenplas Preform Injection Mold adopts Pneumatic Valve-Gate Sealing System to produce gate-free PET preform, which can save much labor and material cost, also reduce the mold's wear and tear extent for customer.
	www.kenplas.com /mold/preformmold (687 words)

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