We can sell it at AS IS condition or refurbished condition. 00. It comes with highly efficient HEPA filtration and Water Filtration Technology. Add to Cart Buy Now. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520i on Moov's marketplace. Equipment Make: Lam. 50/Count) Save more with Subscribe & Save. or Best Offer. used. 1,000s of verified listings, new tools added daily. Lam Research 853-012200-002-G-2305 Gate Valve Drive 4428b Rainbow Used Working: 1371: Lam Research 853-012350-002-F-2035 Outer Gate Assembly Rev. LAM Research Legacy Etcher refurbisher and service provider. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4420 on Moov's marketplace. Model. Wafer Size: 8 inch. Livingston, United Kingdom. 1,000s of verified listings, new tools added daily. Install type: Bulkhead Mount configurationASSY UPPER MATCH, 4520XL OXD R/B 853-140218-003 WITH 853-140389-001 - Supplier: LAM Original packaged Material number: 853-140218-003 Condition code: USEDLam -Rainbow 4520 XL -Oxide Etcher -67129; Lam Rainbow 4520 XL Oxide Etcher Asset # : 67129. The Rainbow product series incorporates a number of unique features that offer semiconductor manufacturers improved etch capability, reliability, and performance. Providing Lam Research users with an alternative to quality refurbished legacy products. Yongin-si, South Korea. Send us your request to buy a used LAM Alliance A6 Oxide 4520XL. LAM RESEARCH. * Belt driven load station. Tran-Quinn, T. RAINBOW RECEIVE. -Canada Bridge, Hochul Says. 1,000s of verified listings, new tools added daily. 1,000s of verified listings, new tools added daily. See Similar Listings. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520 on Moov's marketplace. Rainbow® 4520 Etch Applications Contact etch Planarization Via etch Trench mask etch Pad etch The Rainbow® 4520 Standalone system is a single wafer, vacuum load-locked low pressure oxide system for etching 0. Oxide Etcher, 6" Software: Envision Indexers: Hine Generators: ENI GenesisS, MWM-25-02 Fuse panel Osaka TS443 turbo Gas box: Ar Unit 1661Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4420 on Moov's marketplace. LAM 853-140218-003 4520XL Match Assy. . Filters. 1,000s of verified listings, new tools added daily. 1 4520XL/9400/XL. The dealer's latest update {{ GetUpdateBefore('1/10/2018 1:20:00 PM') }} Click to view phone number; Click to view seller’s site; Used equipment for sale by NHEC (8) USA; More about this sellerBoil water on the stove in a pan. This system features a low This Document is For Reference Only LAM 4520 OXIDE ETCH PM 030111. With enhanced accuracy and repeatability, it can handle temperatures up to 550ºC and pressure ranges up to 50 mbar. STL IT·컴퓨터. ESCT. Lam Research 4520XL back on market. Categories: Semi & SMT/PCB, Etchers. Turbo Pump: Yes. 1,000s of verified listings, new tools added daily. Model. US, Canadian Cities Heighten Security. 1,000s of verified listings, new tools added daily. The LRC Rainbow Etchers are fully automated, in-line, single-wafer plasma/RIE etching systems that processes 6-inch, or 8-inch wafers and features top or/and bottom powered electrode plate, programmable electrode spacing, and automatic noncontact wafer alignment and placement. Contact: [email protected] RESEARCH 4520 XL is an advanced etcher and asher equipped with high-precision control systems and variable-frequency power supplies, capable of repeatable processing of a wide range of microelectronic materials with no wafer breakage and high throughput. United States. . 2 days ago · Niagara border crossings closed after explosion at Rainbow Bridge connecting New York-Ontario. LAM RESEARCH RAINBOW 4520XL ETCHER - OXIDE available for Sale by SDI Group. 1,000s of verified listings, new tools added daily. Make Offer. 4420XL, 4520XL and 4720XL series Exelan, ExelanHPT 9400 and 9600 Microwave Strip. Year(s) :-Quantity : 1. We’re accountable for every transaction — CAE will seek to collect as much information as you require to ensure that you receive the equipment in the condition that you are expecting. 25 mm per year on either steel or aluminium surfaces at 55 °C. Ownership and use of this claim is overseen by the Bureau of Land Management's Lower Sonoran Field Office under the serial number AMC241145. SDI fabsurplus. Clear All. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520 on Moov's marketplace. Does the 63XL cartridge fit the HP 4520 printer? – Learn about HP - 63XL High-Yield Ink Cartridge - Black with 7 Answers – Best BuyBuy or sell a used LAM RESEARCH CORPORATION RAINBOW 4420 on Moov's marketplace. Drizzle with 1-2 tablespoons truffle oil. 1,000s of verified listings, new tools added daily. Lam Research 4520XL back on market. LAM RESEARCH. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4420XL on Moov's marketplace. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4420 on Moov's marketplace. The Rainbow 4520 etcher comes with Envision operator interface. OEM-Approved Vendor for Refurbished Semiconductor Tools. Included: Unit UFC-1200A Range 200 SCCM Gas: CF Unit UFC-1200 Range: 100 SCCM Gas: CHF3 Unit UFC-1200A Range: 50 SCCM Gas: O2 Unit UF. It contains 6 bedrooms and 4 bathrooms. Location: Asia. Other machines similar to LAM Rainbow 4520. Send us your request to buy a used LAM A6: 44XX, 4520XL, 47XX, 94XX, 96XX and we. 1,000s of verified listings, new tools added daily. 00. LAM RESEARCH 4520 XL is an etch/ash equipment which is used for advanced dielectric etching and superficial-level wafer cleaning. house located at 3945 Rainbow St, Victoria, BC V8X 2A3 sold for $265,000 on Jan 29, 2004. Specialized in LAM Alliance. No part of this document may be reproduced in any form for any purpose without the prior written permission of Lam Research Corporation. OEM Group, Inc. LAM Rainbow 4520 Etch Equipment, Oxide Etch System available for Sale by SDI Group. PCB, KIT, GAP BRKOUT 4520XL, GF. 3 out of 5 stars 148 $59. * Upgraded load station laminar flow. LAM RESEARCH Rainbow 4520B is an advanced single-wafer etcher and asher designed to deliver high-volume production of advanced semiconductor devices with superior results, compliant with DEMO and OMI-2 process conditioning systems, featuring a low-noise RF package, a high-powered ion source, a low-particulate environment and two inductively. Plasmatherm 790:. com. Vintage Rainbow Vacuum D4C Motor Unit Tank Dolly Attachments SEE DESCR Free Ship. Categories. 30 day parts warranty on all new parts. Phone: (419) 558-7026. Etcher, 6" ESC RF Generator and match: 2 MHz / 27 MHz OSAKA HGP TS443 Pump End point detector:. Vintage: Condition: Used. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520i on Moov's marketplace. Vintage: 1998. . 95. Wafer Size: 6" Equipment Configuration: - 2MHz/27MHz - Orbital Gas Box - Osaka HGP TS443 - ESC, MFCs, manometers not included. TCU Supply: N/A: Remote User Cable Length: Software: Author: les. Available 0 times. G 4420 Rainbow Used: 1374 Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520XL on Moov's marketplace. Gerhart Machinery Co. The etcher/asher is equipped with a hydrogen-based plasma generator and is capable of performing oxygen-based etching or ash operations. com The Rainbow 4520 is a fully automated, single-wafer plasma Silicon Dioxide Etching system that processes 4-, 5-, 6-, or 8-inch wafers and features top powered electrode plate, programmable electrode spacing, and automatic wafer alignment and placement. It also includes a range of safety features and on-site sequence editor and monitor. The Rainbow series incorporates unique features that offer improved etch capability, reliability, and performance, including a patented wafer handling system, a proprietary source for generating stable plasma, and an overall product design that has received industry awards for quality and reliability. 18. 5 µm contact holes and above at aspect ratios of <4:1. [5] According to several law enforcement sources,. View sales history, tax history, home value estimates,. The Rainbow 4520XL etcher includes the above listed features, plus, a high efficiency. Manufacturer. Y. Search for used research match. used. 160 County Road 979 Royse City, Texas 75189. This paper discusses the specific differences between the 4520XL and the 4520 as pertaining to CD control, uniformity, RIE lag and selectivity. 1,000s of verified listings, new tools added daily. Rainbow®. Click here to search for more FAB Dry Etch items; Similar items that may be of interest: Lam. * Bulkhead system mount. 9600. General Description. 1,000s of verified listings, new tools added daily. 9600. LAM RESEARCH CORPORATION RAINBOW 4520XL Etchers & Ashers. LAM RESEARCH Rainbow 4520 XL ETCHERS / ASHERS for sale (used, price) > buy from CAE LAM RESEARCH / ONTRAK Rainbow 4520 XL is a state-of-the-art process tool that offers high-precision materials processing with advanced features and a wide range of selectable chemistries. Lam Rainbow 4520XL Lam/ R4520 Oxide. Send us your request to buy a used LAM 4520XL Alliance A6 and we will contact you with matches. Last Verified Over 60 days ago. Type: Oxide Etcher. I then placed a. Filters. Authorities are using drones to get an overview of the area of impact on the Rainbow Bridge to determine what happened at the explosion point, a law enforcement. Etchers / Ashers. Esquimalt homes for sale. 1,000s of verified listings, new tools added daily. We similarly appreciate that dissimilar persons are observing who buys used rainbow vacuum cleaners. Rainbows caused by sunlight always appear in the section of sky directly. Vintage: Condition: Used. 18 micron Acc. Search for used 4520. Read more. $7. 1,000s of verified listings, new tools added daily. The problems with the current 4520 35MIL and 50MIL dome bottom electrode are also discussed. Condition: It was Complete, working. Buy. 1: Lam Rainbow 4728: March PX-250 Plasma Asher Etcher: Matrix 302: Matrix 303 Oxford Plasmalab System 133-SN-417718: Oxford Plasmalab System 133 SN-417728: Oxford Plasmalab System 100-SN417795: Plasma Etch BT1: Plasma Etch PE-100 Series: Plasma Therm 700: Plasma Therm 790 RIE. All Parts and Products. * Bulkhead system mount. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520XL on Moov's marketplace. used. 4 billion dry etch market. Sales of etch tools capable of addressing 0. 1,000s of verified listings, new tools added daily. com. Livingston, United Kingdom. | 1996. Additionally, LAM RESEARCH 4520XL is capable of processing multiple wafers simultaneously, making it perfect for high-volume production applications. 31 shipping. 1,000s of verified listings, new tools added daily. Search for used lam 4520. Read honest and unbiased product reviews from our users. Built for protection and designed for comfort, this protective gear features breathable back panels and an anatomical fit for enhanced wear, coverage, and comfort while working. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520XL on Moov's marketplace. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4470 on Moov's marketplace. LAM equipment refurbishment, parts / part refurbishment, service, support. Location: Asia. 1,000s of verified listings, new tools added daily. / IEEE; SEMI et. docx 1 VACUUM CHAMBER PM TECHNIQUE LAM 4520 Oxide ETCH Chamber OBJECTIVE: TO EFFECTIVELY PM THE LAM 4520 OXIDE ETCH CHAMBER IN A TIMELY MANNER, WHILE Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520XL on Moov's marketplace. Condition: It was Complete, working. 4520I, 4520XL, 4520XLe, 9600, 9400, 9400PTX. ft. Please check here to see which original OEM part numbers have been replaced. 1,000s of verified listings, new tools added daily. Make Offer. Software: A1. LAM RESEARCH 4520 XL is a high-performance etcher and asher designed for all aspects of semiconductor fabrication, with a compact footprint, extended chamber design, digital imaging system, advanced gas delivery technology and automated wafer handler, as well as safety features like pressure wand and nitrogen interlock. 5 bathrooms. Plasmatherm 790:. Created with Sketch. Only part missing are. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520 on Moov's marketplace. 1,000s of verified listings, new tools added daily. 1:Lam Rainbow 4520XL Lam/ R4520 Oxide. LAM 4520XL available for Sale by SDI Group. Location : AMERICA North (USA-Canada-Mexico) 8. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4420 on Moov's marketplace. LAM RESEARCH CORPORATION RAINBOW 4520XL. Providing Lam Research users with an alternative to quality refurbished legacy products. * Hine 38A open cassette Send indexer. 1-888-SEMIGROUP 3235 Halifax Street Dallas, TX 75247. 22, 2023, in Niagara Falls, N. The Rainbow product line includes the 4400, 4500, 4600, and 4700 series for etching polysilicon, oxide, aluminum, and tungsten films. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520i on Moov's marketplace. 99. Location: Asia. Linux serial program. This stainless steel wand tube is a genuine Rainbow E Series E2 Type 12 accessory. 4520XL EAN: 4046719401130. 1,000s of verified listings, new tools added daily. Qualify LRS Ceramics and you will never look back at the OEM! Rainbow ® and Alliance ® Systems. are closed after an explosion on the American side on the Rainbow Bridge, an official says. The Rainbow 4520XL etcher includes the above listed features, plus, a high efficiency. 1,000s of verified listings, new tools added daily. Click to Request Price. Vintage: Feb 26, 1996. 1,000s of verified listings, new tools added daily. 1,000s of verified listings, new tools added daily. 5. 685-096202-002-REP. LAM RESEARCH Rainbow 4520 XL is an advanced etcher/asher that provides industry-leading performance for etching high-aspect ratio trenches, ultra. We’re accountable for every transaction — CAE will seek to collect as much information as you require to ensure that you receive the equipment in the condition that you are expecting. 35 micron. Ichor's technical expertise and rigorous processes provide the Ichor Advantage for highest quality and lowest risk to meet and exceed customers' expectations. 5. Lam Refurb Specialists LLC. LAM RESEARCH CORPORATION RAINBOW 4520XL Etchers & Ashers. Lam Rainbow 4420 E ver1. Click here to search for more FAB Dry Etch items; Similar items that may be of interest: Lam Research 853-011168-002 Rev C Surge Protector, Gap Drive Motor Assy Lam Research 853-011168-002 Rev C . 1,000s of verified listings, new tools added daily. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520 on Moov's marketplace. RAINBOW #4520 is a closed mining claim in Maricopa, Arizona. Here is the list in detail. 1,000s of verified listings, new tools added daily. 1,000s of verified listings, new tools added daily. 1,000s of verified listings, new tools added daily. Etcher, 6" ESC RF Generator and match: 2 MHz / 27 MHz OSAKA HGP TS443 Pump End point detector: Monochromator Orbital gas box Load lock system. This system features a low pressure main chamber for anisotropic etching of dielectric filmsThis Document is For Reference Only LAM 4520 OXIDE ETCH CHAMBER PM PROCEDURE (CONT’D): LAM 4520 OXIDE ETCH PM 030111. Thursday, US Customs and Border Protection said. Additional information . 8 billion by the year 2000. Lam Research Rainbow 4520 Etch The Lam Research Rainbow 4520 Standalone System is a single wafer, vacuum load-locked low pressure oxide etch system for etching 0. inch wafers and features top powered electrode plate, programmable electrode spacing, and automatic wafer. This system features a low pressure main chamber for. S. an interactive archive of historically significant periodicals from PennsylvaniaBuy or sell a used LAM RESEARCH CORPORATION RAINBOW 4420 on Moov's marketplace. Used LAM RESEARCH Rainbow 4520 XL #293640389 for sale. 1,000s of verified listings, new tools added daily. PUMPs IPX BOC x2. 1,000s of verified listings, new tools added daily. LAM RESEARCH Rainbow 4520 features a 42" by 56. Chemical Safety's SDS database is a free and unrestricted service. The DS4520 offers users a digitally programmable alternative to hardware jumpers and mechanical switches that are being used to control digital logic nodes. Your payment information is processed securely. 9600. Refurbishing equipment to OEM standards takes time, typically 12-14 weeks for the finished product. List of 4520XL equipment available for sale at fabsurplus. 1,000s of verified listings, new tools added daily. 1,000s of verified listings, new tools added daily. A colorful rainbow and ring-billed gull. Qualify LRS Ceramics and you will never look back at the OEM! Rainbow ® and Alliance ® Systems. print version 186 Cycle Time Improvement in Manufacturing Nitrided Gate Oxides for ULSI CMOS Applications. XXL . Product Information. Last Verified Over 60 days ago. Speed up your Search . 5. ft. Lititz, Pennsylvania 17543. We do not store credit card details nor have access to your credit card information. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520i on Moov's marketplace. Vintage: Condition: Used. The Lam Research Rainbow 4520 Standalone System is a single wafer, vacuum load-locked low pressure oxide etch system for etching 0. 1,000s of verified listings, new tools added daily. Three of the bridges reopened later Wednesday, but Rainbow Bridge remained closed overnight. 5 baths, 2894 sq. High Yield H625 S2825 Toner Cartridge Set for Dell H825 H625cdw H825cdw S2825cdn. 4015 Rainbow St is a 3,070 square foot house on a 5,215 square foot lot with 4 bedrooms and 3. Confidential Serial Number: 2550 Erogonomic Loaders Asset Number Find the best deals on used LAM 4520XL Alliance A6, or send us a request for an item and we will contact you with matches available for sale. F 4428b Rainbow Used:. 1,000s of verified listings, new tools added daily. Lam Research 4520 RAINBOW GAS PANEL. Have one to sell? Submit for sale. Etchers / Ashers. Add to Cart Check this box to see your Sale Price. Filters. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520 on Moov's marketplace. We did not test it. It is designed to precisely and accurately etch and asher critical components. Please click on the "Get Quote" button at the end of the RAINBOW 4520 description, if you'd like to get a quotation, photos and specifications of this Dry Etcher, and your request for this equipment will be forwarded to our SDI sales. 1,000s of verified listings, new tools added daily. The Rainbow 4520 is a fully automated, single-wafer plasma Silicon Dioxide Etching system that processes 4-, 5-, 6-, or 8-inch wafers and features top powered electrode plate, programmable electrode spacing, and automatic wafer alignment and placement. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520I on Moov's marketplace. PCB, KIT, GAP BRKOUT 4520XL, GF OEM: LAM Original Packaged Material number: 857-210728-001 Condition code: NEW OEM96. . Checking availability. Rapid Manufacturing's RM0002 is an assy, ca, rf gen, upr, 4520xl. ) called out several prominent Republicans for spreading misinformation about Wednesday’s car crash on the Rainbow Bridge near Niagara Falls. BartsParts offers a wide range of original and new John Deere spare parts for agricultural, greencare and material handling equipment. Summary for ony given, as follows. 1: Lam Rainbow 4728: March PX-250 Plasma Asher Etcher: Matrix 302: Matrix 303 Oxford Plasmalab System 133-SN-417718: Oxford Plasmalab System 133 SN-417728: Oxford Plasmalab System 100-SN417795: Plasma Etch BT1: Plasma Etch PE-100 Series: Plasma Therm 700: Plasma Therm 790 RIE. 1,000s of verified listings, new tools added daily. Dry Pump $ 0. The information contained in this document is proprietary to OEM GrOup Inc. 1,000s of verified listings, new tools added daily. LAM RESEARCH / ONTRAK Rainbow 4520 XL is an advanced etcher/asher designed for high-volume, low-cost production of micro-electrical components and other micromachined materials, featuring a two-chamber process dialled in by a computer control system for precise etching and rapid thermal annealing. Buy from CAE - global physical commodity trader addressing the semiconductor market – initially focused on silicon, CAE considers transactions in any physical asset utilized by a. 1,000s of verified listings, new tools added daily. The following are the items available for sale related to 4520XL at SDI fabsurplus. Manufacturer: Lam Research - Novellus. . Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4420 on Moov's marketplace. LAM RESEARCH CORPORATION RAINBOW 4520XL Etchers & Ashers. 200+ bought in past month. 4520I, 4520XL, 4520XLe, 9600, 9400, 9400PTX. Description of Lam Research 4520XL. Gas Panel for LAM Research 4520 Rainbow Includes: Valves and MFCs. This paper discusses the specific differences between the 4520XL and the 4520 as pertaining to CD control, uniformity, RIE lag and selectivity. $12. LAM RESEARCH CORPORATION RAINBOW 4520XL Etchers & Ashers. It is the most powerful bagless vacuum on the market. 1,000s of verified listings, new tools added daily. 853-025083-002 | LAM Research RF Mini-Match. Helps protect your workers from certain light liquid splashes and hazardous dust while enhancing their movement and comfort. used. LAM RESEARCH 4520 XL is an advanced etcher/asher tool designed for higher volume production processing with a robust architecture, large process chamber and a range of features to ensure high uniformity and superior flexibility for various applications. TM-compatible serial interface. Metchosin homes for sale. See sales history and home details for 1420 Rainbow Ave, West Palm Beach, FL 33406, a 6 bed, 4 bath, 2,415 Sq. Valid Time: Subject to prior sale without notice The Rainbow 4520XL is part of Lam Research’s Rainbow series of etch systems, introduced in 1987. Location: Asia. 18 micron Acc. 5. Etchers. 5. Find many great new & used options and get the best deals for Lam Research Rainbow 4520 ISO TCP Paddle Lifter Assembly 853-032776-605 at the best online prices at eBay! Free shipping for many products!. Property type3M - EINWEG OVERALL 3M BASIC XL (Partnr: 3M-4520XL, 4520XL). The rainbow takes the form of a multicoloured circular arc. Popular Product. Lam Research 853-495477-001 Rev B Cable. 4520, 4520XL, Excelan. The Rainbow 4520 is a state-of-the-art Silicon Dioxide Etching system that is fully automated and capable of processing wafers of various sizes, including 4-, 5-, 6-, and 8-inch wafers. Stair Stepper for Exercise, Step Machine W/ Display, Handrail & Resistance Band. With enhanced accuracy and repeatability, it can handle temperatures up to 550ºC and pressure ranges up to 50 mbar. Shipping: Free Shipping. Valid Time: Subject to prior sale without notice Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4420XL on Moov's marketplace. The Rainbow 4520XL etcher includes the above listed features, plus, a high efficiency magnetically levitated turbo pump. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520XL on Moov's marketplace. 4428,LAM 4500,Lam 4520 Alliance,Lam 4520 Rainbow,Lam 4520XL,LAM. com. Compare 30 million ads · Find Rainbow. USD ($) USD - United. What's the housing market like in West Kansas City? 2 beds, 1 bath, 1295 sq. 1,000s of verified listings, new tools added daily. Roundabout persons are on a normal budget and. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4520 on Moov's marketplace. 1,000s of verified listings, new tools added daily. We reviewed all publications dealing with a. 1: Lam Rainbow 4728: March PX-250 Plasma Asher Etcher: Matrix 302: Matrix 303 Oxford Plasmalab System 133-SN-417718: Oxford Plasmalab System 133 SN-417728: Oxford Plasmalab System 100-SN417795: Plasma Etch BT1: Plasma Etch PE-100 Series: Plasma Therm 700: Plasma Therm 790 RIE. 4520. OEM: Lam Research. The kit is easy to incorporate (plug-and-play) into the original Lam Research Lam Rainbow Etch systems. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4420 on Moov's marketplace. View Details. Lam Rainbow 4520 Oxide Etch Configurator. 5um Contact holes at aspect ratios of <4:1. 5um Contact holes at aspect ratios of <4:1. 1. Systems tested to OEM standards. Huge savings on quality reconditioned Rainbow vacuums! Rated A+ with the BBB nationwide. visit our website. Buy or sell a used LAM RESEARCH CORPORATION RAINBOW 4420 on Moov's marketplace.