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CONVERTING DIGITAL IMAGES TO MICROFILM
OVERVIEW
BMI delivers high-resolution bi-tonal and grayscale images (200, 300, 400, and 600 dpi) to federal, state, and local government agencies as well as commercial clients, including healthcare, finance, and legal organizations, utilizing 16mm, 35mm, and 105mm archival microfilm formats. Digital documents are accepted in a wide range of formats—including CD, DVD, magnetic tape, disk storage, and online servers—and are converted into high-quality microimages on film.
QUALITY ASSURANCE
Resolution, optical density, and geometric fidelity are quantitatively assessed using precision test patterns imaged at the leader and trailer of each microfilm roll. BMI's conversion process provides a full-frame image evaluation and facilitates close analysis for data integrity issues, including transcription errors, emulsion voids, surface abrasions, and other latent defects. Subsequently, all developed film is subjected to detailed inspection for visual and structural anomalies using a stereo microscope under controlled light box conditions.
FILM TRANSPORT PROCEDURES
To safeguard the integrity of archival output, BMI enforces stringent quality control protocols and documented process standards throughout the production lifecycle. Manual contact with microfilm is conducted exclusively using lint-free, non-abrasive gloves to eliminate the risk of contamination from oils or particulates. Processed archival microfilm is securely wound onto preservation-grade plastic reels and enclosed within chemically stable, acid-free containers or inert plastic housings, ensuring compliance with industry archival storage standards.
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